Foundation pit supporting structure

Abstract

The utility model discloses a foundation pit supporting structure, and relates to the technical field of foundation pit supporting. The device comprises symmetrically-arranged main rods, adjusting sliding grooves are formed in the bottoms of the main rods, adjusting screw rods are rotationally connected into the adjusting sliding grooves, adjusting sliding blocks are symmetrically and slidably connected into the adjusting sliding grooves, one ends of the adjusting sliding blocks are in threaded connection with the adjusting screw rods, and one ends of the adjusting screw rods penetrate through the main rods and are fixedly connected with adjusting handles. A supporting rod is fixedly connected to the bottom of the adjusting sliding block, a clamping groove set is formed in one side of the supporting rod, and a clamping plate set is arranged in the clamping groove set. The adjusting handle is rotated to drive the adjusting screw rod to drive the two adjusting sliding blocks to move away from each other in the length direction of the adjusting screw rod, meanwhile, the two supporting rods are driven to get close to the two sides of the small foundation pit, and then the clamping groove sets are matched with the clamping plate sets to form supporting along with the supporting rods and the inner wall of the small foundation pit; and then the adjusting screw rod is fixed by screwing the locking assembly.

Description

Technical Field

[0001] The present application relates to the technical field of foundation pit support, and in particular to a foundation pit support structure. Background Art

[0002] Foundation pit support technology refers to a series of engineering measures and technical means taken in the construction of buildings, transportation, water conservancy and other projects to ensure the stability and safety of the foundation pit, while protecting the surrounding environment, and ensuring the quality of the project and construction safety. Among them, during the foundation pit support construction process, it is necessary to build a foundation pit support structure to enhance and fix the stability and bearing capacity of the soil.

[0003] A building foundation pit support structure mentioned in the existing Chinese public patent authorization announcement number: CN220266583U relates to the technical field of foundation pit support; and the utility model includes symmetrically distributed support columns and support plates, and an adjustment mechanism is rotatably provided between the upper ends of the two support columns, and a symmetrically distributed first fixed pile is fixedly passed through the middle of the support plate, and a fixing device is arranged inside the first fixed pile; by arranging a motor, a first bidirectional screw, a sliding block and a connecting rod, the first bidirectional screw is driven to rotate by turning on the driving end of the motor, so that each sliding block of the chain is close to each other on the first bidirectional screw, and the connecting rod moves with the position of the sliding block, so that the support plate is fitted with the soil surface, and when the connecting rod is vertically parallel to the support plate, the support plate is completely and tightly fitted with the soil surface, and at this time, the two first fixed piles on the support plate are inserted into the soil for fixing, so that no gap will appear, preventing the soil from falling off, and increasing the tightness of the support plate to the soil surface of the inner wall of the foundation pit.

[0004] However, when supporting a small foundation pit, the prior art uses a first bidirectional screw to rotate and drive the support plate to fit the soil surface, which will occupy the bottom construction area, limit the construction space, increase the difficulty of earth excavation, and reduce construction efficiency. Utility Model Content

[0005] The purpose of the present application is to solve the problem that when supporting a small foundation pit, the prior art uses a first bidirectional screw to rotate and drive the support plate to fit into the soil surface, which will occupy the bottom construction area, limit the construction space, increase the difficulty of earth excavation, and reduce construction efficiency. The present application provides a foundation pit support structure.

[0006] In order to achieve the above-mentioned purpose, this application specifically adopts the following technical solutions:

[0007] A foundation pit support structure comprises a symmetrically arranged main rod, the bottom of the main rod is provided with an adjusting slot, the interior of the adjusting slot is rotatably connected to an adjusting screw, and the interior of the adjusting slot is symmetrically slidably connected to an adjusting slider, one end of the adjusting slider is threadedly connected to the adjusting screw, one end of the adjusting screw passes through the main rod and is fixedly connected to an adjusting handle, the bottom of the adjusting slider is fixedly connected to a support rod, one side of the support rod is provided with a clamping groove group, a clamping plate group is arranged inside the clamping groove group, and one end of the adjusting handle is installed with a locking assembly for fixing the adjusting screw.

