Self-cleaning shield tail gap monitoring device
By introducing the design of a drive mechanism and lens brush into the shield tail gap monitoring device, the problem of poor imaging caused by lens contamination during shield tunnel construction was solved, and self-cleaning and high-precision monitoring was achieved.
Patent Information
- Application Number
- CN202422698420.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-11-05
AI Technical Summary
During shield tunnel construction, the lens is contaminated by pollutants such as oil, slurry and dust, resulting in poor imaging of the measuring device and monitoring failure.
A self-cleaning shield tail gap monitoring device was designed, which included a protective shell, a driving mechanism, a lens brush and a zoom industrial camera. The transparent window was self-cleaned by the lens brush to ensure the cleanliness of the lens and the imaging quality.
It effectively prevents lens contamination, improves the imaging quality and detection accuracy of the shield tail gap monitoring device, and avoids the need for manual cleaning.
Smart Images
Figure CN223330615U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of shield construction, and in particular to a self-cleaning shield tail gap monitoring device. Background Art
[0002] With the development of large-scale construction of urban subway tunnels and other underground projects, shield construction technology and equipment have been rapidly developed and applied. Among them, the shield tail gap is a key technical parameter that needs to be accurately measured and monitored in real time during the shield tunneling construction process. It plays a vital role in controlling the shield machine posture and ensuring the efficiency and safety of shield construction.
[0003] In related technologies, shield tunnel construction involves a variety of pollutants such as oil, slurry, and dust, which can contaminate the lens of the measuring device, resulting in poor imaging and monitoring failure.
[0004] Therefore, it is necessary to design a new self-cleaning shield tail gap monitoring device to overcome the above problems. Utility Model Content
[0005] The present application provides a self-cleaning shield tail gap monitoring device, which can solve the technical problem in related technologies that during shield tunnel construction, the lens is contaminated by the external environment, resulting in poor imaging of the measuring device and monitoring failure.
[0006] In the first aspect, an embodiment of the present application provides a self-cleaning shield tail gap monitoring device, which includes: a base plate, a protective shell fixed to the base plate, a driving mechanism installed outside the protective shell, a lens brush provided on one side of the driving mechanism, the driving mechanism configured to drive the lens brush to rotate, a transparent window provided on one side of the protective shell, and the lens brush contacts the outer surface of the transparent window; a zoom industrial camera is installed in the protective shell, lasers are installed on both sides of the zoom industrial camera, and the lens of the zoom industrial camera and the laser are facing the transparent window.
[0007] In combination with the first aspect, in one embodiment, the lens brush includes a brush rod and a brush head, the brush rod and the brush head are fixed, the brush rod is connected to the driving mechanism, and the brush head contacts the outer surface of the transparent window.
[0008] In combination with the first aspect, in one embodiment, the driving mechanism includes a motor protective shell and a motor, the motor protective shell is installed outside the protective shell, the motor is installed inside the motor protective shell, and the motor drives the lens brush to rotate.
[0009] In combination with the first aspect, in one embodiment, a base is fixedly provided at the bottom of the zoom industrial camera, and the base is fixed to the bottom plate via a plurality of rubber seats.
[0010] In combination with the first aspect, in one embodiment, the laser is mounted on the base through an adjustment device, the adjustment device includes a fixing plate, the fixing plate is fixed to the base, the fixing plate is provided with an arc-shaped through hole, and the laser is mounted on the base by bolts passing through the arc-shaped through hole.
[0011] In combination with the first aspect, in one embodiment, the base plate is bolted to a mounting plate, an eccentric wheel is rotatably mounted on one side of the mounting plate, and a latch is provided on one side of the base plate, and the latch is latched with the eccentric wheel.
[0012] In combination with the first aspect, in one embodiment, the mounting plate is configured to be hollow.
[0013] In combination with the first aspect, in one embodiment, the protective housing includes a shell, the shell is fixed to the bottom plate, and a waterproof joint is provided on a side of the shell away from the transparent window.
[0014] In combination with the first aspect, in one embodiment, a vertical plate is provided on one side of the shell, and the vertical plate is provided with a plurality of mounting positions.
[0015] In combination with the first aspect, in one embodiment, a sealing rubber is installed between the bottom plate and the protective shell.
