Telescopic shield excavation bin visualization device

By designing a telescopic shield excavation chamber visualization device, and utilizing the cooperation of drive components and mudguards, clear monitoring of the shield excavation chamber was achieved, solving the problem of camera contamination by mud and improving construction efficiency and safety.

CN223707633UActive Publication Date: 2025-12-23CHINA RAILWAY SHISIJU GROUP CORP +2
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Patent Information

Application Number
CN202520210081.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-11
Publication Date
2025-12-23
Estimated Expiration
2035-02-11

AI Technical Summary

Technical Problem

In existing technologies, cameras inside the excavation chamber of tunnel boring machines are easily contaminated by soil, resulting in unclear monitoring results and making it difficult to achieve effective monitoring.

Method used

Design a telescopic shield tunneling excavation chamber visualization device, including a shell, a monitoring camera, a mudguard, a drive assembly, and a partition. The camera is driven to telescopically move by the drive assembly. The mudguard blocks the through-hole when not monitoring to prevent soil contamination. The mudguard is cleaned by a water pipe to protect the camera.

Benefits of technology

It enables visualization of the tunnel boring machine excavation chamber, improves the clarity and accuracy of monitoring, allows for the timely detection of safety hazards, increases construction efficiency, protects cameras from soil contamination, and facilitates data collection and analysis.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a telescopic shield excavation bin visualization device which comprises a shell, a monitoring camera device, a fender, a driving assembly, an air cushion bin partition plate and an excavation bin partition plate, the air cushion bin partition plate and the excavation bin partition plate are arranged in the extending direction of the shell in a spaced mode, a first through hole is formed in the air cushion bin partition plate, and a second through hole is formed in the excavation bin partition plate. The monitoring camera device is movably arranged in the shell and comprises a camera end and a connecting end, the connecting end is connected with the driving end of the driving assembly, and the camera end is elastically connected with the fender. Through image display of the camera shooting end, visualization of the shield excavation bin is achieved, the problem that workers cannot enter the excavation bin conveniently is solved, potential safety hazards can be found more quickly through visualization of the excavation bin, the construction efficiency is improved, meanwhile, the camera shooting end can be protected against soil pollution when monitoring is not used under cooperation of a mud guard, and the safety of the workers is improved. And the monitoring camera device is telescopically arranged to elastically drive the fender to be opened and closed, the structural matching is ingenious, and installation is convenient.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to shield machine excavation bin monitoring equipment technical field especially a telescopic shield excavation bin visualization device. BACKGROUND

[0002] The shield machine relies on the cutter on the front end cutter head to invade the rock soil and carries out cutting, and the cutter head is located in the excavation bin, and the rear is provided with an air cushion bin for balancing the rock-soil pressure of the working face in the excavation bin. In the construction process, it is often necessary to detect the cutter wear condition of the cutter head in the excavation bin and the mud cake condition in the excavation bin, but the rock-soil pressure and the slurry are filled in the excavation bin, and the staff cannot directly enter the detection, so it is necessary to use effective equipment to monitor the excavation bin. The camera provided in the prior art is easily affected by the soil pollution in the environment during monitoring, thereby causing unclear monitoring effect.

[0003] Therefore, it is necessary to provide a telescopic shield excavation bin visualization device to solve or at least alleviate the above defects. CONTENT OF THE UTILITY MODEL

[0004] The main purpose of the utility model is to provide a telescopic shield excavation bin visualization device to solve the problem that manual monitoring is not convenient in the prior art, and a camera is easily affected by soil.

[0005] To achieve the above purpose, the utility model provides a telescopic shield excavation bin visualization device, which comprises a shell, a monitoring camera device, a mudguard, a driving assembly, and air cushion bin partitions and excavation bin partitions which are arranged at intervals along the extension direction of the shell. Wherein,

[0006] The first through hole is formed in the air cushion bin partition, the second through hole is formed in the excavation bin partition, the shell penetrates the first through hole and extends to the second through hole, and is connected with the air cushion bin partition and the excavation bin partition respectively, and the mudguard is connected to the second through hole in an openable and closable manner.

[0007] The driving assembly is connected to one end of the shell away from the air cushion bin partition, the monitoring camera device is movably arranged in the shell, the monitoring camera device comprises a camera end and a connecting end, the connecting end is connected with the driving end of the driving assembly, and the camera end is elastically connected with the mudguard.

