A foundation pit reinforcement device for construction projects

Abstract

The present invention discloses a foundation pit reinforcement device for construction projects, which relates to the technical field of foundation pit reinforcement. It includes an adjustment unit, a support unit, an expansion unit and a fixed frame. The support unit is arranged on the front side of the fixed frame. The rear side of the fixed frame is connected to the adjustment unit, the adjustment unit is connected to the reinforcement plate, the rear side of the reinforcement plate is connected to the expansion unit, and auxiliary fixed cones are arranged on the reinforcement plate. By adopting the above-mentioned foundation pit reinforcement device for construction projects, adjustment bolts are used to insert the main fixed cones into the soil to fix the fixed frame. At the same time, the support columns cooperate with the extension rods to effectively prevent the fixed frame from tilting, and the rotating screw rod presses the reinforcement plate against the surface of the foundation pit, thereby improving the effect of foundation pit reinforcement.

Description

Technical Field

[0001] The present invention relates to the technical field of foundation pit reinforcement, and in particular to a foundation pit reinforcement device for construction projects. Background Art

[0002] A foundation pit is an earth pit excavated at the designed position of the foundation according to the base elevation and the foundation plan dimensions. Before excavation, the excavation plan should be determined based on geological and hydrological data, combined with the situation of nearby buildings on site, and waterproof and drainage work should be done well. For shallow excavations, the slope method can be used to make the soil slope stable, and the slope size is determined according to relevant construction regulations. For deeper excavations and those adjacent to buildings, methods such as foundation pit wall support, shotcrete retaining wall method, and even methods such as diaphragm wall and column - type bored cast - in - place pile interlocking can be used to prevent the outer layer of soil from collapsing; where there is no impact on nearby buildings, the well point method can be used to lower the groundwater level and open excavation with slopes can be adopted; in cold regions, the natural cold air freezing method can be used for excavation, etc. At present, the bottom surface of the foundation pit reinforcement device is fixed by bolts. Since the fixing method is relatively simple and is prone to tilting of the reinforcement device under pressure, this will affect the subsequent effect of foundation pit reinforcement. Moreover, when encountering deeper foundation pits, it is inconvenient to install and connect multiple reinforcement plates, which affects the practicability of the device. Therefore, we propose a foundation pit reinforcement device for construction projects. Summary of the Invention

[0003] The purpose of the present invention is to provide a foundation pit reinforcement device for construction projects, which solves the problems of relatively simple fixing method and poor practicability of the existing foundation pit reinforcement devices.

[0004] To achieve the above - mentioned purpose, the present invention provides a foundation pit reinforcement device for construction projects, including an adjustment unit, a support unit, an expansion unit, and a fixed frame. The support unit is arranged on the front side surface of the fixed frame, the rear side surface of the fixed frame is connected to the adjustment unit, the adjustment unit is connected to a reinforcement plate, the rear side of the reinforcement plate is connected to the expansion unit, and auxiliary fixing cones are arranged on the reinforcement plate.

[0005] Preferably, adjustment grooves are arranged on both inner side surfaces of the fixed frame. The adjustment grooves are slidably connected to adjustment plates. Both ends of the bottom surface of the adjustment plates are fixedly installed with main fixing cones. The main fixing cones pass through the bottom of the fixed frame. An adjustment bolt is arranged on the upper part of the fixed frame. The adjustment bolt is rotatably connected inside the fixed frame and is connected to the adjustment plate. A cross - shaped groove is opened on the top surface of the adjustment bolt.

[0006] Preferably, the support unit includes an extension rod, a slider, a support column, a locking hole, and a placement groove. The placement groove is opened on the front side of the fixed frame. There are two placement grooves, and the support columns are rotatably connected in both of the two placement grooves. The extension rod is slidably connected inside the support column. The slider is installed on the top surface of the extension rod, and the slider is slidably connected to the chute on the top surface of the support column.

[0007] Preferably, a locking hole is provided at one end of the support column connected to the adjustment groove. The locking hole is connected to a locking rod, the locking rod is connected to a pull plate, the inner side surface of the pull plate is connected to the outer end of a spring, and the spring is fixed in a groove opened on the side surface of the fixed frame.

