Recyclable foundation pit supporting soil prevention plate

Abstract

The invention discloses a recyclable foundation pit supporting soil prevention plate which comprises a fixing unit, a protection unit and a supporting unit, and the fixing unit comprises a plurality of bases arranged in sequence; each protection unit comprises a plurality of corrugated plates, a connecting groove and a connecting convex plate are formed on the two sides of each corrugated plate respectively, the multiple corrugated plates are detachably connected in sequence through insertion connection of the connecting convex plates and the connecting grooves, and the bottoms of the multiple corrugated plates are fixedly connected with the tops of the multiple bases; one end of each supporting unit is rotatably connected to the side face of the corrugated plate, and the other end of each supporting unit is connected to the ground in an inserted mode. The stability and the bearing capacity of the whole structure can be enhanced, the foundation pit supporting soil prevention plate can be repeatedly used in different construction projects, and the technical problems that an existing foundation pit supporting soil prevention plate is poor in supporting stability and cannot be repeatedly used are solved.

Description

Technical Field

[0001] The invention relates to the technical field of foundation pit support, in particular to a recyclable foundation pit support earthwork board. Background Art

[0002] The foundation pit is an earth pit excavated at the foundation design location according to the base elevation and foundation plane dimensions. During the foundation pit construction process, it is necessary to use support earth-protection boards to support the walls of the foundation pit to prevent gravel and soil from falling off. At the same time, it can also play a role in reinforcing the walls of the foundation pit.

[0003] The current foundation pit support earthwork board is usually directly a retaining plate and a diagonal support rod rotatably arranged on the surface of the retaining plate, and a ground-inserting rod is arranged at the bottom of the retaining plate, so that the retaining plate can stand upright to support the foundation pit. However, the support stability of the traditional foundation pit support earthwork board is poor, especially on rainy days, the soil becomes soft, and the retaining plate cannot achieve a good support effect, which is prone to the displacement of the retaining plate and soil loss; moreover, the retaining plates currently used in construction sites are mostly customized disposable items, which are scrapped after being used in a construction site, resulting in increased construction costs. Summary of the invention

[0004] To this end, the present invention proposes a reusable foundation pit support earthwork board, which enhances the stability and bearing capacity of the overall structure and can be used repeatedly in different construction projects, solving the technical problems of poor supporting stability and non-reusability of existing foundation pit support earthwork boards.

[0005] In order to achieve the above technical objectives, the present invention adopts the following technical solutions: The present invention provides a recyclable foundation pit support earthwork board, comprising: A fixing unit, comprising a plurality of bases arranged in sequence; The protection unit comprises a plurality of corrugated plates, each of which is respectively provided with a connecting groove and a connecting convex plate on both sides, the plurality of corrugated plates are sequentially detachably connected by plugging the connecting convex plates into the connecting grooves, and the bottoms of the plurality of corrugated plates are fixedly connected to the tops of the plurality of bases; A support unit, one end of which is rotatably connected to the side surface of the corrugated plate, and the other end of which is plugged into the ground.

[0006] In some embodiments, a reinforcement unit is also included, which includes at least two reinforcement vertical rods, at least one reinforcement horizontal rod and a reinforcement plate. The reinforcement vertical rods and the reinforcement plate are vertically arranged on the sides of the corrugated plate in sequence, the reinforcement horizontal rod is arranged between the reinforcement vertical rods and the reinforcement plate and between two of the reinforcement vertical rods, and the support unit is arranged on the surface of the reinforcement plate.

[0007] In some embodiments, the reinforcing vertical rod and the reinforcing plate are both formed with a groove portion on a side surface close to the corrugated plate, and a convex portion is formed on the side surface of the corrugated plate. The reinforcing vertical rod and the reinforcing plate are respectively connected to the corrugated plate through the cooperation of the groove portion and the convex portion, and the reinforcing cross rod is arranged in the corresponding groove portions in the reinforcing vertical rod and the reinforcing plate.