[0008] By adopting the above technical scheme, by setting the locking assembly in cooperation with the adjusting screw and the adjusting handle, first, by turning the adjusting handle to drive the adjusting screw to drive the two adjusting sliders to move away from each other along the length direction of the adjusting screw, and at the same time drive the two support rods to move closer to the two sides of the small foundation pit, and then use the clamping groove group to cooperate with the splint group to form a support with the support rod and the inner wall of the small foundation pit, and then tighten the locking assembly to fix the adjusting screw, so that it is convenient to set the main rod at the top of the support rod, and use the support rod to cooperate with the splint group to fit the inner wall of the small foundation pit, which effectively reduces the occupation of the internal construction area of ​​the small foundation pit by the device, thereby reducing the difficulty of earth excavation and improving construction efficiency.

[0009] Furthermore, the clamping slot group includes three expansion slots evenly opened on one side of the support rod, and the clamping plate group includes three expansion plates respectively inserted in the three expansion slots.

[0010] By adopting the above technical solution and setting the expansion slots and the expansion plates for use together, it is convenient to insert the expansion plates into the three expansion slots from bottom to top in sequence according to the depth of the foundation pit, so as to expand the support area of ​​the support rods on the inner wall of the foundation pit, thereby effectively improving the support effect of the device and expanding the support range.

[0011] Furthermore, the locking assembly includes a locking screw fixedly connected to one end of the adjusting handle, one end of the locking screw is threadedly connected to a locking nut, and one end of the locking nut is tightly fitted with the main rod.

[0012] By adopting the above technical solution, by setting the locking nut and the locking screw for use together, tightening or loosening the locking nut can form a close fit with or release the fit with the inner wall of the main rod, thereby completing the fixation or release of the adjustment handle and the adjustment screw.

[0013] Furthermore, an annular gasket is sleeved on one end of the locking screw, and the annular gasket is installed between the locking nut and the main rod.

[0014] By adopting the above technical solution, by setting the annular gasket and the locking nut for use in combination, the contact area between the locking nut and the main rod is effectively increased, the friction between the locking nut and the main rod is strengthened, and the stability of the locking nut is improved.

[0015] Furthermore, four inner corners of the expansion slot are fixedly connected with positioning rods, and one end of the expansion plate is symmetrically provided with positioning holes adapted to the positioning rods.

[0016] By adopting the above technical solution and setting the positioning rod and the positioning hole in cooperation, the expansion plate can be supported and positioned by the positioning rod along the length direction of the expansion plate, thereby reducing the situation where the expansion plate is offset and detached from the expansion slot due to the resistance of the inner wall of the foundation pit, thereby improving the practicality of the device.

[0017] Furthermore, a monitoring groove is opened on one side of the support rod, an infrared monitoring instrument transmitter is fixedly connected to the inner top of the monitoring groove, an infrared monitoring instrument receiver adapted to the infrared monitoring instrument transmitter is fixedly connected to the inner bottom of the monitoring groove, a plurality of guide slide bars are evenly penetrated at one end of the support rod, one end of the guide slide bar extends to the interior of the monitoring groove and is fixedly connected to a shielding ball, and a transmission assembly for driving the guide slide bar to move in a direction perpendicular to the length of the support rod is installed on one side of the support rod.

[0018] By adopting the above technical scheme, by setting the transmission component and the coordinated use of the expansion slot and the shielding ball, when the inner wall of the foundation pit supported by the support rod is deformed, the transmission component uses the deformation energy of the foundation pit to push the guide slide rod to drive the shielding ball to move between the infrared monitor transmitter and the infrared monitor receiver, so that one end of the shielding ball forms a shield against the infrared monitoring light emitted by the infrared monitor transmitter. At this time, the infrared monitor receiver sends a foundation pit inner wall deformation alarm to the staff through the external alarm device, thereby effectively forming the monitoring of the inner wall deformation of the foundation pit and improving the safety of the device.