[0008] Preferably, it further comprises a flushing pipe, a flushing hole is formed in the shell, a connecting hole is formed in the air cushion bin partition for the flushing pipe to penetrate, the flushing hole is arranged between the air cushion bin partition and the excavation bin partition, one end of the flushing pipe is used for communicating with an external water source, and the other end of the flushing pipe penetrates the connecting hole and is arranged in communication with the flushing hole.

[0009] Preferably, the water flushing hole is arranged close to the mudguard.

[0010] Preferably, the shell is arranged downwardly inclined towards the second through hole.

[0011] Preferably, the shell is circular in cross section, and the shell is outwardly convex along the radial direction of the shell to form a first annular flange, a second annular flange and a third annular flange, respectively, the first flange and the second flange are arranged on the two sides of the air cushion compartment partition plate, and the third flange is arranged on the inner side of the excavation compartment partition plate, a plurality of bolt holes are arranged on the first flange, the second flange and the third flange, and the middle part of the shell is connected with the air cushion compartment partition plate through bolts penetrating the first flange and the second flange, and the end part of the shell is connected with the excavation compartment partition plate through bolts penetrating the third flange.

[0012] Preferably, the mudguard is hinged to the second through hole through a hinge and arranged on the outer side of the excavation compartment partition plate.

[0013] Preferably, the inner side of the camera end is convexly provided with a first pull ring, the inner side of the mudguard is convexly provided with a second pull ring, and the camera end is connected with the mudguard through elastic ropes respectively connected with the first pull ring and the second pull ring.

[0014] Preferably, the driving assembly is a hydraulic cylinder.

[0015] Preferably, the camera end is rotatably arranged.

[0016] Preferably, the inclination angle of the shell is 20°-25°.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] The utility model provides a telescopic shield excavation bin visual device, including casing, monitoring camera device, mudguard, drive assembly and the air cushion bin baffle and excavation bin baffle of interval setting along the extension direction of casing, the first through -hole is set up on the air cushion bin baffle, the second through -hole is set up on the excavation bin baffle, the casing is through the first through -hole and extends to the second through -hole department, and is connected with air cushion bin baffle and excavation bin baffle respectively, the mudguard is open and close to be connected at the second through -hole department, drive assembly is connected to the one end of casing away from air cushion bin baffle, monitoring camera device is movably arranged in the casing, monitoring camera device includes camera end and connecting end, and the connecting end is connected with the drive end of drive assembly, and the camera end is elastically connected between the mudguard. Such through the image display of camera end, realize shield excavation bin visualization, solve the problem that the staff is inconvenient to enter the excavation bin, through the visualization of excavation bin, can find potential safety hidden danger faster, in time take countermeasures to avoid the accident to occur, can also collect the cutter and geotechnical data in the excavation bin, help the technical personnel better analysis cutter and geological condition, better make the decision such as changing the cutter, improve the construction efficiency, under the cooperation of mudguard, can protect the camera end from the soil pollution when not using monitoring, and through the telescopic setting of monitoring camera device, the elastic mudguard is driven to open and close, and the structure cooperates ingeniously, convenient to install. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will be to the drawing needed to use in the embodiment or prior art description briefly introduce, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, can also obtain other drawings according to the structure shown in these drawings.

[0020] Figure 1 It is the three-dimensional schematic view of the overall structure in the embodiment of the utility model for monitoring;

[0021] Figure 2 It is the cross-sectional schematic view of the overall structure in the embodiment of the utility model for not monitoring;

[0022] Figure 3 It is the three-dimensional schematic view of the air cushion bin baffle and the excavation bin baffle of the overall structure in the embodiment of the utility model;

[0023] Figure 4 It is the connection schematic view between the casing and the mudguard in the embodiment of the utility model.

[0024] The purpose of the utility model, functional characteristics and advantages will be further explained by combining with the embodiment, referring to the drawings.

[0025] Explanation of the attached drawings:

[0026] 10, housing; 11, first flange; 12, second flange; 13, third flange; 20, monitoring camera device; 21, camera end; 22, connecting end; 23, first pull ring; 30, mudguard; 31, hinge; 32, second pull ring; 33, elastic rope; 40, driving assembly; 50, air cushion warehouse partition; 60, excavation warehouse partition; 70, flushing pipe. DETAILED DESCRIPTION

[0027] It should be understood that the specific embodiments described herein are merely exemplary and are not intended to limit the present application.