[0008] In some embodiments, the reinforcement plate is evenly provided with through holes, and the two sides of the corrugated plate are respectively provided with a first connection hole and a second connection hole. The reinforcement plate connects two adjacent corrugated plates through the through holes and the first connection holes and the second connection holes.

[0009] In some embodiments, a first movable unit is also included, and the first movable unit includes a first screw rod, a first worm gear, a first worm and a first hand wheel, the two ends of the first screw rod are respectively screwed to the reinforcement plate and the reinforcement vertical rod closest to the reinforcement plate, the first worm gear, the first screw rod and the first hand wheel are sequentially matched and connected with one end of the first screw rod located on the outside of the reinforcement vertical rod, so that the reinforcement plate can move horizontally on the surface of the corrugated plate.

[0010] In some embodiments, a second movable unit is also included, which includes a connecting seat, a slider and a slide rail. The two slide rails are respectively opened on both sides of the surface of the reinforcement plate away from the corrugated plate. The two sliders are respectively adapted to the two slide rails, and the two sliders are respectively fixed at both ends of the connecting seat, and the support unit is hinged to the connecting seat.

[0011] In some embodiments, a surface of the connecting seat is provided with a plurality of locking holes for fixedly connecting with the reinforcing plate.

[0012] In some embodiments, the support unit includes a support plate, a U-shaped slide and an insertion rod, one end of the support plate is hinged to the connecting seat, the U-shaped slide is connected to the other end of the support plate, and a plurality of the insertion rods are arranged at the bottom of the U-shaped slide for insertion into the ground.

[0013] In some embodiments, a third movable unit is also included, and the third movable unit includes an L-shaped seat, a second screw rod, a second worm gear, a second worm and a second hand wheel. The L-shaped seat is fixedly connected to the side surface of the support plate away from the corrugated plate, and the two ends of the second screw rod are respectively screwed with the L-shaped seat and the U-shaped slide plate, and the second worm gear, the second worm gear and the second hand wheel are sequentially connected with the end of the second screw rod located above the L-shaped seat, so that the U-shaped slide plate moves up and down on the surface of the support plate.

[0014] In some embodiments, a fork groove is formed at the bottom of the base for facilitating insertion of a forklift.

[0015] Compared with the prior art, the beneficial effects of the present invention mainly include: The present invention provides a recyclable foundation pit support earthwork board, which, through the design of the base and the corrugated plate, enhances the stability and bearing capacity of the overall structure, can effectively support the soil and prevent landslides; at the same time, by respectively designing connecting grooves and connecting convex plates on both sides of the corrugated plate, multiple corrugated plates can be flexibly spliced ​​together according to the actual required width through the connecting grooves and the connecting convex plates, thereby broadening the scope of application of the foundation pit of the earthwork board, so that the earthwork board provided by the present invention is no longer a disposable product, but can be repeatedly used in different construction projects, thereby reducing construction costs and complying with the concept of sustainable development. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a general structural diagram of the foundation pit support earthwork board according to an embodiment of the present invention; Figure 2 is a schematic structural diagram of a single corrugated plate according to an embodiment of the present invention (only a reinforcement unit is installed); Figure 3 is a schematic structural diagram of a single corrugated plate according to an embodiment of the present invention (with a reinforcement unit and a support unit installed); Figure 4 is a schematic structural diagram of a support unit according to an embodiment of the present invention; Figure 5 yes Figure 3 Enlarged view of point A in the middle.

[0017] The following are the descriptions of the reference numerals: 100, fixing unit, 110, base, 111, fork slot, 112, preset slot; 200, protection unit, 210, corrugated plate, 211, connecting groove, 212, connecting convex plate, 213, first connecting hole, 214, second connecting hole, 215, connecting plate, 216, mounting plate, 217, gear rod; 300, support unit, 310, support plate, 320, U-shaped slide plate, 330, insertion rod; 400, reinforcement unit, 410, reinforcement vertical rod, 420, reinforcement horizontal rod, 430, reinforcement plate, 431, through hole; 500, first moving unit, 510, first screw rod, 520, first worm wheel, 530, first worm, 540, first hand wheel; 600, second moving unit, 610, connecting seat, 611, locking hole, 620, sliding block, 630, sliding rail; 700, a third moving unit, 710, an L-shaped seat, 720, a second screw rod, 730, a second worm wheel, 740, a second worm, 750, a second hand wheel. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution 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.