[0019] Furthermore, the transmission assembly includes a plurality of transmission grooves evenly arranged on one side of the support rod, a transmission slide is slidably connected inside the transmission groove, one end of the transmission slide is fixedly connected to the guide slide rod, one end of the guide slide rod is sleeved with an ejection spring, and the ejection spring is installed between the transmission slide rod and the transmission groove.

[0020] By adopting the above technical scheme, by setting the transmission slide groove, the transmission slide plate and the ejection spring for coordinated use, it is convenient to utilize the rebound of the ejection spring to eject the transmission slide plate to fit with the inner wall of the foundation pit, and then when the inner wall of the foundation pit is deformed, the transmission slide plate is forced to retract into the interior of the transmission slide groove, and the ejection spring is squeezed to push the guide slide rod through the support rod and inserted into the interior of the monitoring groove, so as to facilitate the transmission of the deformation energy of the inner wall of the foundation pit to the guide slide rod.

[0021] Furthermore, the surfaces of the adjusting screw, the adjusting slider and the ejection spring are all coated with a silicone waterproof coating.

[0022] By adopting the above technical solution and providing an organic silicon waterproof coating, the corrosion resistance of the device is effectively improved and the service life of the device is extended.

[0023] In summary, the present application includes at least one of the following beneficial effects:

[0024] 1. By setting the locking assembly in cooperation with the adjusting screw and the adjusting handle, firstly, the adjusting screw is driven by rotating the adjusting handle to drive the two adjusting sliders to move away from each other along the length direction of the adjusting screw, and at the same time, the two support rods are driven to move closer to the two sides of the small foundation pit, and then the clamping groove group is used to cooperate with the splint group to form a support with the support rod and the inner wall of the small foundation pit, and then the adjusting screw is fixed by tightening the locking assembly, so that it is convenient to set the main rod on the top of the support rod, and use the support rod to cooperate with the splint group to fit the inner wall of the small foundation pit, which effectively reduces the occupation of the internal construction area of ​​the small foundation pit by the device, thereby reducing the difficulty of earth excavation and improving construction efficiency.

[0025] 2. By setting up the transmission component for use with the expansion slot and the shielding ball, when the inner wall of the foundation pit supported by the support rod is deformed, the transmission component uses the deformation energy of the foundation pit to push the guide slide rod to drive the shielding ball to move between the infrared monitor transmitter and the infrared monitor receiver, so that one end of the shielding ball blocks the infrared monitoring light emitted by the infrared monitor transmitter. At this time, the infrared monitor receiver sends an alarm of the deformation of the inner wall of the foundation pit to the staff through the external alarm device, thereby effectively monitoring the deformation of the inner wall of the foundation pit and improving the safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the three-dimensional structure of the device body in this application.

[0027] Figure 2 It is a side cross-sectional view of the device body in this application.

[0028] Figure 3 yes Figure 2 Enlarged view of point A in the middle.

[0029] Figure 4 It is an exploded view of the internal structure of the expansion slot in this application.

[0030] Figure 5 It is an exploded diagram of the internal structure of the monitoring tank in this application.

[0031] Description of reference numerals:

[0032] 1. Main rod; 2. Adjusting slide; 3. Adjusting screw; 4. Adjusting slider; 5. Adjusting handle; 6. Support rod; 7. Expansion slot; 8. Expansion plate; 9. Locking screw; 10. Locking nut; 11. Ring gasket; 12. Positioning rod; 13. Positioning hole; 14. Monitoring slot; 15. Infrared monitor transmitter; 16. Infrared monitor receiver; 17. Guide slide; 18. Shielding ball; 19. Transmission slide; 20. Transmission slide; 21. Ejection spring. DETAILED DESCRIPTION

[0033] The following is combined with Figure 1-5 This application is described in further detail.

[0034] An embodiment of the present application discloses a foundation pit support structure.

