A support device for foundation pit construction and a method of using the same

Abstract

The present invention discloses a support device for foundation pit construction and a method for using the same. The device includes a mounting assembly installed on the ground, a support mechanism installed on the mounting assembly, and a protective assembly installed inside the foundation pit, wherein the mounting assembly includes a mounting plate and a mounting seat welded and fixedly connected to the mounting plate; the support mechanism includes a driving member fixedly connected to the mounting seat, a moving block fixedly connected to the driving member, a supporting platform fixedly connected to the moving block, a guide roller fixedly connected to the supporting platform, a mounting frame fixedly connected to the supporting platform, and a steel beam slidably connected to the mounting frame; the protective assembly includes a retaining plate fixedly connected to the inner wall of the foundation pit, a protective pile fixedly connected to the bottom of the retaining plate, and a support beam fixedly connected to the bottom of the steel beam. The present invention solves the problem that the existing foundation pit construction support platform cannot be moved, so that mechanical equipment cannot completely construct the inside of the foundation pit, causing construction troubles and low construction efficiency.

Description

Technical Field

[0001] The embodiments of the present invention belong to the technical field of foundation pits, and more specifically, to a supporting device for foundation pit construction and a method of using the same. Background Art

[0002] In recent years, with the rise of high-rise buildings and the development and utilization of urban underground space, the depth of foundation pits has become deeper and deeper, especially a large number of foundation pits are excavated in densely built areas. When excavating foundation pits, the side walls of the foundation pits are prone to deformation or even collapse under stress. Therefore, a retaining structure is generally set up on the side walls of the foundation pits. When construction is carried out inside the foundation pit, in order to prevent mechanical equipment from damaging or colliding with the foundation pit retaining structure during operation, a support platform is required to withstand mechanical equipment. The foundation pit support project must not only ensure the safety of the entire support structure during construction, but also control the deformation of the support structure and its surrounding soil to ensure the safety of the surrounding environment. It can be seen that the support technology of the foundation pit is becoming more and more important.

[0003] Most of the existing support platforms require temporary welding and assembly equipment and cannot be moved a long distance. However, due to the large area of ​​the foundation pit, some locations in the foundation pit cannot be constructed, and a large amount of manual labor is required to rebuild the support platform at the location where construction is not possible, which will also cause a waste of materials for assembling the support platform and cause immeasurable losses.

[0004] Therefore, there is an urgent need for an economical, safe, movable and efficient foundation pit support device that eliminates the need for temporary construction during construction. It can not only move freely so that mechanical equipment can fully construct the interior of the foundation pit, but also prevent the surrounding soil from deforming and collapsing. Summary of the invention

[0005] In view of the above defects or improvement needs of the prior art, the present invention provides a support device for foundation pit construction and a method of using the same, wherein a mounting plate is fixed on the ground, a mounting seat is fixed on the mounting plate, and a movable support mechanism with a driving member is fixedly connected to the mounting seat. When the construction position needs to be moved, the driving member on the support mechanism is opened to push the moving block to start moving, and further push the support platform to start moving. At the same time, the guide roller moves on the mounting seat, and the mounting frame also moves on the steel beam with the support platform, so that the mechanical equipment reaches the designated position and starts construction in the foundation pit. In addition, a retaining assembly is arranged inside the foundation pit to support and protect the inner wall of the foundation pit, which solves the problems that the existing foundation pit construction support platform needs to be temporarily welded and assembled with equipment, resulting in material waste, and the support platform cannot be moved, so that the mechanical equipment cannot completely perform construction inside the foundation pit, resulting in construction troubles and low construction efficiency.