[0019] In view of the technical problems that traditional foundation pit support earthwork panels have poor stability and cannot be reused, the present invention proposes a reusable foundation pit support earthwork panel that can enhance the stability and bearing capacity of the overall structure and can be repeatedly used in different construction projects to reduce construction costs.

[0020] See also Figures 1 to 3 As shown, the present invention provides a recyclable foundation pit support earthwork plate, including a fixing unit 100, a protection unit 200 and a support unit 300, wherein the fixing unit 100 includes a plurality of bases 110 arranged in sequence; the protection unit 200 includes a plurality of corrugated plates 210, each of the corrugated plates 210 is respectively provided with a connecting groove 211 and a connecting convex plate 212 on both sides, and the plurality of corrugated plates 210 are detachably connected in sequence by plugging the connecting convex plate 212 into the connecting groove 211, and the bottoms of the plurality of corrugated plates 210 are fixedly connected to the tops of the plurality of bases 110; one end of the support unit 300 is rotatably connected to the side of the corrugated plate 210, and the other end of the support unit 300 is plugged into the ground.

[0021] The present invention provides a base 110 and a corrugated plate 210. Furthermore, the base 110 is a concrete base, and the corrugated plate 210 can be made of a carbon fiber composite material or a mixture of lightweight concrete and polymer materials, or can be made of steel. Compared with the existing earth-proof panels, the stability and bearing capacity of the overall structure can be enhanced. Combined with the supporting effect of the support unit 300, the soil can be effectively supported to prevent landslides. At the same time, by providing multiple corrugated plates 210, the multiple corrugated plates 210 can be flexibly spliced ​​according to the size of the foundation pit, which increases the flexibility of the design and expands the scope of application of the foundation pit of the earth-proof panels, so that the earth-proof panels of the present invention are no longer personalized disposable products, but can be repeatedly used in different construction projects. Therefore, the construction cost can be reduced, which is in line with the concept of sustainable development.

[0022] The various components and working principles of the recyclable foundation pit support earthwork board described in this embodiment are described in detail below.

[0023] In one embodiment, if Figure 1 As shown, this embodiment is composed of two corrugated plates 210 and four bases 110 , wherein two bases 110 support one corrugated plate 210 respectively.

[0024] In one embodiment, in combination Figure 5 As shown, a preset groove 112 is provided on the upper surface of the base 110, and a connecting plate 215 is integrally provided at the bottom of the corrugated plate 210. Mounting plates 216 are provided on both sides of the connecting plate 215. During installation, the connecting plate 215 of the corrugated plate 210 is inserted into the preset grooves 112 of the two bases 110, and the mounting plate 216 contacts the upper surface of the base 110. The fixing bolts embedded in the base 110 pass through the fixing holes of the mounting plate 216, and then are tightened with fixing nuts to fix the corrugated plate 210 on the base 110, which can meet the strength requirements.

[0025] In one of the embodiments, a fork groove 111 is further provided at the bottom of the base 110. During installation, the fork rod of a forklift can be inserted into the corresponding fork groove 111, so that the base 110 can be moved by the forklift, thus saving manpower.

[0026] In one embodiment, a plurality of tooth rods 217 are provided on a side of the mounting plate 216 away from the supporting unit 300, so as to increase the friction between the mounting plate 216 and the soil and prevent the anti-soil plate from loosening.

[0027] In one embodiment, if Figure 2 and Figure 3 As shown, it also includes a reinforcement unit 400, which includes two reinforcement vertical rods 410, a plurality of reinforcement horizontal rods 420 and a reinforcement plate 430. The two reinforcement vertical rods 410 and the reinforcement plate 430 are vertically arranged on the sides of the corrugated plate 210 in sequence, the reinforcement horizontal rod 420 is arranged between the reinforcement vertical rod 410 and the reinforcement plate 430 and between the two reinforcement vertical rods 410, and the support unit 300 is arranged on the surface of the reinforcement plate 430.

