Real-time monitoring and early warning device for shield tail gap of duct piece

By designing a real-time monitoring device for the tail section gap that integrates easy-to-install and easy-to-remove mounting and protective components, the problems of dust interference and poor flexibility in existing technologies have been solved, achieving efficient and accurate tail section gap detection.

CN223954900UActive Publication Date: 2026-02-27CHINA FIRST HIGHWAY ENGINEERING CO LTD +1
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Patent Information

Application Number
CN202423258811.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2026-02-27
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

Existing shield tail gap monitoring devices are susceptible to dust in complex environments and are not convenient for multi-location detection, affecting detection accuracy and flexibility.

Method used

A real-time monitoring device for the gap between the tunnel segment and the shield tail was designed, which includes installation components and protection components. The device is easy to install and disassemble using a spring and bolt structure. Combined with a laser rangefinder alarm and a protective plate, dust interference is reduced and the adaptability and sealing of the device are improved.

Benefits of technology

It enables efficient and accurate shield tail gap detection in complex environments, improves the flexibility and lifespan of the detection device, and ensures detection quality and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a duct piece shield tail gap real-time monitoring and early warning device which comprises an installation assembly used for installation, the installation assembly comprises an installation plate, the lower surface of the installation plate is fixedly connected with the side surface of a telescopic rod, and the two sides of a reinforcing plate are slidably connected with limiting plates. The utility model relates to the technical field of shield tail gap monitoring and early warning. According to the real-time monitoring and early warning device for the duct piece shield tail gap, a part which does not affect a machine is found firstly, then the reinforcing plate is pulled open towards the outer side, then bolts penetrate through the mounting holes and are screwed on the surface of the machine, and when the mounting position is small, the reinforcing plate is pulled out; the reinforcing plate is firstly pushed inwards, then the mounting holes in the reinforcing plate are aligned with the mounting holes in the mounting plate, and then the mounting plate and the reinforcing plate are screwed on the surface of a machine together through bolts, so that different detection requirements and environments can be met more quickly, and the problems that the detection device is poor in flexibility and high in reliability are solved. The detection efficiency and accuracy are improved, and the adaptability is enhanced. And the beneficial effects are achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to shield tail gap monitoring and early warning technical field, concretely is a kind of segment shield tail gap real-time monitoring and early warning device. BACKGROUND

[0002] Segment shield tail gap real-time monitoring and early warning device is an important equipment in the process of shield construction, it can effectively guarantee the safety and quality of shield construction, through real-time monitoring and early warning, can effectively avoid the quality problems such as segment breakage, water leakage caused by shield tail gap problem, and shield tail brush damage, shield machine failure and other safety problems.

[0003] Patent publication number "CN111636881B" discloses "shield tail gap monitoring device", including: mounting seat, it includes fixed on the shield machine shield shell rib plate fixed bottom plate, and the positioning plate detachably arranged on fixed bottom plate;Shield tail gap monitor, it is fixed on positioning plate, and make the laser beam of laser in shield tail gap monitor from the gap between two support boots.

[0004] The above-mentioned patent through the extension of hydraulic cylinder in the process of shield machine normal tunneling, and segment assembling machine rotates in the process of segment assembling, will not affect the normal work of shield tail gap monitoring device, provides necessary prerequisite for real-time and continuity measurement of shield tail gap.But the device works in complex environment, device surface is easy to cover more dust and thus affect the detection of distance of equipment, at the same time, when more detection positions need to be arranged in complex working environment, the device is not convenient to add automatically, thus hinder the work.

[0005] Therefore, the utility model provides a kind of segment shield tail gap real-time monitoring and early warning device to solve above-mentioned problems. UTILITY MODEL CONTENT

[0006] In view of the deficiencies of the prior art, the utility model provides a kind of segment shield tail gap real-time monitoring and early warning device, solves the above-mentioned problems.

[0007] To achieve the above object, the utility model is realized by the following technical scheme: a kind of segment shield tail gap real-time monitoring and early warning device, including installation component for installation, the installation component includes mounting plate, the lower surface of the mounting plate is fixedly connected with the side surface of telescopic rod, every two adjacent telescopic rod is a group and is fixedly connected between end, the output end of the telescopic rod is fixedly connected with the inner side surface of reinforcing plate, the both sides of the reinforcing plate are slidably connected with limit plate, the inner side surface of the top end of the limit plate is fixedly connected in mounting plate side surface.

[0008] Further, the inside surface of the reinforcing plate is fixedly connected with one end of a spring, the other end of the spring is fixedly connected with the side surface of the telescopic rod, the limiting plates are four in number and are uniformly distributed at the four corners of the side surface of the mounting plate, the mounting hole is arranged on the upper surface of the reinforcing plate.

[0009] By the spring, the device can be folded before use, so that the device is convenient to move.

[0010] Further, the mounting frame is fixedly connected with the center of the upper surface of the mounting plate, and the laser ranging alarm is movably connected with the inner wall of the mounting frame.