[0006] In order to achieve the above-mentioned object, according to one aspect of the present invention, there is provided a support device for foundation pit construction, comprising: a mounting assembly mounted on the ground, a support mechanism mounted on the mounting assembly, and a enclosure assembly mounted inside the foundation pit, wherein:

[0007] The mounting assembly comprises a mounting plate and a mounting seat fixedly connected to the mounting plate by welding;

[0008] The support mechanism includes a driving member fixedly connected to the mounting seat, a moving block fixedly connected to the driving member, a supporting platform fixedly connected to the moving block, a guide roller fixedly connected to the supporting platform, a mounting frame fixedly connected to the supporting platform, and a steel beam slidably connected under the mounting frame;

[0009] The mounting seat is symmetrically provided with two roller grooves parallel to each other, the roller grooves can accommodate the guide rollers, and the guide rollers can slide along the roller grooves; positioning grooves are provided on both sides of the mounting seat;

[0010] The enclosure assembly includes a retaining plate fixedly connected to the inner wall of the foundation pit, a retaining pile fixedly connected to the bottom of the retaining plate, and a support beam fixedly connected under the steel beam.

[0011] As a further preference, the driving member may be any one of a cylinder, an electric push rod, a hydraulic cylinder and a screw.

[0012] As a further preference, one end of the moving block is fixedly connected to the output end of the driving member, and the other end of the moving block is fixedly connected to the support platform; and a limited angle steel is welded to one end of the support platform away from the moving block.

[0013] As a further preferred embodiment, the guide roller is fixedly connected to a side of the support platform close to the mounting seat, a positioning shaft is fixedly connected to the guide roller, the positioning shaft passes through the positioning grooves on both sides of the mounting seat, and both ends of the positioning shaft are fixedly connected to positioning blocks by bolts.

[0014] As a further preferred embodiment, the mounting frame is fixedly connected to one end of the support platform away from the driving member, the lower end of the mounting frame is fixedly connected to a slider, and the slider is slidably connected to the steel beam; the steel beam is arranged in the foundation pit, and the two ends of the steel beam are fixedly connected to the retaining board; a slide groove is provided on the steel beam.

[0015] As a further preference, the slider can be accommodated in the slide groove and can slide along the slide groove; the number of the sliders, the slide grooves and the support beams is equal.

[0016] As a further preference, one end of the retaining pile is fixedly connected to the lower end of the retaining plate, and the other end of the retaining pile is fixedly connected to the ground of the foundation pit.

[0017] As a further preferred embodiment, one end of the support beam is fixedly connected to the steel beam, and the other end is fixedly connected to the foundation pit ground through a support pile; and pairs of symmetrically arranged inclined cables are welded between the support beam and the steel beam.

[0018] As a further preferred embodiment, a plurality of fixing holes are provided on the mounting plate, fixing piles are welded at the fixing holes, and the fixing piles are used to fix the mounting plate to the ground.

[0019] According to another aspect of the present invention, there is provided a method for using the support device for foundation pit construction, comprising the following steps:

[0020] S100: placing the device outside the foundation pit, fixing the mounting plate on the ground, and thus fixing the entire device on the bottom surface;

[0021] S200: The required construction equipment is transported to the support platform by a tower crane or by moving it, and then the construction in the foundation pit is started. When the construction position needs to be moved, the driving member on the support assembly is turned on, and the driving member pushes the moving block to start moving, and then the support platform starts moving;

[0022] S300: The guide roller moves on the mounting seat, and the mounting frame also moves on the steel beam along with the support platform, so that the mechanical equipment reaches the designated position and starts construction in the foundation pit again;

[0023] S400: In this way, all construction work in the foundation pit can be completed step by step.