[0028] In one embodiment, the reinforcing vertical rod 410 and the reinforcing plate 430 are both formed with a groove portion on a side surface close to the corrugated plate 210, and the side surface of the corrugated plate 210 is formed with a protrusion portion, and the reinforcing vertical rod 410 and the reinforcing plate 430 are respectively connected to the corrugated plate 210 through the cooperation of the groove portion and the protrusion portion, and the reinforcing cross rod 420 is arranged in the corresponding groove portions in the reinforcing vertical rod 410 and the reinforcing plate 430.

[0029] In one embodiment, the reinforcing plate 430 is evenly provided with through holes 431, and the two sides of the corrugated plate 210 are respectively provided with a first connecting hole 213 and a second connecting hole 214. The reinforcing plate 430 can connect two adjacent corrugated plates 210 through the through holes 431 and the first connecting holes 213 and the second connecting holes 214.

[0030] In one of the embodiments, in order to facilitate the connection between two adjacent corrugated plates 210, the present invention further provides a first movable unit 500, which includes a first screw rod 510, a first worm wheel 520, a first worm 530 and a first hand wheel 540. The two ends of the first screw rod 510 are respectively screwed to the reinforcement plate 430 and the reinforcement vertical rod 410 closest to the reinforcement plate 430. The first worm wheel 520, the first worm 530 and the first hand wheel 540 are sequentially matched and connected with one end of the first screw rod 510 located on the outside of the reinforcement vertical rod 410. In this way, by rotating the first hand wheel 540, The first worm screw 530, the first worm wheel 520 and the first screw screw 510 are driven to rotate in turn, so that the reinforcement plate 430 can move horizontally on the side surface of the corrugated plate 210, and the connection between the reinforcement cross bar 420 and the reinforcement plate 430 through the groove portion provides convenience for the horizontal movement of the reinforcement plate 430. When the reinforcement plate 430 moves to correspond to the first connecting hole 213 and the second connecting hole 214 of the two adjacent corrugated plates 210, the locking bolt is inserted into the through hole 431 and the first connecting hole 213 and the second connecting hole 214 to fix the reinforcement plate 430 to the two adjacent corrugated plates 210 to enhance stability.

[0031] In one of the embodiments, in order to adapt to the height of each foundation pit and meet the support requirements, the present invention also provides a second movable unit 600, which can drive the support unit 300 to move up and down on the reinforcement plate 430 to meet the support requirements of different heights.

[0032] In one embodiment, the second movable unit 600 includes a connecting seat 610, a slider 620 and a slide rail 630, the two slide rails 630 are respectively opened on both sides of the surface of the reinforcement plate 430 away from the corrugated plate 210, the two sliders 620 are respectively adapted to the two slide rails 630, and the two sliders 620 are respectively fixed at both ends of the connecting seat 610, and the support unit 300 is hinged to the connecting seat 610, so that the connecting seat 610 can be moved up and down on the reinforcement plate 430 through the cooperation of the slider 620 and the slide rail 630, thereby driving the support unit 300 to move up and down.

[0033] In one embodiment, a plurality of locking holes 611 are formed on the surface of the connection base 610 . When the connection base 610 is moved to a desired height, the connection base 610 can be locked at the current height through the locking holes 611 .

[0034] In one embodiment, if Figure 4 As shown, the support unit 300 includes a support plate 310, a U-shaped slide 320 and an insertion rod 330. One end of the support plate 310 is hinged to the connecting seat 610, and the U-shaped slide 320 is connected to the other end of the support plate 310. A plurality of the insertion rods 330 are arranged at the bottom of the U-shaped slide 320 for plugging into the ground.