[0016] The beneficial effects of the technical solutions provided in the embodiments of the present application include:
[0017] By installing a driving mechanism outside the protective shell and arranging a lens brush on one side of the driving mechanism, the lens brush is in contact with the transparent window, so that the transparent window can be self-cleaned under the action of the lens brush, thereby solving the technical problem in related technologies that the lens is contaminated by the external environment during shield tunnel construction, resulting in poor imaging of the measuring device and monitoring failure. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.
[0019] Figure 1 A front view of a self-cleaning shield tail gap monitoring device provided in an embodiment of the present application;
[0020] Figure 2 A side view of a self-cleaning shield tail gap monitoring device provided in an embodiment of the present application;
[0021] Figure 3A top view of a self-cleaning shield tail gap monitoring device provided in an embodiment of the present application;
[0022] Figure 4 A side view of a zoom industrial camera and a laser provided in an embodiment of the present application;
[0023] Figure 5 A top view of the zoom industrial camera and laser provided in an embodiment of the present application;
[0024] Figure 6 A front view of the mounting plate provided in an embodiment of the present application.
[0025] In the figure: 1. Base plate; 2. Protective shell; 21. Transparent window; 22. Shell; 23. Waterproof connector; 24. Vertical plate; 3. Driving mechanism; 31. Motor protective shell; 4. Lens brush; 41. Brush rod; 42. Brush head; 5. Zoom industrial camera; 6. Laser; 7. Base; 8. Rubber seat; 9. Adjustment device; 10. Mounting plate; 101. Eccentric wheel. DETAILED DESCRIPTION
[0026] In order to enable those skilled in the art to better understand the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.
[0027] The embodiment of the present application provides a self-cleaning shield tail gap monitoring device, which can solve the technical problem that the lens is contaminated by the external environment during the construction of a shield tunnel, resulting in poor imaging of the measuring device and monitoring failure.
[0028] See also Figure 1 and Figure 5 As shown, an embodiment of the present application provides a self-cleaning shield tail gap monitoring device, which includes: a base plate 1, the base plate 1 is fixedly provided with a protective shell 2, a driving mechanism 3 is installed outside the protective shell 2, a lens brush 4 is provided on one side of the driving mechanism 3, the driving mechanism 3 is configured to drive the lens brush 4 to rotate, a transparent window 21 is provided on one side of the protective shell 2, and the lens brush 4 contacts the outer surface of the transparent window 21; a zoom industrial camera 5 is installed in the protective shell 2, lasers 6 are installed on both sides of the zoom industrial camera 5, and the lens of the zoom industrial camera 5 and the laser 6 are facing the transparent window 21.
[0029] In this embodiment, the self-cleaning tail clearance monitoring device is used to monitor the tail clearance. The protective housing 2 is arranged as a bottomless hollow structure. The length of the bottom plate 1 is greater than the length of the protective housing 2. The bottom plate 1 can seal the bottom of the protective housing 2. A through hole is provided on one side of the bottom plate 1, and a positioning groove is provided on the other side of the bottom plate 1. The bottom plate 1 can be arranged as a U-shaped. The transparent window 21 is made of optical grade polymethyl methacrylate (PMMA) material. The transparent window 21 has good light transmittance and wear resistance. The zoom industrial camera 5 and the laser 6 perform observations through the transparent window 21. The driving mechanism 3 drives the lens brush 4 to rotate, so that the transparent window 21 can be self-cleaned under the action of the lens brush 4, improving the stain resistance of the self-cleaning tail clearance monitoring device, and at the same time ensuring the quality of the collected tail clearance images.
[0030] In this embodiment, by installing the driving mechanism 3 outside the protective housing 2 and arranging the lens brush 4 on one side of the driving mechanism 3, the lens brush 4 contacts the transparent window 21, so that the transparent window 21 can be self-cleaned under the action of the lens brush 4, solving the technical problem that the lens is polluted by the external environment during the construction of the shield tunnel in the related technology, resulting in poor imaging of the measuring device and monitoring failure.
[0031] Further, as shown in Figure 1 and Figure 2 In some embodiments, the lens brush 4 includes a brush rod 41 and a brush head 42. The brush rod 41 and the brush head 42 are fixed. The brush rod 41 is connected to the driving mechanism 3. The brush head 42 contacts the outer surface of the transparent window 21.