[0024] In general, the above technical solutions conceived by the present invention can achieve the following beneficial effects compared with the prior art:

[0025] (1) A support device for foundation pit construction of the present invention comprises a mounting plate of an installation assembly fixed on the ground, a mounting seat fixed on the mounting plate, and a support mechanism with a driving member and movable on the mounting seat. When the construction position needs to be moved, the driving member on the support mechanism is turned on to push the moving block to start moving, and further push the support platform to start moving. At the same time, the guide roller moves on the mounting seat, and the mounting frame also moves on the steel beam with the support platform, so that the mechanical equipment reaches the designated position and starts construction in the foundation pit. The present invention can avoid the unnecessary construction of a support platform, and also enables the mechanical equipment to carry out construction in the foundation pit in an all-round way, thereby reducing the waste of manual labor and materials for building the support platform, and solves the problems that the existing foundation pit construction support platform needs to be temporarily welded and assembled with equipment, resulting in material waste, and the support platform cannot be moved, so that the mechanical equipment cannot completely carry out construction in the foundation pit, resulting in construction trouble and low construction efficiency.

[0026] (2) The present invention provides a support device for foundation pit construction, wherein a retaining assembly is arranged inside the foundation pit to support and protect the inner wall of the foundation pit. Specifically, a retaining plate is arranged on the inner wall of the foundation pit, and retaining piles are arranged at the lower end of the retaining plate. The retaining piles are fixedly connected to the ground of the foundation pit. In this way, the inner wall of the foundation pit is well protected, and construction interruption caused by construction collapse that affects construction efficiency is prevented. The device has high practicality.

[0027] (3) In a support device for foundation pit construction of the present invention, a limiting angle steel is welded and fixedly connected to the end of the support platform away from the moving block, thereby preventing mechanical equipment and objects located on the support platform from falling into the foundation pit and causing unnecessary losses.

[0028] (4) In a supporting device for foundation pit construction of the present invention, positioning blocks are fixedly connected by bolts at both ends of the positioning shaft, which can limit the movable position of the guide roller and prevent the guide roller from falling off the mounting seat.

[0029] (5) A support device for foundation pit construction of the present invention improves the stability between the support beam and the steel beam by fixing a stay cable between the support beam and the steel beam, thereby enabling the overall structure to be stably supported inside the foundation pit.

[0030] (6) The present invention provides a support device for foundation pit construction and a method of using the same. When in use, the device is carried to a support platform by a tower crane or by transporting the device to the support platform, and then construction in the foundation pit is started. When the construction location needs to be moved, the driving member on the support assembly is turned on, and the driving member pushes the moving block to start moving, and then the support platform starts to move; at the same time, the guide roller moves on the mounting seat, and the mounting frame also moves on the steel beam with the support platform, so that the mechanical equipment reaches the designated position, and thus all construction in the foundation pit is gradually completed. The construction is safe, the equipment is movable, and the efficiency of foundation pit construction is greatly improved, which is very innovative. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a schematic diagram of the overall structure of a support device for foundation pit construction according to an embodiment of the present invention;

[0032] Figure 2 This is a schematic structural diagram of a support mechanism and a protective enclosure assembly of a support device for foundation pit construction according to an embodiment of the present invention;

[0033] Figure 3 This is a schematic diagram of the exploded structure of a support mechanism of a support device for foundation pit construction according to an embodiment of the present invention;

[0034] Figure 4 A supporting device for foundation pit construction according to an embodiment of the present invention Figure 3 A magnified image of point A;

[0035] Figure 5 The present invention is a schematic diagram of the structure of a protective covering assembly of a supporting device for foundation pit construction according to an embodiment of the present invention.

