Monitoring device for deformation of fender pile body of deep foundation pit of open-cut tunnel

By designing a monitoring device integrating a mobile base, lifting mechanism, movable rotating rod, support rod, clamping support frame, inclination sensor and laser rangefinder, the existing enclosing pile deformation monitoring methods are solved, and efficient and accurate multi-dimensional deformation monitoring is achieved, providing important guarantees for tunnel construction safety.

CN222822363UActive Publication Date: 2025-05-02CHINA RAILWAY ELEVENTH BUREAU GROUP FIFTH ENGINEERING CO LTD +1
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Patent Information

Application Number
CN202421876113.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-05
Publication Date
2025-05-02
Estimated Expiration
2034-08-05

AI Technical Summary

Technical Problem

The existing deformation monitoring methods for enclosing piles rely on manual measurement, with low efficiency, insufficient accuracy and poor real-time performance, making it difficult to meet the needs of modern construction for automated and intelligent monitoring.

Method used

A monitoring device including a mobile base, a lifting mechanism, a movable rotating rod, a support rod, a clamping support frame, an inclination sensor and a laser rangefinder is designed. Through the coordinated work of these components, multi-dimensional real-time monitoring of the deformation of the enclosed pile body is achieved.

Benefits of technology

The device can efficiently and accurately monitor pile deformation, provide real-time multi-dimensional data, improve the automation and intelligence of monitoring, and ensure construction safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a monitoring device for deformation of a fender pile body of a deep foundation pit of an open-cut tunnel, which belongs to the field of construction monitoring and measurement and comprises a movable base, and a lifting mechanism is fixedly connected to the middle of the top of the movable base. The top of the lifting mechanism is movably connected with a movable rotating rod, the top surface of the movable rotating rod is movably connected with a supporting rod, and one side of the surface of the supporting rod is connected with a clamping supporting frame in an embedded mode. During use, the lifting mechanism is combined with the movable rotating rod to ensure that the height and the angle of a monitoring point can be adjusted as required, a stable system formed by the supporting rod, the clamping supporting frame and the clamping frame effectively fixes a monitoring element, data accuracy is ensured, the tilt angle sensor feeds back the tilt state of a pile body in real time, and the monitoring accuracy is improved. The laser range finder accurately measures the deformation distance, and the two are combined to provide multi-dimensional deformation data; monitoring equipment is integrated with an electronic display screen to visually display monitoring data, and a soft light lamp improves the reading comfort; and the problem indicating lamp immediately warns abnormity, thereby facilitating quick response.
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Description

Technical Field

[0001] The utility model relates to the field of construction monitoring and measurement, and more specifically, to a monitoring device for deformation of retaining piles of deep foundation pits of open-cut tunnels. Background Art

[0002] At present, the retaining construction of subway stations mainly includes bored pile retaining structure, ground-connected wall retaining structure, and direct slope excavation. For bored pile retaining structure, the process usually adopts the construction of bored pile + internal support structure first, then the station is built, and finally the tunnel section is constructed. In order to ensure the overall construction safety, it is necessary to pre-embed the pile body inclinometer tube in advance when constructing the retaining pile, and monitor the displacement of the pile body when constructing the station;

[0003] The existing devices have poor functionality, and the traditional methods of monitoring deformation of retaining piles mostly rely on manual measurement, which has problems such as low efficiency, insufficient accuracy, and poor real-time performance. With the rapid development of the Internet of Things, sensor technology, and big data analysis, automated and intelligent monitoring is possible;

[0004] Therefore, in order to solve the above problems, a monitoring device for the deformation of retaining piles of deep foundation pit of open-cut tunnel is proposed. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a monitoring device for deformation of retaining piles of deep foundation pits of open-cut tunnels, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a monitoring device for the deformation of pile bodies of deep foundation pit retaining piles for open-cut tunnels, comprising a mobile base, a lifting mechanism fixedly connected to the middle part of the top of the mobile base; a movable rotating rod movably connected to the top of the lifting mechanism, a supporting rod movably connected to the top surface of the movable rotating rod, a clamping support frame embedded in one side of the surface of the supporting rod, an embedded movable shaft movably connected just in front of the surface of the clamping support frame, a clamping frame fixedly connected just in front of the embedded movable shaft, a supporting shaft fixedly connected to the top of the supporting rod, a connecting shaft penetrating one side of the supporting shaft, an inclination sensor fixedly connected to the bottom of the connecting shaft, a laser rangefinder fixedly connected to one side of the bottom surface of the supporting rod, a monitoring device fixedly connected to one side of the top of the mobile base, an electronic display screen embedded in the surface of the monitoring device, and a problem indicator light embedded in the other side of the surface of the monitoring device.

[0007] Preferably, a soft light is overlapped and connected on one side of the surface of the electronic display screen.