[0011] By the mounting frame, the laser ranging alarm can be stably arranged in the device, and the laser ranging alarm is convenient to replace.

[0012] Further, the mounting plate is provided with a protection assembly, the protection assembly comprises a supporting column, and the bottom end of the supporting column is fixedly connected with the four corners of the upper surface of the mounting plate.

[0013] By the supporting column, the device is more stable.

[0014] Further, the top end of the supporting column is movably connected with a protection plate, a square groove is arranged in the center of the protection plate, a glass plate is fixedly connected with the inner wall of the square groove, the lower surface of the protection plate is fixedly connected with the upper surface of a protection plate, and the lower surface of the protection plate is movably connected with the upper surface of the mounting plate.

[0015] By arranging the glass plate, the interference on the laser ranging alarm is reduced, and by the protection plate, the dust entering the device is less.

[0016] Further, strip grooves are arranged at the two sides of the protection plate, threaded holes are arranged at the four corners of the protection plate, and the threaded holes are arranged at the top end of the supporting column.

[0017] By the bolts, the protection plate and the supporting column are connected together, so that the device is convenient to disassemble and maintain.

[0018] Advantages

[0019] The utility model provides a kind of pipe piece shield tail gap real-time monitoring and early warning device.Compared with prior art, it has the following advantages:

[0020] 1. The pipe segment shield tail gap real-time monitoring and early warning device, by first finding the part that will not affect the machine, then pulling the reinforcing plate outward, then passing through the mounting hole and tightening on the surface of the machine through the bolt, when the installation position is small, first push the reinforcing plate inward, then align the mounting hole on the reinforcing plate and the mounting hole on the mounting plate, and then tighten the mounting plate and the reinforcing plate together on the surface of the machine, so that different detection requirements and environment can be adapted faster, the poor flexibility of the detection device is avoided, and the beneficial effects of improving detection efficiency and accuracy and enhancing adaptability are realized.

[0021] 2. The pipe segment shield tail gap real-time monitoring and early warning device, by unscrewing the bolt to take down the protection plate and the protection plate, then installing the laser ranging alarm in the mounting frame, then putting back the protection plate and the protection plate and tightening the bolt to fix the protection plate and the support column together, so that the sealing performance of the device is better, the poor detection result and the short service life of the monitoring device caused by dust accumulation are avoided, and the beneficial effects of ensuring the detection work quality of the monitoring device and prolonging the service life of the device are realized. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiment of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0023] Figure 1 is the external structure perspective view of the present application;

[0024] Figure 2 is the structure side view of the present application;

[0025] Figure 3 is the structure bottom view of the present application;

[0026] Figure 4 is the partial structure sectional view of the present application.

[0027] In the figure: 1, mounting assembly; 101, mounting plate; 102, spring; 103, telescopic rod; 104, mounting hole; 105, limiting plate; 106, reinforcing plate; 107, mounting frame; 108, laser ranging alarm; 2, protection assembly; 201, support column; 202, protection plate; 203, strip-shaped groove; 204, threaded hole; 205, protection plate; 206, square groove; 207, glass plate. DETAILED DESCRIPTION

[0028] It should be noted that in the description of the embodiments of the present application, the terms "front, back, left, right, top, bottom" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are merely for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] The present application will be further described in detail below with the aid of drawings and examples.

[0030] Referring to Figures 1 to 4 The present application provides a kind of pipe segment shield tail gap real-time monitoring and early warning device, including installation component 1 for installation, installation component 1 includes mounting plate 101, mounting plate 101 lower surface is fixedly connected with the side surface of telescopic rod 103, every two adjacent telescopic rod 103 is a group and is fixedly connected between end, telescopic rod 103 output end is fixedly connected with the inner side surface of reinforcing plate 106, reinforcing plate 106 both sides are slidably connected with limit plate 105, the inner side surface of limit plate 105 top end is fixedly connected on the side surface of mounting plate 101. Reinforcing plate 106 inner side surface is fixedly connected with one end of spring 102, the other end of spring 102 is fixedly connected on the side surface of telescopic rod 103, limit plate 105 number is four and evenly distributed on the side surface of mounting plate 101 four corners, mounting hole 104 is set on the upper surface of reinforcing plate 106, mounting hole 104 is set on the upper surface of mounting plate 101.

[0031] In the embodiment, when pulling reinforcing plate 106 outward, spring 102 will stretch, when pushing reinforcing plate 106 inward, spring 102 will compress, when reinforcing plate 106 is pushed back completely, the position of mounting hole 104 on reinforcing plate 106 and mounting hole 104 on mounting plate 101 is aligned.

[0032] Referring to Figures 1 to 4 In one aspect of the present application, mounting plate 101 upper surface center is fixedly connected with mounting frame 107, and mounting frame 107 inner wall is movably connected with laser ranging alarm 108.

[0033] In the embodiment, the size of mounting frame 107 is slightly larger than the periphery of laser ranging alarm 108, which can reduce the weight of the device while ensuring the stability of laser ranging alarm 108.