[0036] In all the drawings, the same reference numerals represent the same technical features, specifically: 100-installation assembly; 110-installation plate; 111-fixed pile; 120-mounting seat; 121-roller groove; 122-positioning groove; 200-support mechanism; 210-driving member; 220-moving block; 230-support platform; 231-limiting angle steel; 240-guide roller; 241-positioning shaft; 2411-positioning block; 250-mounting frame; 251-slider; 260-steel beam; 261-slide; 300-enclosure assembly; 310-retaining board; 320-enclosure pile; 330-support beam; 331-inclined cable, 332-support pile. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0038] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "lower end", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0039] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0041] like Figure 1-5As shown, the present invention provides a support device for foundation pit construction and a method of using the same, including a mounting assembly 100 mounted on the ground, a support mechanism 200 mounted on the mounting assembly 100, and a containment assembly 300 installed inside the foundation pit. The mounting assembly 100 includes a mounting plate 110 and a mounting seat 120 welded and fixedly connected to the mounting plate 110; the mounting assembly 100 is mainly used to install and fix the support mechanism 200; the support mechanism 200 includes a driving member 210 fixedly connected to the mounting seat 120, a moving block 220 fixedly connected to the driving member 210, a support platform 230 fixedly connected to the moving block 220, a guide roller 240 fixedly connected to the support platform 230, a mounting frame 250 fixedly connected to the end of the support platform 230 away from the driving member 210, and a steel beam 260 slidably connected to the mounting frame 250. The support mechanism 200 is mainly used to support mechanical equipment to make the construction inside the foundation pit more convenient and efficient. The present invention fixes a mounting plate on the ground, fixes a mounting seat on the mounting plate, and fixes a movable supporting mechanism with a driving member on the mounting seat. When the construction position needs to be moved, the driving member on the supporting mechanism is turned on to push the moving block to start moving, and further pushes the supporting platform to start moving. At the same time, the guide roller moves on the mounting seat, and the mounting frame also moves on the steel beam with the supporting platform, so that the mechanical equipment arrives at the designated position and starts to construct in the foundation pit. In addition, a protective enclosure component is arranged inside the foundation pit to support and protect the inner wall of the foundation pit, which solves the problems that the existing foundation pit construction support platform needs to be temporarily welded and assembled with equipment, resulting in material waste, and the support platform cannot be moved, so that the mechanical equipment cannot completely construct the inside of the foundation pit, resulting in construction troubles and low construction efficiency.

[0042] Furthermore, if Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, the mounting plate 110 is provided with a plurality of fixing holes, and fixing piles 111 are welded and fixedly installed at the fixing holes. The fixing piles 111 can fix the mounting plate 110 to the ground, thereby stably fixing the entire device to the ground, which increases the safety of the construction on the one hand, and improves the overall construction efficiency on the other hand;

[0043] Furthermore, if Figure 1-Figure 4 As shown, the mounting seat 120 is symmetrically provided with two roller grooves 121 parallel to each other for accommodating the guide roller 240, and the guide roller 240 can slide along the roller grooves 121; positioning grooves 122 are provided on both sides of the mounting seat 120 for fixing the longitudinal position of the guide roller 240 so that it is always at a fixed plane height;

[0044] Furthermore, if Figure 1-Figure 5As shown, the driving member 210 is fixedly connected to the mounting seat 120 by bolts. The driving member 210 can be any one of a cylinder, an electric push rod, a hydraulic cylinder and a screw rod. A suitable device is selected according to specific needs to increase work efficiency; one end of the moving block 220 is fixedly connected to the output end of the driving member 210, and the other end of the moving block 220 is fixedly connected to a support platform 230. The end of the support platform 230 away from the moving block 220 is welded and fixedly connected to a limited angle steel 231. The limited angle steel 231 is mainly used to prevent mechanical equipment and objects located on the support platform 230 from falling into the foundation pit, thereby causing unnecessary losses;

[0045] Furthermore, if Figure 1-Figure 4 As shown, the guide roller 240 is fixedly connected to a side of the support platform 230 close to the mounting seat 120; a positioning shaft 241 is fixedly connected to the guide roller 240, and the positioning shaft 241 passes through the positioning grooves 122 on both sides of the mounting seat 120, so that the guide rollers in the two roller grooves can move synchronously; positioning blocks 2411 are fixedly connected to both ends of the positioning shaft 241 by bolts, which play a role of limiting and can prevent the guide roller 240 from falling off from the mounting seat 120;