[0008] Preferably, elastic pads are fixedly connected to both sides of the hollow portion of the clamping frame.

[0009] Preferably, the outer wall of the movable rotating rod is connected to the inner wall of the lower half of the supporting rod to form an embedded movable structure.

[0010] Preferably, the inclination sensor is located on one side of the top and is connected and fixed by a connecting shaft and a supporting shaft.

[0011] Preferably, a fixed limiting structure is provided in the middle portion of the bottom of the movable base to form a positioning mechanism.

[0012] Preferably, there are a plurality of soft light lamps located on an outer wall of one side of the surface of the electronic display screen.

[0013] Preferably, the elastic pads are distributed in a symmetrical structure, there are two of them, and they are located on the outer wall of the hollow part of the clamping frame.

[0014] Technical effects and advantages of the utility model:

[0015] Compared with the existing technology, this monitoring device for the deformation of deep foundation pit retaining piles in open-cut tunnels can be flexibly deployed through a mobile base when in use. The combination of the lifting mechanism and the movable rotating rod ensures that the height and angle of the monitoring point can be adjusted as needed. The stable system composed of the support rod, the clamping support frame and the clamping frame effectively fixes the monitoring element to ensure data accuracy. The inclination sensor provides real-time feedback on the inclination state of the pile body, and the laser rangefinder accurately measures the deformation distance. The combination of the two provides multi-dimensional deformation data; the monitoring equipment integrates an electronic display screen to intuitively display the monitoring data, and the soft light improves the reading comfort; the problem indicator light immediately warns of abnormalities, which is convenient for quick response. The overall device is cleverly designed and easy to operate. It can efficiently and accurately monitor the deformation of the pile body, providing important protection for tunnel construction safety. Its modular design facilitates maintenance and upgrading, and adapts to the needs of different construction environments. It is an indispensable monitoring tool in tunnel engineering. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a front view structural schematic diagram of the overall lifting mechanism of the utility model.

[0018] Figure 3 It is a structural schematic diagram of the overall clamping support frame of the utility model from the front view.

[0019] Figure 4 It is a schematic diagram of the overall structure of the monitoring device of the utility model.

[0020] The accompanying drawings are marked as follows: 1. Mobile base; 2. Lifting mechanism; 3. Support rod; 4. Clamping support frame; 5. Embedded movable shaft; 6. Clamping frame; 7. Elastic pad; 8. Movable rotating rod; 9. Laser rangefinder; 10. Support shaft; 11. Monitoring equipment; 12. Electronic display screen; 13. Soft light; 14. Problem indicator light; 15. Connecting shaft; 16. Tilt sensor. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1

[0023] As attached Figure 1-4 The device shown is a monitoring device for the deformation of retaining piles of deep foundation pits of open-cut tunnels, comprising a mobile base 1, a lifting mechanism 2 is fixedly connected to the middle part of the top of the mobile base 1; a movable rotating rod 8 is movably connected to the top of the lifting mechanism 2, a support rod 3 is movably connected to the top surface of the movable rotating rod 8, a clamping support frame 4 is embedded and connected to one side of the surface of the support rod 3, an embedded movable shaft 5 is movably connected just in front of the surface of the clamping support frame 4, a clamping frame 6 is fixedly connected just in front of the embedded movable shaft 5, a support shaft 10 is fixedly connected to the top of the support rod 3, a connecting shaft 15 is penetrated and connected to one side of the support shaft 10, a tilt sensor 16 is fixedly connected to the bottom of the connecting shaft 15, a laser rangefinder 9 is fixedly connected to one side of the bottom of the surface of the support rod 3, a monitoring device 11 is fixedly connected to one side of the top of the mobile base 1, an electronic display screen 12 is embedded and connected to the surface of the monitoring device 11, a problem indicator light 14 is embedded and connected to the other side of the surface of the monitoring device 11, and a soft light 13 is overlapped and connected to one side of the surface of the electronic display screen 12.

[0024] Among them: flexible deployment is achieved through the mobile base 1, the combination of the lifting mechanism 2 and the movable rotating rod 8 ensures that the height and angle of the monitoring point can be adjusted as needed, the support rod 3 and the clamping support frame 4 and the clamping frame 6 form a stable system, which effectively fixes the monitoring elements and ensures data accuracy. The inclination sensor 16 provides real-time feedback on the inclination state of the pile body, and the laser rangefinder 9 accurately measures the deformation distance. The combination of the two provides multi-dimensional deformation data; the monitoring equipment 11 integrates an electronic display screen 12 to intuitively display the monitoring data, and the soft light 13 improves reading comfort; the problem indicator light 14 immediately warns of abnormalities, which is convenient for rapid response. The overall device is cleverly designed and easy to operate. It can efficiently and accurately monitor the deformation of the pile body, providing important protection for tunnel construction safety. Its modular design facilitates maintenance and upgrading, adapts to the needs of different construction environments, and is an indispensable monitoring tool in tunnel engineering.