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications will also change accordingly.

[0030] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features with "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of those skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection required by the present application.

[0031] Please refer to the drawings Figures 1-4 The present application provides a telescopic shield excavation warehouse visualization device in one embodiment, which comprises a housing 10, a monitoring camera device 20, a mudguard 30, a driving assembly 40, and air cushion warehouse partitions 50 and excavation warehouse partitions 60 arranged along the extension direction of the housing 10. First of all, it should be noted that unlike the traditional construction which is not convenient for workers to directly monitor, the camera provided in the prior art is easily affected by soil pollution in the environment during monitoring, thereby resulting in unclear monitoring effect. The present application solves the defects in the prior art by providing a telescopic shield excavation warehouse visualization device, which is as follows:

[0032] The first through hole is arranged on the air cushion compartment partition plate 50, the second through hole is arranged on the excavation compartment partition plate 60, the shell 10 penetrates the first through hole and extends to the second through hole, and is connected with the air cushion compartment partition plate 50 and the excavation compartment partition plate 60 respectively; the mudguard 30 is connected to the second through hole in an openable and closable manner; the driving assembly 40 is connected to one end of the shell 10 away from the air cushion compartment partition plate 50, the monitoring camera 20 is movably arranged in the shell 10, the monitoring camera 20 comprises a camera end 21 and a connecting end 22, the connecting end 22 is connected with a driving end of the driving assembly 40, and the camera end 21 is elastically connected with the mudguard 30.

[0033] Specifically, the telescopic shield excavation compartment visual device in the application comprises a shell 10, a monitoring camera 20, a mudguard 30, a driving assembly 40, an air cushion compartment partition plate 50 and an excavation compartment partition plate 60, the shell 10 is used for mounting the monitoring camera 20 and the driving assembly 40, so that the monitoring camera 20 is built-in in the shell 10 to be protected, avoiding long-term exposure, the monitoring camera 20 is used for monitoring the internal condition of the excavation compartment, realizing the visualization of the excavation compartment, and the driving assembly 40 drives the telescopic movement of the monitoring camera 20, so that the monitoring camera 20 is movably arranged along the extension direction of the shell 10, so as to be telescoped to the outside for monitoring when monitoring is needed, and being retracted into the shell 10 for protection when monitoring is not needed, in a preferred embodiment of the application, the driving assembly 40 can adopt a hydraulic cylinder, the hydraulic cylinder is convenient to drive to extend and retract, has good self-lubricating property, and has a long service life.

[0034] The first through hole and the second through hole are respectively used for the shell 10 to penetrate for installation, and the second through hole is also used for the monitoring camera 20 to go in and out, so that the shell 10 penetrates the first through hole and extends to the second through hole, and the mud guard 30 is connected to the second through hole in an openable and closable manner, so as to block the second through hole to avoid the penetration of mud when no monitoring is performed, and open the mud guard 30 when the monitoring camera 20 extends out; preferably, the camera end 21 of the monitoring camera 20 is elastically connected with the mud guard 30, so that when the monitoring camera 20 is retracted, the mud guard 30 is pulled tight through elastic connection to block the second through hole, and when the monitoring camera 20 extends outwards, the mud guard 30 is pushed to turn outwards to open to facilitate the extension of the monitoring camera 20 for monitoring; it is worth mentioning that the camera end 21 of the monitoring camera 20 is rotatably arranged to realize rotation monitoring at multiple angles, and more preferably, the camera end 21 can adopt a 360-degree panoramic camera to improve the monitoring range and ensure the visual effect.

[0035] As a preferred embodiment of the utility model, it further comprises a flushing pipe 70, the shell 10 is provided with a flushing hole, the air cushion compartment partition plate 50 is provided with a connecting hole for the flushing pipe 70 to penetrate, the flushing hole is arranged between the air cushion compartment partition plate 50 and the excavation compartment partition plate 60, one end of the flushing pipe 70 is used for being communicated with an external water source, and the other end of the flushing pipe 70 penetrates the connecting hole and is arranged in communication with the flushing hole.