[0035] Reference Figure 1-Figure 4 , a foundation pit support structure, comprising a symmetrically arranged main rod 1, an adjusting chute 2 is provided at the bottom of the main rod 1, an adjusting screw 3 is rotatably connected inside the adjusting chute 2, and an adjusting slider 4 is symmetrically slidably connected inside the adjusting chute 2, one end of the adjusting slider 4 is threadedly connected to the adjusting screw 3, one end of the adjusting screw 3 passes through the main rod 1 and is fixedly connected to an adjusting handle 5, a supporting rod 6 is fixedly connected to the bottom of the adjusting slider 4, a clamping groove group is provided on one side of the supporting rod 6, a clamping plate group is provided inside the clamping groove group, and a locking assembly for fixing the adjusting screw 3 is installed at one end of the adjusting handle 5;

[0036] The clamping slot group includes three expansion slots 7 evenly arranged on one side of the support rod 6, and the clamping plate group includes three expansion plates 8 respectively inserted into the three expansion slots 7;

[0037] Moreover, the locking assembly includes a locking screw 9 fixedly connected to one end of the adjusting handle 5, one end of the locking screw 9 is threadedly connected to a locking nut 10, and one end of the locking nut 10 is tightly fitted with the main rod 1;

[0038] Furthermore, an annular gasket 11 is sleeved on one end of the locking screw 9 , and the annular gasket 11 is installed between the locking nut 10 and the main rod 1 .

[0039] When in use, first loosen the locking nut 10 manually to move the locking screw 9 away from the main rod 1 along the length direction of the locking screw 9, thereby releasing the fixation of the adjusting screw 3, and then turn the adjusting handle 5 to drive the adjusting screw 3 to form a threaded connection with the adjusting slider 4, and drive the two adjusting sliders 4 to drive the two support rods 6 to move away from each other along the length direction of the adjusting screw 3, so that the two support rods 6 are brought closer to the two sides of the small foundation pit. At this time, the expansion plate 8 is manually pulled into the expansion slot 7, and as the support rod 6 and the inner wall of the small foundation pit are brought closer, the expansion plate 8 is clamped between the support rod 6 and the inner wall of the small foundation pit. The locking nut 10 is then tightened to bring the main rod 1 closer along the length of the locking screw 9, and the locking nut 10 pushes the annular gasket 11 to fit closely with one side of the main rod 1 along the length direction of the locking screw 9, thereby fixing the adjusting screw 3 and reducing the loosening of the support rod 6 on the inner wall of the foundation pit. This makes it easy to set the main rod 1 on the top of the support rod 6 and use the support rod 6 and the expansion plate 8 to fit the inner wall of the small foundation pit, effectively reducing the occupation of the internal construction area of ​​the small foundation pit by the device, thereby reducing the difficulty of earth excavation and improving construction efficiency.

[0040] Reference Figure 1 and Figure 4 The four inner corners of the expansion slot 7 are fixedly connected with positioning rods 12, and one end of the expansion plate 8 is symmetrically provided with positioning holes 13 adapted to the positioning rods 12.

[0041] When in use, the positioning hole 13 is first aligned with the positioning rod 12 by pulling the expansion plate 8, and then the expansion plate 8 is pulled and moved toward the inside of the expansion slot 7 along the length direction of the positioning rod 12, so that the expansion plate 8 drives the positioning rod 12 to be inserted into the inside of the positioning hole 13, so that the expansion plate 8 is supported and positioned by the positioning rod 12 along the length direction of the expansion plate 8, thereby reducing the situation in which the expansion plate 8 is offset and detached from the expansion slot 7 due to the resistance of the inner wall of the foundation pit, thereby improving the practicability of the device.

[0042] Reference Figure 2 and Figure 4 , Figure 5 A monitoring slot 14 is provided on one side of the support rod 6, an infrared monitoring instrument transmitter 15 is fixedly connected to the inner top of the monitoring slot 14, an infrared monitoring instrument receiver 16 adapted to the infrared monitoring instrument transmitter 15 is fixedly connected to the inner bottom of the monitoring slot 14, a plurality of guide slide bars 17 are evenly penetrated at one end of the support rod 6, one end of the guide slide bar 17 extends to the inside of the monitoring slot 14, and a shielding ball 18 is fixedly connected thereto, and a transmission assembly for driving the guide slide bar 17 to move along a direction perpendicular to the length of the support rod 6 is installed on one side of the support rod 6;

[0043] Among them, the transmission assembly includes a plurality of transmission grooves 19 evenly opened on one side of the support rod 6, and a transmission slide 20 is slidably connected inside the transmission groove 19. One end of the transmission slide 20 is fixedly connected to the guide slide 17, and one end of the guide slide 17 is sleeved with an ejection spring 21, which is installed between the transmission slide 20 and the transmission groove 19.