[0046] Furthermore, if Figure 1-Figure 3 As shown, the mounting frame 250 is fixedly connected to one end of the support platform 230 away from the driving member 210, and the lower end of the mounting frame 250 is slidably connected to the steel beam 260. The steel beam 260 is provided with a slide groove 261, and the lower end of the mounting frame is fixedly connected with a slider 251, and the slider 251 can be accommodated in the slide groove 261 and can slide along the slide groove 261, which not only supports the support platform 230, but also slides on the steel beam 260 to facilitate the improvement of work efficiency; the mounting frame 250 is preferably "E-shaped", and can also be designed into other styles according to actual needs; the steel beam 260 is preferably in the shape of a long strip, and the number of the slider 251, the slide groove 261 and the support beam 330 is equal, and preferably 3;

[0047] Furthermore, if Figure 1 , Figure 2 and Figure 5As shown, the enclosure assembly 300 includes a retaining plate 310 fixedly connected to the inner wall of the foundation pit, a retaining pile 320 fixedly connected to the bottom of the retaining plate 310, and a support beam 330 fixedly connected to the bottom of the steel beam 260; the number of the support beams 330 is equal to the number of the steel beams; the retaining plate 310 is fixedly connected to the inner wall of the foundation pit, and is mainly used for protecting the inner wall of the foundation pit; one end of the retaining pile 320 is fixedly connected to the retaining plate 310, and the other end of the retaining pile 320 is fixedly connected to the ground of the foundation pit; the steel beam 260 is arranged in the foundation pit, and both ends of the steel beam 260 are fixedly connected The two retaining plates 310 connected to the inner walls of the foundation pit on both sides are arranged parallel to each other, and are the main support platforms in the foundation pit; one end of the support beam 330 is fixedly connected to the steel beam 260, and the other end is fixedly connected to the ground of the foundation pit through a support pile 332. The steel beam 260 is supported by the support beam 330, and a cable 331 is fixedly connected between the support beam 330 and the steel beam 260. The cable 331 is symmetrically installed in pairs, and the cable 331 makes the stability between the support beam 330 and the steel beam 260 better, thereby making the overall structure stably supported inside the foundation pit. The cable 331 is fixedly connected to the support beam 330 and the steel beam 260 by welding, and has good stability.

[0048] The working principle of a support device for foundation pit construction provided by the present invention comprises the following steps:

[0049] (1) When in use, the device is placed outside the foundation pit, and the mounting plate is fixed on the ground, so that the entire device is fixed on the bottom surface;

[0050] (2) The required construction equipment is moved to the support platform by a tower crane or by transporting it to the support platform, and then the construction in the foundation pit is started. When the construction position needs to be moved, the driving member on the support assembly is turned on, and the driving member pushes the moving block to start moving, and then the support platform starts moving;

[0051] (3) At the same time, the guide roller moves on the mounting seat, and the mounting frame also moves on the steel beam along with the support platform, so that the mechanical equipment reaches the designated position and starts construction in the foundation pit again;

[0052] (4) In this way, all construction work within the foundation pit can be completed step by step.

[0053] The invention solves the problems that the existing foundation pit construction support platform needs to be temporarily welded and assembled when in use, thus causing material waste and the support platform cannot be moved, so that mechanical equipment cannot completely construct inside the foundation pit, causing construction troubles and low construction efficiency.