[0035] In one embodiment, the present invention also includes a third movable unit 700, which includes an L-shaped seat 710, a second screw rod 720, a second worm gear 730, a second worm gear 740 and a second hand wheel 750. The L-shaped seat 710 is fixedly connected to a side surface of the support plate 310 away from the corrugated plate 210, and the two ends of the second screw rod 720 are respectively screwed to the L-shaped seat 710 and the U-shaped slide plate 320. The second worm gear 730, the second worm gear 740 and the second hand wheel 750 are respectively connected to the end of the second screw rod 720 located above the L-shaped seat 710. In this way, rotating the second hand wheel 750 can drive the rotation of the second worm gear 740, the second worm gear 730 and the second screw rod 720 in turn, thereby driving the U-shaped slide plate 320 to move up and down, so as to pull the insertion rod 330 out of the soil or insert it into the soil.

[0036] The working principle of the recyclable foundation pit support earthwork board provided by the present invention is: When the present invention is used, the fork rod of the forklift is correspondingly inserted into the two fork grooves 111 on the base 110, and the base 110 is placed at a position where soil retaining is required. The connection of the two bases 110 can support a corrugated plate 210, and the connecting plate 215 at the bottom of the corrugated plate 210 is inserted into the preset groove 112 on the base 110, and the corrugated plate 210 can be fixed on the base 110 by tightening with a fixing nut. When the two corrugated plates 210 are spliced, the connecting convex plate 212 on one corrugated plate 210 is inserted into the connecting groove 211 on the other corrugated plate 210. After the insertion, the first connecting hole 213 and the second connecting hole 214 correspond to each other, and then the first hand wheel 540 is rotated to control the rotation of the first worm 530, and the first screw 510 is rotated through the meshing connection between the first worm 530 and the first worm wheel 520. The first screw rod 510 can slide the reinforcement plate 430 to the connection point of the two corrugated plates 210. At this time, the two corrugated plates 210 can be fixedly connected by tightening the fastening bolts, thereby strengthening the support for the connection point. The support unit 300 is installed on the reinforcement plate 430, and the slider 620 on the connecting seat 610 is correspondingly connected to the slide rail 630. After adjusting to a suitable height, the position of the connecting seat 610 is fixed by tightening the bolts, and the end of the support plate 310 is supported on the ground. Then the second hand wheel 750 is turned to rotate the second worm 7403, and the second screw rod 720 is rotated through the meshing connection of the second worm 740 and the second worm wheel 730, so that the U-shaped slide plate 320 slides down, and the multiple plug rods 330 and the support plate 310 at the bottom are jointly supported on the ground, thereby enhancing the oblique support effect.

[0037] In summary, the recyclable foundation pit support earthwork board provided by the present invention has the following beneficial effects: 1. The present invention adopts the design of the base and corrugated plate to enhance the stability and bearing capacity of the overall structure, which can effectively support the soil and prevent landslides; the design of the reinforcement unit and the support unit allows height adjustment according to the specific conditions of the site, so that the support structure can adapt to different terrains and soil conditions. By opening a fork groove on the base, it is convenient for forklifts to move, so as to achieve the purpose of rapid transportation and installation at the construction site, save manpower and time, and improve work efficiency; 2. The multiple corrugated plates provided in the present invention can be flexibly spliced ​​to meet the needs of foundation pits of different widths, which increases the flexibility of the design. The overall structural design is concise and clear, which is convenient for on-site maintenance and adjustment. Construction personnel can quickly identify and deal with problems, thereby improving construction efficiency; 3. The materials of the present invention are highly recyclable. The corrugated plates and bases can be used repeatedly in different construction projects, which reduces construction costs and complies with the concept of sustainable development. Through the combination of reinforcement units and support units, the support effect of the joints is enhanced, the safety of the overall support structure is improved, and the risks caused by instability during construction are reduced.