[0044] When in use, first, when the driving support rod 6 pushes the expansion plate 8 to form a support with the inner wall of the foundation pit, the support rod 6 drives the transmission slide plate 20 to fit with the inner wall of the foundation pit. At this time, the ejection spring 21 rebounds and ejects the transmission slide plate 20, so that the transmission slide plate 20 forms a conflict with the inner wall of the foundation pit along the length direction of the guide slide bar 17, and then the infrared monitoring instrument transmitter 15 and the infrared monitoring instrument receiver 16 are started to emit infrared monitoring light. Then, when the inner wall of the foundation pit supported by the support rod 6 is deformed, the inner wall of the foundation pit pushes the transmission slide plate 20 to retract into the transmission slide groove 19, and at the same time, the transmission slide plate 20 is moved along the guide slide bar 17. The ejection spring 21 is squeezed in the length direction of the slide bar 17 to produce a contraction deformation, and the transmission slide plate 20 drives one end of the guide slide bar 17 to pass through the support rod 6, and drives the shielding ball 18 to move along the length direction of the guide slide bar 17 to between the infrared monitor transmitter 15 and the infrared monitor receiver 16, so that one end of the shielding ball 18 forms a shield for the infrared monitoring light emitted by the infrared monitor transmitter 15. At this time, the infrared monitor receiver 16 sends a foundation pit inner wall deformation alarm to the staff through an external alarm device, thereby effectively forming a monitoring of the inner wall deformation of the foundation pit and improving the safety of the device.

[0045] Reference Figure 2 and Figure 5 The surfaces of the adjusting screw 3, the adjusting slider 4 and the ejection spring 21 are all coated with a silicone waterproof coating.

[0046] When in use, by coating the surfaces of the adjusting screw 3, the adjusting slider 4 and the ejection spring 21 with a silicone waterproof coating, it is convenient to form an anti-corrosion layer on the surfaces of the adjusting screw 3, the adjusting slider 4 and the ejection spring 21, thereby effectively improving the anti-corrosion properties of the surfaces of the adjusting screw 3, the adjusting slider 4 and the ejection spring 21 and extending the service life of the adjusting screw 3, the adjusting slider 4 and the ejection spring 21.

[0047] The implementation principle of the foundation pit support structure of the present embodiment is as follows: first, manually loosen the locking nut 10 to move away from the main rod 1 along the length direction of the locking screw 9, thereby releasing the fixation of the adjusting screw 3, and then rotate the adjusting handle 5 to drive the adjusting screw 3 to form a threaded connection with the adjusting slider 4, and drive the two adjusting sliders 4 to drive the two support rods 6 to move away from each other along the length direction of the adjusting screw 3, so that the two support rods 6 are brought closer to the two sides of the small foundation pit, at this time, the expansion plate 8 is manually pulled into the expansion slot 7, and as the support rod 6 and the inner wall of the small foundation pit are brought closer, the expansion plate 8 is clamped between the support rod 6 and the inner wall of the small foundation pit, and the inner wall of the small foundation pit is supported, and then the main rod 1 is brought closer along the length of the locking screw 9 by tightening the locking nut 10, and the locking nut 10 pushes the annular gasket 11 to be tightly attached to one side of the main rod 1 along the length direction of the locking screw 9, thereby achieving the fixation of the adjusting screw 3 and reducing the loosening of the support rod 6 on the inner wall of the foundation pit;