[0032] In this embodiment, the brush head 42 is made of fluororubber material. The brush head 42 has good high temperature resistance, corrosion resistance, elasticity and sealing performance. The driving mechanism 3 drives the brush rod 41 to rotate, so that the brush head 42 rotates on the surface of the transparent window 21 to achieve self-cleaning of the transparent window 21.
[0033] Further, as shown in Figure 1 and Figure 2 In some embodiments, the driving mechanism 3 includes a motor protection shell 31 and a motor. The motor protection shell 31 is installed outside the protective housing 2. The motor is installed inside the motor protection shell 31. The motor drives the lens brush 4 to rotate.
[0034] In this embodiment, the motor drives the lens brush 4 to rotate, so that the surface of the transparent window 21 is cleaned, avoiding manual cleaning of the transparent window 21, optimizing the quality of the shield tail gap image collected by the zoom industrial camera 5, and improving the detection accuracy of the self-cleaning shield tail gap monitoring device.
[0035] Further, see Figure 4 As shown, in some embodiments, a base 7 is fixed to the bottom of the zoom industrial camera 5 , and the base 7 is fixed to the bottom plate 1 through a plurality of rubber seats 8 .
[0036] In this embodiment, the zoom industrial camera 5 is fixed to the base 7 and fixed to the base plate 1 through multiple rubber seats 8, so that the zoom industrial camera 5 and the base plate 1 are flexibly connected, thereby improving the shock resistance of the zoom industrial camera 5 and ensuring its stability in use.
[0037] Further, see Figure 4 As shown, in some embodiments, the laser 6 is mounted on the base 7 through an adjusting device 9, and the adjusting device 9 includes a fixing plate, which is fixed to the base 7, and the fixing plate is provided with an arc-shaped through hole, and the laser 6 is mounted on the base 7 by bolts passing through the arc-shaped through hole.
[0038] In this embodiment, the laser 6 is bolted to the base 7 through the arc-shaped through hole by the bolt, so that the laser 6 is fixed at different positions of the fixing plate, and the left and right positions of the laser 6 are adjusted to ensure that the two lasers 6 are parallel to the shield shell of the shield machine, thereby achieving rapid calibration.
[0039] Further, see Figure 3-6 As shown, in some embodiments, the base plate 1 is bolted to a mounting plate 10 , an eccentric wheel 101 is rotatably mounted on one side of the mounting plate 10 , and a latch is provided on one side of the base plate 1 , which is latched with the eccentric wheel 101 .
[0040] In this embodiment, the mounting plate 10 is mounted on the shield machine rib plate by welding, one end of the base plate 1 is bolted to the mounting plate 10 by passing a bolt through the through hole, and the eccentric wheel 101 is bolted to the mounting plate 10 by a hexagon socket bolt. A handle is provided on one side of the eccentric wheel 101, and the eccentric wheel 101 can be rotated by rotating the handle to adjust the relative position of the base plate 1. Arc-shaped through holes are provided on both sides of the clamping position, and the other end of the base plate 1 is bolted to the mounting plate 10 by passing a butterfly screw through the arc-shaped through hole to limit the base plate 1. The handle can drive the eccentric wheel 101 to rotate, so that the angle of the self-cleaning shield tail gap monitoring device relative to the shield shell of the shield machine is adjusted, ensuring that the installation position meets the requirements of the machine vision monitoring algorithm and improving the installation accuracy and adjustment convenience of the self-cleaning shield tail gap monitoring device.
[0041] Further, see Figure 1 and Figure 6 As shown, in some embodiments, the mounting plate 10 is configured as a hollow shape. In this embodiment, the mounting plate 10 can be configured as a hollow shape to reduce the weight of the self-cleaning shield tail gap monitoring device while improving its structural strength.
[0042] Further, see Figure 1-3 As shown, in some embodiments, the protective housing 2 includes a shell 22 , the shell 22 is fixed to the base plate 1 , and a waterproof joint 23 is provided on a side of the shell 22 away from the transparent window 21 .
[0043] In this embodiment, the waterproof connector 23 can effectively prevent the electrical appliance in the protective housing 2 from becoming inoperable due to water ingress, while also reserving a position for external connection.