[0008] Preferably, the adjustment unit includes a shaft groove, a fixing bolt, a sliding frame, a bracket, and a connecting seat. There are two connecting seats, and both of the two connecting seats are fixed on the rear side surface of the fixed frame. The inside of the connecting seat is rotatably connected to the bracket. The bracket is slidably connected to the sliding frame. The shaft groove is provided on the sliding frame. There are multiple shaft grooves, and the fixing bolts are inserted into all of the multiple shaft grooves. The fixing bolts are connected to the reinforcement plate.

[0009] Preferably, screw holes are provided on the surface of the bracket. There are two screw holes, and both of the two screw holes are threadedly connected to a screw. A runner is provided at the front end of the screw. The screw is rotatably connected inside the sliding frame. T-shaped grooves are provided at both ends of the rear side surface of the sliding frame. The T-shaped grooves are slidably connected to T-shaped strips. The T-shaped strips are connected to an anti-disengagement frame. The shaft hole on the anti-disengagement frame is rotatably connected to a bolt, and the bolt is threadedly connected to the connection hole on the front side surface of the T-shaped strip.

[0010] Preferably, the expansion unit includes expansion plates. There are two expansion plates, and both of the two expansion plates are slidably connected to the plate groove of the reinforcement plate. An expansion rod is provided on the front side surface of the expansion plate. A locking frame is installed at the front end of the expansion rod. The expansion rod is arranged inside a through groove. The through groove is provided on the surface of the reinforcement plate. Locking grooves are evenly opened on the outside of the through groove, and the locking grooves are correspondingly inserted with the locking frame.

[0011] Preferably, an installation groove is provided on the surface of the reinforcement plate. An installation plate is arranged in the installation groove. A secondary fixing cone is fixed on the rear side surface of the installation plate. A connection groove is provided in the middle of the reinforcement plate. The connection groove is provided on the upper and lower side surfaces of the reinforcement plate. A connection insertion rod is inserted into the connection groove.

[0012] Preferably, an identification frame is fixed on the fixed frame, and an information card is inserted into the identification frame.

[0013] Therefore, the present invention adopts the above-mentioned foundation pit reinforcement device for construction engineering, and has the following beneficial effects:

[0014] (1) Install the reinforcement plate on the rear side of the sliding frame by rotating the fixing bolt, and rotate the bracket to adjust the inclination angle of the reinforcement plate, so that the reinforcement plate fits the foundation pit wall. Rotate the runner to drive the screw rod to rotate to tightly fit the reinforcement plate and the foundation pit wall, so as to prevent large gaps at the connection from affecting the reinforcement effect.

[0015] (2) Rotate the support column to the ground surface, and the spring contracts to insert the locking rod into the top surface of the support column, thereby preventing the support column from loosening. The slider slides inside the chute to adjust the position of the extension rod, thereby playing a supporting role for the fixed frame, so as to prevent the problem that the fixed frame tilts due to the large force on the reinforcement plate.

[0016] (3) Slide the telescopic rod inside the through groove to unfold the extension plate, and the telescopic rod contracts to make the locking frame snap into the inside of the locking groove to fix the position of the extension plate, increasing the area of reinforcement for the foundation pit wall. At the same time, the installation plate is inserted into the installation groove, so that the auxiliary fixing cone is inserted into the foundation pit wall, which can increase the firmness of the installation of the reinforcement plate.

[0017] (4) Rotate the adjusting bolt to adjust the depth of the main fixing cone inserted into the ground, thereby increasing the stability of the placement of the fixed frame. The anti-disengagement frame is stuck on the outside of the T-shaped strip and fixed by bolts, which is convenient to connect and fix multiple reinforcement plates, thereby increasing the practicability of the device.