[0048] Then, the ejection spring 21 is used to rebound and eject the transmission slide plate 20, so that the transmission slide plate 20 forms a conflict with the inner wall of the foundation pit along the length direction of the guide slide bar 17, and the infrared monitoring light is emitted by starting the infrared monitoring instrument transmitter 15 and the infrared monitoring instrument receiver 16. Then, when the inner wall of the foundation pit supported by the support rod 6 is deformed, the inner wall of the foundation pit pushes the transmission slide plate 20 to retract into the interior of the transmission slide groove 19, and at the same time, the transmission slide plate 20 squeezes the ejection spring 21 along the length direction of the guide slide bar 17 to produce a contraction deformation, and the transmission slide plate 20 drives one end of the guide slide bar 17 to pass through the support rod 6, and drives the shielding ball 18 to move along the length direction of the guide slide bar 17 to between the infrared monitoring instrument transmitter 15 and the infrared monitoring instrument receiver 16, so that one end of the shielding ball 18 forms a shielding against the infrared monitoring light emitted by the infrared monitoring instrument transmitter 15. At this time, the infrared monitoring instrument receiver 16 sends a deformation alarm of the inner wall of the foundation pit to the staff through an external alarm device.

Claims

1. A foundation pit support structure, comprising symmetrically arranged main rods (1), characterized in that: The bottom of the main rod (1) is provided with an adjusting slot (2), the inside of the adjusting slot (2) is rotatably connected with an adjusting screw (3), and the inside of the adjusting slot (2) is symmetrically slidably connected with an adjusting slider (4), one end of the adjusting slider (4) is threadedly connected to the adjusting screw (3), one end of the adjusting screw (3) passes through the main rod (1) and is fixedly connected with an adjusting handle (5), the bottom of the adjusting slider (4) is fixedly connected with a support rod (6), one side of the support rod (6) is provided with a clamping slot group, the inside of the clamping slot group is provided with a clamping plate group, and one end of the adjusting handle (5) is installed with a locking assembly for fixing the adjusting screw (3).

2. A foundation pit support structure according to claim 1, characterized in that: The clamping slot group comprises three expansion slots (7) evenly arranged on one side of the support rod (6), and the clamping plate group comprises three expansion plates (8) respectively inserted into the three expansion slots (7).

3. A foundation pit support structure according to claim 1, characterized in that: The locking assembly comprises a locking screw (9) fixedly connected to one end of the adjusting handle (5), one end of the locking screw (9) being threadedly connected to a locking nut (10), and one end of the locking nut (10) being tightly fitted to the main rod (1).

4. A foundation pit support structure according to claim 3, characterized in that: An annular gasket (11) is sleeved on one end of the locking screw (9), and the annular gasket (11) is installed between the locking nut (10) and the main rod (1).

5. A foundation pit support structure according to claim 2, characterized in that: The four inner corners of the expansion slot (7) are all fixedly connected with positioning rods (12), and one end of the expansion plate (8) is symmetrically provided with positioning holes (13) adapted to the positioning rods (12).

6. A foundation pit support structure according to claim 1, characterized in that: A monitoring slot (14) is provided on one side of the support rod (6); an infrared monitoring instrument transmitter (15) is fixedly connected to the inner top of the monitoring slot (14); an infrared monitoring instrument receiver (16) adapted to the infrared monitoring instrument transmitter (15) is fixedly connected to the inner bottom of the monitoring slot (14); a plurality of guide slide bars (17) are evenly penetrated through one end of the support rod (6); one end of the guide slide bar (17) extends into the interior of the monitoring slot (14) and is fixedly connected to a shielding ball (18); and a transmission assembly for driving the guide slide bar (17) to move along a direction perpendicular to the length of the support rod (6) is installed on one side of the support rod (6).

7. A foundation pit support structure according to claim 6, characterized in that: The transmission assembly comprises a plurality of transmission slide grooves (19) uniformly arranged on one side of the support rod (6); a transmission slide plate (20) is slidably connected inside the transmission slide groove (19); one end of the transmission slide plate (20) is fixedly connected to the guide slide rod (17); one end of the guide slide rod (17) is sleeved with an ejection spring (21); the ejection spring (21) is installed between the transmission slide plate (20) and the transmission slide groove (19).

8. A foundation pit supporting structure according to claim 7, characterized in that: The surfaces of the adjusting screw (3), the adjusting slider (4) and the ejection spring (21) are all coated with an organic silicon waterproof coating.

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