[0036] It should be noted that the flushing pipe 70 is used for connecting an external water source to flush the mud guard 30, and it can be understood that when the mud guard 30 is turned outwards, mud is easy to adhere to the mud guard 30, and when the mud guard 30 is turned back to block, the side with mud returns to the shell 10, at this time, the mud guard 30 can be cleaned through the water in the flushing pipe 70, so as to avoid the accumulation of mud on the mud guard 30 from polluting the camera end 21, therefore, the flushing hole is arranged on the shell 10 to be communicated with the flushing pipe 70, so as to facilitate the inflow of water, and the flushing hole is arranged between the air cushion compartment partition plate 50 and the excavation compartment partition plate 60 to ensure that the water flows towards the mud guard 30 for cleaning when the water flows in; it is worth mentioning that a glass cover can be arranged outside the camera of the camera end 21 to avoid water washing the camera.

[0037] As a preferred embodiment of the utility model, the flushing hole is arranged close to the mud guard 30.

[0038] It should be noted that, in order to avoid the influence of water flow when the flushing pipe 70 is filled with water on the camera end 21, the flushing hole is arranged close to the mudguard 30 to directly flush the mudguard 30.

[0039] As a preferred embodiment of the utility model, the shell 10 is arranged downwardly inclined towards the second through hole.

[0040] It should be noted that the shell 10 is arranged downwardly inclined so that the residual sewage after flushing can flow outwardly when the mudguard 30 is opened, thereby avoiding the influence of sewage on the monitoring of the camera end 21; preferably, the inclination angle can be set to 20°-25°, and the specific value can be selected by the person skilled in the art according to specific needs.

[0041] As a preferred embodiment of the utility model, the cross section of the shell 10 is circular, the first flange 11, the second flange 12 and the third flange 13 each in the form of a ring are formed by outwardly protruding along the radial direction of the shell 10, the first flange 11 and the second flange 12 are respectively attached to the two sides of the air cushion bin partition plate 50, the third flange 13 is attached to the inner side of the excavation bin partition plate 60, a plurality of bolt holes are formed on the first flange 11, the second flange 12 and the third flange 13, the middle part of the shell 10 is connected with the air cushion bin partition plate 50 by penetrating the first flange 11 and the second flange 12 through bolts, and the end part of the shell 10 is connected with the excavation bin partition plate 60 by penetrating the third flange 13 through bolts.

[0042] It should be noted that the first flange 11 and the second flange 12 facilitate the connection of the middle part of the shell 10 with the air cushion bin partition plate 50, and the third flange 13 facilitates the connection of the end part of the shell 10 with the excavation bin partition plate 60, bolt holes are formed on each flange to facilitate detachable connection through bolt connection, which is convenient for later maintenance and replacement; it should be noted that the inner side of the excavation bin partition plate 60 refers to the side of the excavation bin partition plate 60 close to the air cushion bin partition plate 50.

[0043] Further, the mudguard 30 is hinged to the second through hole through the hinge 31 and is arranged on the outer side of the excavation bin partition plate 60.

[0044] It should be noted that the hinge 31 is flexible and convenient to assemble, so that the mudguard 30 is arranged on the outer side of the excavation bin partition plate 60 to be flipped around the hinge 31 on the outer side, and the hinge 31 has good durability and wear resistance, so that the service life is high and the replacement and maintenance of parts are reduced.

[0045] Further, the inner side of the camera end 21 is provided with a first pull ring 23, the inner side of the mudguard 30 is provided with a second pull ring 32, and the camera end 21 is connected to the first pull ring 23 and the second pull ring 32 through elastic ropes 33 to be elastically connected with the mudguard 30.

[0046] It should be understood that the first pull ring 23 and the second pull ring 32 are used for connecting the elastic ropes 33, so that the camera end 21 and the mudguard 30 are connected through the elastic ropes 33, the mudguard 30 is pulled back by the elasticity of the elastic ropes 33 when being retracted, and the elastic ropes 33 are loosened when being extended outward, so that the mudguard 30 can be turned outward without being limited.