[0018] The following further describes the technical solution of the present invention in detail through the drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of an embodiment of a foundation pit reinforcement device for construction engineering according to the present invention;

[0020] Figure 2 is a schematic structural diagram of the support unit of the present invention;

[0021] Figure 3 is for the present invention Figure 1 partial enlarged structural diagram at A in;

[0022] Figure 4 is for the present invention Figure 1 partial enlarged structural diagram at B in;

[0023] Figure 5 is for the present invention Figure 2 partial enlarged structural diagram at C in;

[0024] Figure 6 is a connection diagram of the reinforcement plate and the extension plate of the present invention;

[0025] Reference numerals

[0026] 1. Fixed frame; 2. Adjusting unit; 21. Shaft groove; 22. Fixed bolt; 23. Slide carriage; 24. Bracket; 25. Connecting seat; 26. Screw rod; 27. Runner; 3. Support unit; 31. Placing groove; 32. Locking hole; 33. Support column; 34. Slide block; 35. Extension rod; 36. Groove; 37. Spring; 38. Pulling plate; 39. Locking rod; 4. Expansion unit; 41. Expansion plate; 42. Locking frame; 43. Expansion rod; 44. Locking groove; 45. Through groove; 5. Adjusting groove; 6. Adjusting plate; 7. Main fixing cone; 8. Reinforcing plate; 81. Plate groove; 9. Sub-fixing cone; 10. Installation groove; 11. Installation plate; 12. T-shaped bar; 13. T-shaped groove; 14. Adjusting bolt; 15. Cross-shaped slot; 16. Bolt; 17. Anti-detachment frame; 18. Connecting plug rod; 19. Connecting groove; 101. Identification frame; 102. Information card. Detailed implementation manners

[0027] The technical solutions of the present invention will be further described below with reference to the drawings and embodiments.

[0028] Unless otherwise defined, the technical terms or scientific terms used in the present invention shall have the ordinary meanings understood by those of ordinary skill in the field to which the present invention pertains. The "first", "second" and similar terms used in the present invention do not denote any order, quantity or importance, but are only used to distinguish different components. The terms such as "including" or "comprising" mean that the elements or objects appearing before this term cover the elements or objects listed after this term and their equivalents, without excluding other elements or objects. The terms such as "connected" or "coupled" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The terms such as "upper", "lower", "left" and "right" are only used to represent relative positional relationships, and when the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0029] Embodiment

[0030] Please refer to Figures 1 - 6 , the present invention provides a foundation pit reinforcement device for construction engineering, including a fixed frame 1, an adjusting unit 2, a support unit 3 and an expansion unit 4.

[0031] Adjustment grooves 5 are provided on both the left and right inner side surfaces of the fixed frame 1. The inside of the adjustment groove 5 is slidably connected to the end of the adjustment plate 6. Main fixing cones 7 are fixedly installed on both sides of the bottom surface of the adjustment plate 6. The adjustment bolt 14 is rotatably connected inside the fixed frame 1. The adjustment bolt 14 is threadedly connected to the threaded hole in the middle of the adjustment plate 6. A cross-shaped slot 15 is provided on the top surface of the adjustment bolt 14. Rotating the adjustment bolt 14 can adjust the depth of insertion of the main fixing cone 7 into the ground, thereby increasing the stability of the placement of the fixed frame 1.

[0032] The front side of the fixed frame 1 is provided with a support unit 3. The support unit 3 includes a placement groove 31, a locking hole 32, a support column 33, a slider 34, and an extension rod 35. There are two placement grooves 31, which are respectively provided at both ends of the front side of the fixed frame 1. A support column 33 is rotatably connected inside the placement groove 31. A locking hole 32 is provided on the surface of the support column 33. An extension rod 35 is slidably connected inside the support column 33. A slider 34 is installed on the top surface of the extension rod 35. The slider 34 is slidably connected to the chute on the top surface of the support column 33. Rotate the support column 33 to place it on the ground, and the slider 34 slides inside the chute to adjust the position of the extension rod 35, thereby playing a supporting role for the fixed frame 1 to prevent the problem that the fixed frame 1 tilts due to the large force on the reinforcement plate 8. The support unit 3 further includes a groove 36, a spring 37, a pull plate 38, and a locking rod 39. The groove 36 is provided on the side of the fixed frame 1. A spring 37 is fixed inside the groove 36. The outer end of the spring 37 is connected to the inner side surface of the pull plate 38. A locking rod 39 is fixed to the inner side surface of the pull plate 38. The locking rod 39 passes through the through hole on the side of the fixed frame 1 and is correspondingly matched with the locking hole 32. The spring 37 contracts to insert the locking rod 39 into the top surface of the support column 33, thereby preventing the support column 33 from loosening.