[0044] Further, see Figure 1 and Figure 3 As shown, in some embodiments, a vertical plate 24 is provided on one side of the housing 22, and the vertical plate 24 has multiple mounting locations. In this embodiment, the multiple mounting locations are used to install multiple additional devices, such as a laser rangefinder and a fill light, etc. The laser rangefinder and the fill light can be bolted to the vertical plate 24.
[0045] Further, see Figure 1 、 Figure 3 and Figure 5As shown, in some embodiments, a sealing rubber is installed between the base plate 1 and the protective shell 2. In this embodiment, a plurality of threaded holes are provided at the connection between the base plate 1 and the protective shell 2. The base plate 1 is bolted to the protective shell 2 via fastening bolts passing through the threaded holes. The sealing rubber is installed between the base plate 1 and the protective shell 2 to improve the sealing between the base plate 1 and the protective shell 2.
[0046] In the description of this application, it should be noted that the terms "upper" and "lower" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to the specific circumstances.
[0047] It should be noted that, in this application, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprising a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element.
[0048] The foregoing is merely a list of specific embodiments of the present application, intended to enable those skilled in the art to understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application is not limited to the embodiments shown herein, but is intended to conform to the broadest scope consistent with the principles and novel features of the present application.
Claims
1. A self-cleaning shield tail gap monitoring device, characterized in that: It includes: A base plate (1), the base plate (1) is fixedly provided with a protective shell (2), a driving mechanism (3) is installed outside the protective shell (2), a lens brush (4) is provided on one side of the driving mechanism (3), the driving mechanism (3) is configured to drive the lens brush (4) to rotate, a transparent window (21) is provided on one side of the protective shell (2), and the lens brush (4) contacts the outer surface of the transparent window (21); A zoom industrial camera (5) is installed in the protective housing (2), lasers (6) are installed on both sides of the zoom industrial camera (5), and the lens of the zoom industrial camera (5) and the lasers (6) face the transparent window (21).
2. The shield tail gap monitoring device according to claim 1, characterized in that: The lens brush (4) comprises a brush rod (41) and a brush head (42), wherein the brush rod (41) and the brush head (42) are fixed, the brush rod (41) is connected to the driving mechanism (3), and the brush head (42) contacts the outer surface of the transparent window (21).
3. The shield tail gap monitoring device according to claim 1, characterized in that: The driving mechanism (3) comprises a motor protection shell (31) and a motor, wherein the motor protection shell (31) is mounted outside the protective housing (2), and the motor is mounted inside the motor protection shell (31), and the motor drives the lens brush (4) to rotate.
4. The shield tail gap monitoring device according to claim 1, characterized in that: A base (7) is fixedly provided at the bottom of the zoom industrial camera (5), and the base (7) is fixed to the bottom plate (1) via a plurality of rubber seats (8).
5. The shield tail gap monitoring device according to claim 4, characterized in that: The laser (6) is mounted on the base (7) via an adjusting device (9), wherein the adjusting device (9) comprises a fixing plate, wherein the fixing plate is fixed to the base (7), wherein the fixing plate is provided with an arc-shaped through hole, and the laser (6) is mounted on the base (7) via a bolt passing through the arc-shaped through hole.
6. The shield tail gap monitoring device according to claim 1, characterized in that: The bottom plate (1) is bolted to a mounting plate (10), an eccentric wheel (101) is rotatably mounted on one side of the mounting plate (10), and a latch is provided on one side of the bottom plate (1), the latch being latched with the eccentric wheel (101).
7. The shield tail gap monitoring device according to claim 6, characterized in that: The mounting plate (10) is configured to be hollow.
8. The shield tail gap monitoring device according to claim 1, characterized in that: The protective housing (2) comprises a shell (22), the shell (22) is fixed to the bottom plate (1), and a waterproof joint (23) is provided on a side of the shell (22) away from the transparent window (21).
9. The shield tail gap monitoring device according to claim 8, characterized in that: A vertical plate (24) is provided on one side of the housing (22), and the vertical plate (24) is provided with a plurality of mounting positions.
10. The shield tail gap monitoring device according to claim 1, characterized in that: A sealing rubber is installed between the bottom plate (1) and the protective shell (2).