[0025] Embodiment 2

[0026] Based on the first embodiment, the solution in the first embodiment is further detailed in combination with the following specific working method, as described below:

[0027] like Figure 2 As shown, as a preferred embodiment; elastic pads 7 are fixedly connected on both sides of the hollow part of the clamping frame 6. Furthermore, the elastic pads 7 have key buffering and protective functions. They can reduce the direct friction and impact between the clamping frame and the surrounding pile, protect the surface of the pile from damage, and ensure the stability and accuracy of the monitoring data.

[0028] The working process of the utility model is as follows:

[0029] When in use, the monitoring device for the deformation of the pile body of the deep foundation pit retaining pile of the open-cut tunnel can be flexibly deployed through the mobile base 1. The combination of the lifting mechanism 2 and the movable rotating rod 8 ensures that the height and angle of the monitoring point can be adjusted as needed. The stable system composed of the support rod 3 and the clamping support frame 4 and the clamping frame 6 effectively fixes the monitoring element to ensure data accuracy. The inclination sensor 16 provides real-time feedback on the inclination state of the pile body, and the laser rangefinder 9 accurately measures the deformation distance. The combination of the two provides multi-dimensional deformation data; the monitoring equipment 11 integrates an electronic display screen 12 to intuitively display the monitoring data, and the soft light 13 improves the reading comfort; the problem indicator light 14 immediately warns of abnormalities, which is convenient for rapid response. The overall device is cleverly designed and easy to operate. It can efficiently and accurately monitor the deformation of the pile body, providing important protection for tunnel construction safety. Its modular design facilitates maintenance and upgrading, adapts to the needs of different construction environments, and is an indispensable monitoring tool in tunnel engineering. This is the working process and working principle of the device.

[0030] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0031] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0032] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A monitoring device for deformation of retaining piles of deep foundation pits of open-cut tunnels, comprising a mobile base (1), characterized in that: A lifting mechanism (2) is fixedly connected to the middle portion of the top of the movable base (1); The top of the lifting mechanism (2) is movably connected to a movable rotating rod (8), the top surface of the movable rotating rod (8) is movably connected to a support rod (3), one side of the surface of the support rod (3) is embedded with a clamping support frame (4), the surface of the clamping support frame (4) is movably connected to an embedded movable shaft (5) just in front of the surface, and the clamping frame (6) is fixedly connected just in front of the embedded movable shaft (5), the top of the support rod (3) is fixedly connected to a support shaft (10), one side of the support shaft (10) is penetrated by a connecting shaft (15), the bottom of the connecting shaft (15) is fixedly connected to an inclination sensor (16), the bottom side of the surface of the support rod (3) is fixedly connected to a laser rangefinder (9), the top side of the mobile base (1) is fixedly connected to a monitoring device (11), the surface of the monitoring device (11) is embedded with an electronic display screen (12), and the other side of the surface of the monitoring device (11) is embedded with a problem indicator light (14).

2. The monitoring device for deformation of retaining piles of deep foundation pits of open-cut tunnels according to claim 1 is characterized by: A soft light (13) is overlapped and connected to one side of the surface of the electronic display screen (12).

3. The monitoring device for deformation of retaining piles of deep foundation pits of open-cut tunnels according to claim 1 is characterized by: Elastic pads (7) are fixedly connected to both sides of the hollowed-out portion of the clamping frame (6).

4. The monitoring device for deformation of retaining piles of deep foundation pits of open-cut tunnels according to claim 1 is characterized by: The outer wall of the movable rotating rod (8) is connected to the inner wall of the lower half of the supporting rod (3) to form an embedded movable structure.

5. The monitoring device for deformation of retaining piles of deep foundation pits of open-cut tunnels according to claim 1 is characterized by: The inclination sensor (16) is located on one side of the top and is connected and fixed by the connecting shaft (15) and the supporting shaft (10).

6. The monitoring device for deformation of retaining piles of deep foundation pits of open-cut tunnels according to claim 1 is characterized by: A fixed limiting structure is provided in the middle of the bottom of the movable base (1) to form a positioning mechanism.

7. The monitoring device for deformation of retaining piles of deep foundation pits of open-cut tunnels according to claim 2 is characterized by: The soft light lamps (13) are in a plurality and are located on an outer wall on one side of the surface of the electronic display screen (12).

8. The device for monitoring deformation of retaining piles of deep foundation pits of open-cut tunnels according to claim 3 is characterized by: The elastic pads (7) are distributed in a symmetrical structure, are two in number, and are located on the outer wall of the hollowed-out portion of the clamping frame (6).