[0033] The adjustment unit 2 includes a shaft groove 21, a fixing bolt 22, a sliding frame 23, a bracket 24, a connecting seat 25, a screw rod 26, and a runner 27. There are two connecting seats 25, which are respectively fixed at both ends of the rear side of the fixed frame 1. One end of the bracket 24 is rotatably connected to the inside of the connecting seat 25. A sliding frame 23 is slidably installed on the outside of the bracket 24. Shaft grooves 21 are evenly provided on the surface of the sliding frame 23. A fixing bolt 22 is inserted into the inside of the shaft groove 21. There are two screw rods 26, which are respectively threadedly connected to the threaded holes on the surface of the bracket 24. The rear side end of the screw rod 26 is rotatably connected to the inside of the sliding frame 23. The front side end of the screw rod 26 is installed with a runner 27.

[0034] The front side of the reinforcement plate 8 is attached to the rear side of the sliding frame 23. An expansion unit 4 is provided on the rear side of the reinforcement plate 8. Rotate the fixing bolt 22 to install the reinforcement plate 8 on the rear side of the sliding frame 23. Rotate the bracket 24 to adjust the inclination angle of the reinforcement plate 8, so that the reinforcement plate 8 fits the foundation pit wall. Rotate the runner 27 to drive the screw rod 26 to rotate to tightly fit the reinforcement plate 8 with the foundation pit wall, so as to prevent a large gap at the connection from affecting the reinforcement effect.

[0035] The extension unit 4 includes an extension board 41, a locking frame 42, a telescopic rod 43, a locking groove 44 and a through groove 45. There are two extension boards 41 which are respectively slidably installed in the board grooves 81 of the reinforcement board 8. The through groove 45 is opened on the surface of the reinforcement board 8. The front side of the extension board 41 is fixed with a telescopic rod 43. The telescopic rod 43 is located inside the through groove 45. The front end of the telescopic rod 43 is installed with a locking frame 42. The locking grooves 44 are evenly opened on the outer side of the through groove 45. The locking frame 42 is correspondingly inserted into the locking groove 44. The telescopic rod 43 slides inside the through groove 45 to expand the extension board 41. When the telescopic rod 43 contracts, the locking frame 42 is clamped into the inside of the locking groove 44 to fix the position of the extension board 41, so that the area of the foundation pit wall reinforcement can be increased.

[0036] The installation groove 10 is opened on the surface of the reinforcement board 8. The rear side of the installation board 11 is fixed with an auxiliary fixing cone 9. The installation board 11 is correspondingly matched with the installation groove 10. The installation board 11 is inserted into the inside of the installation groove 10, so that the auxiliary fixing cone 9 is inserted into the inside of the foundation pit wall, which can increase the firmness of the installation of the reinforcement board 8. There are two board grooves 81 at the rear end of the reinforcement board 8. The extension board 41 is slidably connected with the reinforcement board 8 through the board grooves 81. The connection between the reinforcement board 8 and the extension board 41 is enhanced through the setting of the board grooves 81. Two T-shaped bars 12 are fixed at both ends of the front side of the reinforcement board 8. There are two T-shaped grooves 13 which are respectively opened at both ends of the rear side of the sliding frame 23. The T-shaped bars 12 are slidably connected with the T-shaped grooves 13. The T-shaped bars 12 slide inside the T-shaped grooves 13 to increase the firmness of the installation of the reinforcement board 8 and the sliding frame 23. It also includes a bolt 16 and an anti-disengagement frame 17. The anti-disengagement frame 17 is correspondingly clamped on the outer side of the T-shaped bar 12. A bolt 16 is rotatably connected in the shaft hole on the surface of the anti-disengagement frame 17. The bolt 16 is threadedly connected with the threaded hole on the front side of the T-shaped bar 12. The anti-disengagement frame 17 is clamped on the outer side of the T-shaped bar 12 and fixed by the bolt 16, which is convenient for connecting and fixing multiple reinforcement boards 8, thereby increasing the practicability of the device.