[0054] It will be easily understood by those skilled in the art that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A supporting device for foundation pit construction, characterized in that: It comprises an installation component (100) installed on the ground, a support mechanism (200) installed on the installation component (100), and a containment component (300) installed inside a foundation pit, wherein: The mounting assembly (100) comprises a mounting plate (110) and a mounting seat (120) fixedly connected to the mounting plate (110) by welding; The support mechanism (200) comprises a driving member (210) fixedly connected to the mounting seat (120), a moving block (220) fixedly connected to the driving member (210), a supporting platform (230) fixedly connected to the moving block (220), a guide roller (240) fixedly connected to the supporting platform (230), a mounting frame (250) fixedly connected to the supporting platform (230), and a steel beam (260) slidably connected under the mounting frame (250); The mounting seat (120) is symmetrically provided with two roller grooves (121) parallel to each other, the roller grooves (121) can accommodate the guide roller (240), and the guide roller (240) can slide along the roller grooves (121); positioning grooves (122) are provided on both sides of the mounting seat (120); the guide roller (240) is fixedly connected to a side of the support platform (230) close to the mounting seat (120), and a positioning groove (122) is fixedly connected to the guide roller (240). A positioning shaft (241) is provided, the positioning shaft (241) passing through the positioning grooves (122) on both sides of the mounting seat (120), and both ends of the positioning shaft (241) are fixedly connected to positioning blocks (2411) by bolts; the mounting frame (250) is fixedly connected to an end of the support platform (230) away from the driving member (210), and a sliding block (251) is fixedly connected to the lower end of the mounting frame (250), and the sliding block (251) is slidably connected to the steel beam (260); The enclosure assembly (300) comprises a retaining plate (310) fixedly connected to the inner wall of a foundation pit, a retaining pile (320) fixedly connected to the bottom of the retaining plate (310), and a support beam (330) fixedly connected to the bottom of the steel beam (260).

2. A supporting device for foundation pit construction according to claim 1, characterized in that: The driving member (210) may be any one of a cylinder, an electric push rod, a hydraulic cylinder or a screw.

3. A supporting device for foundation pit construction according to claim 1, characterized in that: One end of the moving block (220) is fixedly connected to the output end of the driving member (210), and the other end of the moving block (220) is fixedly connected to the support platform (230); a limited angle steel (231) is welded to one end of the support platform (230) away from the moving block (220).

4. A supporting device for foundation pit construction according to claim 1, characterized in that: The steel beam (260) is arranged in the foundation pit, and both ends of the steel beam (260) are fixedly connected to the retaining plate (310); a sliding groove (261) is provided on the steel beam (260).

5. A supporting device for foundation pit construction according to claim 4, characterized in that: The sliding block (251) can be accommodated in the sliding groove (261) and can slide along the sliding groove (261); the number of the sliding blocks (251), the sliding groove (261) and the supporting beam (330) is equal.

6. A supporting device for foundation pit construction according to claim 1, characterized in that: One end of the retaining pile (320) is fixedly connected to the lower end of the retaining plate (310), and the other end of the retaining pile (320) is fixedly connected to the foundation pit ground.

7. A supporting device for foundation pit construction according to claim 1, characterized in that: One end of the support beam (330) is fixedly connected to the steel beam (260), and the other end is fixedly connected to the foundation pit ground via a support pile (332); and pairs of symmetrically arranged inclined cables (331) are welded between the support beam (330) and the steel beam (260).

8. A supporting device for foundation pit construction according to claim 1, characterized in that: The mounting plate (110) is provided with a plurality of fixing holes, fixing piles (111) are welded at the fixing holes, and the fixing piles (111) are used to fix the mounting plate (110) to the ground.

9. A method for using the supporting device for foundation pit construction according to any one of claims 1 to 8, characterized in that: The steps include: S100: placing the device outside the foundation pit, fixing the mounting plate (110) on the ground, and thereby fixing the entire device on the bottom surface; S200: The required construction equipment is transported to the support platform (230) by a tower crane or by transporting the equipment to start construction in the foundation pit. When the construction location needs to be moved, the driving member (210) on the support assembly is turned on. The driving member (210) pushes the moving block (220) to start moving, and the support platform (230) starts moving. S300: the guide roller (240) moves on the mounting seat (120), and the mounting frame (250) also moves on the steel beam along with the support platform (230), so that the mechanical equipment reaches the designated position and starts construction in the foundation pit again; S400: In this way, all construction work in the foundation pit can be completed step by step.

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