[0034] Referring to Figures 1 to 4In one aspect of the embodiment, the upper surface of the mounting plate 101 is provided with a protection assembly 2, which includes support columns 201 fixedly connected at the bottom to the upper surface of the mounting plate 101 at the four corners.

[0035] In the embodiment, the reinforcing plate 106 is first pulled outward to a position that does not affect the machine, then the bolt is passed through the mounting hole 104 and screwed onto the surface of the machine. When the installation position is small, the reinforcing plate 106 is first pushed inward, then the mounting hole 104 on the reinforcing plate 106 is aligned with the mounting hole 104 on the mounting plate 101, and finally the mounting plate 101 and the reinforcing plate 106 are screwed together onto the surface of the machine, so that different detection requirements and environments can be quickly adapted to, the detection device is flexible, the detection efficiency and accuracy are improved, and the adaptability is enhanced.

[0036] Referring to Figures 1 to 4 In one aspect of the embodiment, the top end of the support column 201 is movably connected with a protection plate 202, a square slot 206 is formed in the center of the protection plate 202, a glass plate 207 is fixedly connected to the inner wall of the square slot 206, and a protective plate 205 is fixedly connected to the upper surface of the protection plate 202.

[0037] In the embodiment, when the protection plate 202 is fixed to the top end of the support column 201, the positions of the glass plate 207 and the laser ranging alarm 108 correspond.

[0038] Referring to Figures 1 to 4 In one aspect of the embodiment, strip-shaped slots 203 are formed on both sides of the protection plate 202, and threaded holes 204 are formed at the top end of the support column 201.

[0039] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0040] Working principle: the protection plate 202 and the protective plate 205 are removed by unscrewing the bolts, the laser ranging alarm 108 is installed in the mounting frame 107, then the protection plate 202 and the protective plate 205 are put back and the bolts are tightened to fix the protection plate 202 and the support column 201 together, so that the sealing performance of the device is better, the detection result is better and the service life of the monitoring device is shortened due to dust accumulation, the working quality of the monitoring device is ensured, and the service life of the device is improved.

[0041] It is to be understood that the terminology used herein such as first and second, and the like, is only used to distinguish one entity or action from another entity or action, and does not necessarily require or imply any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0042] While embodiments of the present application have been shown and described with reference to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. The scope of the application is thus defined by the appended claims and their equivalents.

Claims

1. A device for real-time monitoring and early warning of the tail gap between segments of a shield tunnel, comprising a mounting assembly (1) for mounting, characterized in that: The mounting assembly (1) includes a mounting plate (101), the lower surface of the mounting plate (101) is fixedly connected with the side surface of the telescopic rod (103), every two adjacent telescopic rods (103) are a group and are fixedly connected between the ends, the output end of the telescopic rod (103) is fixedly connected with the inner side surface of the reinforcing plate (106), the both sides of the reinforcing plate (106) are slidingly connected with the limiting plate (105), and the inner side surface of the top end of the limiting plate (105) is fixedly connected with the side surface of the mounting plate (101).

2. The device according to claim 1, characterized in that: The inner side surface of the reinforcing plate (106) is fixedly connected with one end of the spring (102), the other end of the spring (102) is fixedly connected with the side surface of the telescopic rod (103), the limiting plate (105) is four in number and is uniformly distributed at the four corners of the side surface of the mounting plate (101), and the upper surface of the reinforcing plate (106) is provided with a mounting hole (104), and the mounting hole (104) is arranged on the upper surface of the mounting plate (101).

3. The device according to claim 1, characterized in that: The upper surface of the mounting plate (101) is fixedly connected with the mounting frame (107) at the center, and the inner wall of the mounting frame (107) is movably connected with the laser ranging alarm (108).

4. The real-time monitoring and early warning device for the tail gap between segments of a shield tunnel according to claim 1, characterized in that: The upper surface of the mounting plate (101) is provided with a protection assembly (2), the protection assembly (2) includes a supporting column (201), and the bottom end of the supporting column (201) is fixedly connected with the upper surface of the mounting plate (101) at the four corners.

5. The real-time monitoring and early warning device for the tail gap between segments of a shield tunnel according to claim 4, characterized in that: The top end of the supporting column (201) is movably connected with a protection plate (202), a square groove (206) is arranged at the center of the protection plate (202), a glass plate (207) is fixedly connected with the inner wall of the square groove (206), and the lower surface of the protection plate (202) is fixedly connected with the upper surface of the protection plate (205).

6. The real-time monitoring and early warning device for the tail gap between segments of a shield tunnel according to claim 5, characterized in that: The both sides of the protection plate (202) are provided with a strip-shaped groove (203), the four corners of the protection plate (202) are provided with a threaded hole (204), and the threaded hole (204) is arranged at the top end of the supporting column (201).

Citation Information

Patent Citations

  • Shield Tail Gap Monitoring Device

    CN111636881B