CN-121992828-A - Embedded fixed knot of foundation ditch supporting construction strain monitoring point constructs

CN121992828ACN 121992828 ACN121992828 ACN 121992828ACN-121992828-A

Abstract

The utility model provides a foundation ditch supporting construction strain monitoring point embedded fixed knot constructs, belongs to foundation ditch supporting construction strain monitoring technology field, including embedded structure, altitude mixture control structure, monitoring structure, the monitoring structure includes the protection frame, the inner chamber bottom fixed mounting of protection frame has the slide rail, the detachable baffle is installed in the articulated of protection frame surface both sides, through the monitoring structure, when the device was used, can use after leveling of adjusting platform top through fixing the strain monitoring appearance, because the dustproof yardage roll that the connecting plate both sides are connected is located the mounting groove inside, make slide rail and external formation seal, so when moving adjusting the platform and making the slider slide on the slide rail, because the setting of spring roller makes dustproof yardage roll have the stretchability, so both sides dustproof yardage roll can follow the removal of connecting plate and stretch or shrink, can guarantee the sealing of slide rail from this all the time, thereby reach the purpose that prevents the grit dust from getting into the slide rail, thereby avoid wearing and tearing can reduce key precision indexes such as straightness and parallelism of slide rail for a long time.

Inventors

LU JUNCHENG
Peng Chengjuan
ZHANG HUAN
CHEN FEI
LIN SEN
YANG JIANDONG
HUANG YUWEN
SUN CONGCONG

Assignees

中交上海航道局有限公司

Dates

Publication Date: 20260508
Application Date: 20260108

Claims (10)

1. The foundation pit supporting structure strain monitoring point embedded type fixing structure comprises an embedded structure (1), a height adjusting structure (2) and a monitoring structure (3), and is characterized in that the monitoring structure (3) comprises a protection frame (31), a sliding rail (32) is fixedly arranged at the bottom of an inner cavity of the protection frame (31), and two sides of the outer surface of the protection frame (31) are hinged with detachable baffles; Mounting groove (33) have been seted up to inside both sides of protection frame (31), the inside fixed mounting of protection frame (31) has division board (34), two sets of spring roll (35) are installed in the inside both sides rotation of protection frame (31), two sets of the surface rolling of spring roll (35) has dustproof yardage roll (36), the surface both sides slidable mounting of slide rail (32) has slider (37), two slider (37) top fixed mounting has connecting plate (38), two the both sides of connecting plate (38) and the tip fixed connection of two sets of dustproof yardage rolls (36), two the top fixed mounting of connecting plate (38) has platform (39) of adjusting, two the top fixed mounting of platform (39) has strain monitoring appearance (310).
2. The foundation pit supporting structure strain monitoring point embedded fixing structure according to claim 1, wherein the embedded structure (1) comprises embedded piles (101), and the embedded piles (101) can be fixed at embedded points through bolts.
3. The foundation pit supporting structure strain monitoring point embedded type fixing structure according to claim 2, wherein a first butt joint plate (102) is clamped on one side of the inner portion of the embedded pile (101), and a second butt joint plate (103) is clamped on the other side of the inner portion of the embedded pile (101).
4. The foundation pit supporting structure strain monitoring point embedded type fixing structure according to claim 1, wherein the height adjusting structure (2) comprises a mounting plate (21), the mounting plate (21) is located in the embedded pile (101), and a sleeve (22) is fixedly installed at the top of the mounting plate (21).
5. The foundation pit supporting structure strain monitoring point embedded type fixing structure according to claim 4, wherein a controller (23) is fixedly arranged on the outer surface of the sleeve (22), and two connecting wires (24) are fixedly arranged in the controller (23).
6. The foundation pit supporting structure strain monitoring point embedded type fixing structure according to claim 5, wherein one end of the top of each connecting wire (24) is fixedly connected with a strain monitor (310), and the lengths of the two connecting wires (24) can be flexibly selected.
7. The foundation pit supporting structure strain monitoring point embedded type fixing structure according to claim 4, wherein a supporting plate (25) is fixedly installed inside the sleeve (22), a threaded rod (26) is rotatably installed inside the supporting plate (25), and the threaded rod (26) is rotatably connected with the sleeve (22).
8. The foundation pit supporting structure strain monitoring point embedded type fixing structure according to claim 4, wherein a rotating rod (210) is rotatably installed in the sleeve (22), and a second bevel gear (211) is fixedly installed at the end portion of the rotating rod (210).
9. The foundation pit supporting structure strain monitoring point embedded fixing structure according to claim 7, wherein a first bevel gear (29) is fixedly arranged on the outer surface of the threaded rod (26), and the outer surface of the first bevel gear (29) is meshed with the outer surface of the second bevel gear (211).
10. The foundation pit supporting structure strain monitoring point embedded fixing structure according to claim 7, wherein a sleeve column (27) is arranged on the outer surface of the threaded rod (26) in a threaded mode, the sleeve column (27) is movably connected with the sleeve (22), and a clamping plate (28) is fixedly arranged at the top of the sleeve column (27).