[0037] The connection groove 19 is opened in the middle of the upper and lower sides of the reinforcement board 8. A connection plug rod 18 is inserted into the connection groove 19. The connection plug rod 18 is inserted into the connection groove 19, thereby increasing the firmness of the installation between the reinforcement boards 8.

[0038] The fixing frame 1 is provided with an identification frame 101 and an information card 102. The identification frame 101 is fixed on the left side of the fixing frame 1. The information card 102 is inserted into the identification frame 101. The information card 102 inside the identification frame 101 is convenient for recording data such as the usage information of the reinforcement device for personnel to view.

[0039] The working principle is as follows: First, place the fixed frame 1 inside the foundation pit. Rotate the adjusting bolt 14 to drive the adjusting plate 6 to slide inside the adjusting groove 5, so as to adjust the depth of the main fixed cone 7 inserted into the ground, thereby increasing the stability of the placement of the fixed frame 1. At the same time, rotate the support column 33 to the bottom surface, and the spring 37 contracts to make the locking rod 39 insert into the top surface of the support column 33, thereby preventing the support column 33 from loosening. The slider 34 slides inside the chute to adjust the position of the extension rod 35, thereby playing a supporting role for the fixed frame 1 to prevent the problem that the fixed frame 1 tilts due to the large force on the reinforcement plate 8. Insert the T-shaped strip 12 on the front side of the reinforcement plate 8 into the inside of the T-shaped groove 13, and rotate the fixing bolt 22 to install the reinforcement plate 8. Rotate the bracket 24 to adjust the inclination angle of the reinforcement plate 8, so that the reinforcement plate 8 fits the foundation pit wall. Rotate the runner 27 to drive the screw 26 to rotate to tightly fit the reinforcement plate 8 and the foundation pit wall, so as to prevent a large gap at the connection from affecting the reinforcement effect. Subsequently, the telescopic rod 43 slides inside the through groove 45 to expand the expansion plate 41, and the telescopic rod 43 contracts to make the locking frame 42 snap into the inside of the locking groove 44 to fix the position of the expansion plate 41, which can increase the area of reinforcement for the foundation pit wall. When it is necessary to connect and install multiple reinforcement plates 8, insert the connection plug rod 18 into the inside of the connection groove 19, thereby increasing the firmness of the installation between the reinforcement plates 8. And the anti-disengagement frame 17 is stuck on the outside of the T-shaped strip 12 and fixed by the bolt 16, which is convenient to connect and fix multiple reinforcement plates 8, thereby increasing the practicability of the device.

[0040] Therefore, the present invention adopts the above-mentioned foundation pit reinforcement device for construction engineering. By setting the adjustment unit, the reinforcement plate fits the foundation pit wall. Rotate the runner to drive the screw to rotate to tightly fit the reinforcement plate and the foundation pit wall, so as to prevent a large gap at the connection from affecting the reinforcement effect. By setting the support unit, it plays a supporting role for the fixed frame to prevent the problem that the fixed frame tilts due to the large force on the reinforcement plate. By setting the expansion unit, it increases the area of reinforcement for the foundation pit wall. At the same time, the installation plate is inserted into the installation groove, and then the secondary fixed cone is inserted into the inside of the foundation pit wall, which can increase the firmness of the installation of the reinforcement plate. By rotating the adjusting bolt, the depth of the main fixed cone inserted into the ground can be adjusted, thereby increasing the stability of the placement of the fixed frame. The anti-disengagement frame is stuck on the outside of the T-shaped strip and fixed by the bolt, which is convenient to connect and fix multiple reinforcement plates, thereby increasing the practicability of the device.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that they can still modify or equivalently replace the technical solutions of the present invention, and these modifications or equivalent replacements cannot make the modified technical solutions deviate from the spirit and scope of the technical solutions of the present invention.