[0038] The specific implementation of the present invention described above does not constitute a limitation on the protection scope of the present invention. Any other corresponding changes and modifications made based on the technical concept of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A recyclable foundation pit support earthwork board, characterized in that: include: A fixing unit, comprising a plurality of bases arranged in sequence; The protection unit comprises a plurality of corrugated plates, each of which is respectively provided with a connecting groove and a connecting convex plate on both sides, the plurality of corrugated plates are sequentially detachably connected by plugging the connecting convex plates into the connecting grooves, and the bottoms of the plurality of corrugated plates are fixedly connected to the tops of the plurality of bases; A support unit, one end of which is rotatably connected to the side surface of the corrugated plate, and the other end of which is plugged into the ground.

2. The recyclable foundation pit support earthwork board according to claim 1 is characterized in that: It also includes a reinforcement unit, which includes at least two reinforcement vertical rods, at least one reinforcement horizontal rod and a reinforcement plate. The reinforcement vertical rods and the reinforcement plate are vertically arranged on the sides of the corrugated plate in sequence, the reinforcement horizontal rod is arranged between the reinforcement vertical rods and the reinforcement plate and between two of the reinforcement vertical rods, and the support unit is arranged on the surface of the reinforcement plate.

3. The recyclable foundation pit support earthwork board according to claim 2 is characterized in that: The reinforcing vertical rod and the reinforcing plate are both formed with a groove portion on a side surface close to the corrugated plate, and a convex portion is formed on the side surface of the corrugated plate. The reinforcing vertical rod and the reinforcing plate are respectively connected to the corrugated plate through the cooperation of the groove portion and the convex portion, and the reinforcing cross bar is arranged in the corresponding groove portions in the reinforcing vertical rod and the reinforcing plate.

4. The recyclable foundation pit support earthwork board according to claim 3 is characterized in that: The reinforcing plate is evenly provided with through holes, and the two sides of the corrugated plate are respectively provided with a first connecting hole and a second connecting hole. The reinforcing plate connects two adjacent corrugated plates through the through holes and the first connecting holes and the second connecting holes.

5. The recyclable foundation pit support earthwork board according to claim 2, characterized in that: It also includes a first movable unit, which includes a first screw, a first worm gear, a first worm and a first hand wheel, the two ends of the first screw are respectively screwed to the reinforcement plate and the reinforcement vertical rod closest to the reinforcement plate, the first worm gear, the first screw and the first hand wheel are sequentially matched and connected with one end of the first screw located on the outside of the reinforcement vertical rod, so that the reinforcement plate can move horizontally on the surface of the corrugated plate.

6. The recyclable foundation pit support earthwork board according to claim 2, characterized in that: It also includes a second movable unit, which includes a connecting seat, a slider and a slide rail. The two slide rails are respectively opened on both sides of the surface of the reinforcement plate away from the corrugated plate. The two sliders are respectively adapted to the two slide rails, and the two sliders are respectively fixed at both ends of the connecting seat, and the supporting unit is hinged to the connecting seat.

7. The recyclable foundation pit support earthwork board according to claim 6 is characterized in that: The surface of the connecting seat is provided with a plurality of locking holes for fixedly connecting with the reinforcing plate.

8. The recyclable foundation pit support earthwork board according to claim 6, characterized in that: The support unit includes a support plate, a U-shaped slide and an insertion rod. One end of the support plate is hinged to the connecting seat, and the U-shaped slide is connected to the other end of the support plate. A plurality of the insertion rods are arranged at the bottom of the U-shaped slide for insertion into the ground.

9. The recyclable foundation pit support earthwork board according to claim 8, characterized in that: The third movable unit also includes an L-shaped seat, a second screw rod, a second worm gear, a second worm and a second hand wheel. The L-shaped seat is fixedly connected to a side surface of the support plate away from the corrugated plate. The two ends of the second screw rod are respectively screwed with the L-shaped seat and the U-shaped slide plate. The second worm gear, the second worm and the second hand wheel are sequentially matched and connected with an end of the second screw rod located above the L-shaped seat, so that the U-shaped slide plate moves up and down on the surface of the support plate.

10. The recyclable foundation pit support earthwork board according to claim 1, characterized in that: A fork groove is formed at the bottom of the base for easy insertion of a forklift.

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