Description

Embedded fixed knot of foundation ditch supporting construction strain monitoring point constructs Technical Field The invention relates to the technical field of foundation pit supporting strain monitoring, in particular to a foundation pit supporting structure strain monitoring point embedded type fixing structure. Background The foundation pit engineering is a system engineering integrating geological engineering, geotechnical engineering, structural engineering and geotechnical testing technology. The method mainly comprises engineering investigation, supporting structure design and construction, earth excavation and backfill, groundwater control, informatization construction, surrounding environment protection and the like. The simplest and most economical method for foundation pit construction is to enlarge slope excavation, but is often limited by site conditions and surrounding environments, so that a support system is required to be designed to ensure smooth construction and better protect the surrounding environments. Strain gauges are devices used to measure the strain of an object by converting deformation into an electrical signal for monitoring through changes in resistance, capacitance, or inductance. The strain monitoring equipment used in the existing foundation pit supporting structure has certain defects in the actual use process, the position of the equipment can be adjusted through the sliding rail when the existing strain monitoring equipment is used, however, the foundation pit supporting environment is complex, wind sand possibly enters the sliding rail sliding groove to cause abrasion of the clamping shell of the sliding rail, the use effect is affected, and the foundation pit supporting structure strain monitoring point embedded type fixing structure is designed based on the defects of the existing technology. Disclosure of Invention The invention provides an embedded fixing structure for strain monitoring points of a foundation pit supporting structure, which has the advantage of preventing gravel dust from entering a sliding rail, and solves the problems in the prior art. The invention provides a technical scheme that a foundation pit supporting structure strain monitoring point embedded fixing structure comprises an embedded structure, a height adjusting structure and a monitoring structure, wherein the monitoring structure comprises a protection frame, a sliding rail is fixedly arranged at the bottom of an inner cavity of the protection frame, detachable baffles are hinged to two sides of the outer surface of the protection frame, mounting grooves are formed in two sides of the inner part of the protection frame, a partition plate is fixedly arranged in the protection frame, two groups of spring rolls are rotatably arranged on two sides of the inner part of the protection frame, dust-proof rolls are wound on the outer surfaces of the two groups of spring rolls, sliding blocks are slidably arranged on two sides of the outer surface of the sliding rail, connecting plates are fixedly arranged at the tops of the two sliding blocks, two sides of the two connecting plates are fixedly connected with the ends of the two groups of dust-proof rolls, an adjusting platform is fixedly arranged at the tops of the two connecting plates, and strain monitors are fixedly arranged at the tops of the two adjusting platforms. As a preferable technical scheme of the invention, the embedded structure comprises an embedded pile, and the embedded pile can be fixed at an embedded point through a bolt. As an optimized technical scheme of the invention, a first butt joint plate is clamped on one side of the inner part of the embedded pile, and a second butt joint plate is clamped on the other side of the inner part of the embedded pile. As a preferable technical scheme of the invention, the height adjusting structure comprises a mounting plate, wherein the mounting plate is positioned in the embedded pile, and a sleeve is fixedly arranged at the top of the mounting plate. As a preferable technical scheme of the invention, a controller is fixedly arranged on the outer surface of the sleeve, and two connecting wires are fixedly arranged in the controller. As a preferable technical scheme of the invention, one end of the top of each connecting wire is fixedly connected with the strain monitor, and the lengths of the two connecting wires can be flexibly selected. As a preferable technical scheme of the invention, a supporting plate is fixedly arranged in the sleeve, a threaded rod is rotatably arranged in the supporting plate, and the threaded rod is rotatably connected with the sleeve. As a preferable technical scheme of the invention, a rotating rod is rotatably arranged in the sleeve, and a second bevel gear is fixedly arranged at the end part of the rotating rod. As a preferable technical scheme of the invention, the outer surface of the threaded rod is fixedly provided with a first bevel gear, and the ou