Claims

1. A foundation pit reinforcement device for construction engineering, characterized in that: It comprises an adjustment unit, a support unit, an expansion unit and a fixing frame, wherein the front side of the fixing frame is provided with the support unit, the rear side of the fixing frame is connected to the adjustment unit, the adjustment unit is connected to a reinforcement plate, the rear side of the reinforcement plate is connected to the expansion unit, and the reinforcement plate is provided with a secondary fixing cone; The fixing frame is provided with adjustment grooves on both sides thereof, the adjustment grooves are slidably connected with the adjustment plate, main fixing cones are fixedly installed at both ends of the bottom surface of the adjustment plate, the main fixing cones pass through the bottom of the fixing frame, an adjustment bolt is provided on the upper part of the fixing frame, the adjustment bolt is rotatably connected inside the fixing frame and connected with the adjustment plate, and a cross slot is provided on the top surface of the adjustment bolt; The support unit comprises an extension rod, a slider, a support column, a locking hole, and a placement slot, wherein the placement slot is arranged on the front side of the fixing frame, and two placement slots are provided, wherein the support column is rotatably connected in both placement slots, the extension rod is slidably connected inside the support column, the slider is installed on the top surface of the extension rod, and the slider is slidably connected to the slide slot on the top surface of the support column; The end of the support column connected to the adjustment slot is provided with the locking hole, the locking hole is connected to the locking rod, the locking rod is connected to the pull plate, the inner side of the pull plate is connected to the outer end of the spring, the spring is fixed in the groove, and the groove is opened on the side of the fixing frame; The adjustment unit includes an axis groove, a fixing bolt, a slide, a bracket and a connecting seat. Two connecting seats are provided, and both connecting seats are fixed to the rear side of the fixing frame. The interior of the connecting seat is rotatably connected to the bracket, and the bracket is slidably connected to the slide. The slide is provided with the axis groove, and there are multiple axis grooves. The fixing bolts are inserted into the interiors of the multiple axis grooves, and the fixing bolts are connected to the reinforcement plate.

2. A foundation pit reinforcement device for construction engineering according to claim 1, characterized in that: The surface of the bracket is provided with a screw hole, and there are two screw holes. The two screw holes are threadedly connected to the screw, and a rotating wheel is provided at the front side end of the screw. The screw is rotatably connected to the inside of the slide, and both ends of the rear side of the slide are provided with T-slots, and the T-slots are slidably connected to the T-bar, and the T-bar is connected to the anti-stripping frame. The axial hole on the anti-stripping frame is rotatably connected to the bolt, and the bolt is threadedly connected to the connecting hole on the front side of the T-bar.

3. A foundation pit reinforcement device for construction engineering according to claim 2, characterized in that: The expansion unit includes an expansion plate, two of which are provided, and both of the expansion plates are slidably connected to the plate groove of the reinforcement plate. A telescopic rod is provided on the front side of the expansion plate, and a locking frame is installed on the front end of the telescopic rod. The telescopic rod is arranged inside a through groove, and the through groove is arranged on the surface of the reinforcement plate. Locking grooves are evenly opened on the outer side of the through groove, and the locking grooves are correspondingly plugged into the locking frame.

4. A foundation pit reinforcement device for construction engineering according to claim 3, characterized in that: A mounting groove is provided on the surface of the reinforcing plate, a mounting plate is provided in the mounting groove, the auxiliary fixing cone is fixed to the rear side of the mounting plate, a connecting groove is provided in the middle of the reinforcing plate, the connecting groove is provided on the upper and lower sides of the reinforcing plate, and a connecting rod is inserted in the connecting groove.

5. A foundation pit reinforcement device for construction engineering according to claim 4, characterized in that: An identification frame is fixed on the fixing frame, and an information card is inserted into the identification frame.

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