[0047] For the convenience of those skilled in the art, the operation process of the present application is briefly described as follows:

[0048] When it is necessary to monitor the situation in the excavation chamber, the driving assembly 40 (hydraulic cylinder) is started, the piston rod of the driving assembly 40 (hydraulic cylinder) drives the monitoring camera 20 to move forward, the elastic ropes 33 between the camera end 21 and the mudguard 30 are gradually loosened, the pulling force of the elastic ropes 33 on the mudguard 30 gradually decreases until disappears, at this time, the water flushing pipe 70 can be opened to spray water to the mudguard 30, the water flow cleans the mudguard 30 and opens the mudguard 30 outward at the same time, the water flushing pipe 70 is closed, and at the same time, the monitoring camera 20 smoothly passes through the second through hole of the excavation chamber partition 60 to enter the excavation chamber for monitoring, and the flushed sewage also flows out of the inclined shell 10; when the monitoring in the excavation chamber is completed, the driving assembly 40 (hydraulic cylinder) is started again, the piston rod of the driving assembly 40 (hydraulic cylinder) drives the monitoring camera 20 to pull back, in the process of slight turning of the mudguard 30, the water flushing pipe 70 can also be opened to flush water, and the water flushing pipe 70 is closed after turning to a certain angle to avoid water flow accumulation in the shell 10, when the monitoring camera 20 is pulled back to a certain extent, the elastic ropes 33 between the camera end 21 and the mudguard 30 are pulled tight, at this time, the mudguard 30 is pulled up and closed.

[0049] The above is only the preferred embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation according to the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. A telescopic shield tunneling excavation chamber visualization device, characterized in that, It includes a housing, a monitoring camera device, mudguards, a drive assembly, and air cushion compartment partitions and excavation compartment partitions spaced apart along the extending direction of the housing; wherein, The air cushion compartment partition has a first through hole, the excavation compartment partition has a second through hole, the shell passes through the first through hole and extends to the second through hole, and is connected to the air cushion compartment partition and the excavation compartment partition respectively; the mudguard is detachably connected to the second through hole. The drive assembly is connected to the end of the housing away from the air cushion compartment partition. The monitoring camera is movably disposed in the housing. The monitoring camera includes a camera end and a connection end. The connection end is connected to the drive end of the drive assembly. The camera end is elastically connected to the mudguard.

2. The telescopic shield tunneling excavation chamber visualization device according to claim 1, characterized in that, It also includes a flushing pipe, and the shell has a flushing hole. The air cushion compartment partition has a connecting hole for the flushing pipe to pass through. The flushing hole is located between the air cushion compartment partition and the excavation compartment partition. One end of the flushing pipe is used to connect with an external water source, and the other end of the flushing pipe passes through the connecting hole and is connected to the flushing hole.

3. The telescopic shield tunneling excavation chamber visualization device according to claim 2, characterized in that, The flushing hole is located near the mudguard.

4. The telescopic shield tunneling excavation chamber visualization device according to claim 2, characterized in that, The housing is inclined downward toward the second through hole.

5. The telescopic shield tunneling excavation chamber visualization device according to claim 1, characterized in that, The shell has a circular cross-section. The shell has three annular flanges protruding outward along its radial direction. The first flange and the second flange are respectively attached to the two sides of the air cushion compartment partition. The third flange is attached to the inner side of the excavation compartment partition. The first flange, the second flange and the third flange are each provided with a plurality of bolt holes spaced apart along the axial direction. The middle part of the shell is connected to the air cushion compartment partition by bolts passing through the first flange and the second flange. The end of the shell is connected to the excavation compartment partition by bolts passing through the third flange.

6. The telescopic shield tunneling excavation chamber visualization device according to claim 1, characterized in that, The mudguard is hinged to the second through hole and is located on the outside of the excavation chamber partition.

7. The telescopic shield tunneling excavation chamber visualization device according to claim 6, characterized in that, The camera end has a first pull ring protruding from its inner side, and the mudguard has a second pull ring protruding from its inner side. The camera end is connected to the first pull ring and the second pull ring respectively by elastic ropes to be elastically connected to the mudguard.

8. The telescopic shield tunneling excavation chamber visualization device according to claim 1, characterized in that, The drive component uses a hydraulic cylinder.

9. The telescopic shield tunneling excavation chamber visualization device according to claim 1, characterized in that, The camera is rotatably mounted.

10. The telescopic shield tunneling excavation chamber visualization device according to claim 4, characterized in that, The tilt angle of the shell is 20° to 25°.