CN111911211A - Visual automatic supporting walking trolley for shield overlapping tunnel construction and construction method - Google Patents
Visual automatic supporting walking trolley for shield overlapping tunnel construction and construction method Download PDFInfo
- Publication number
- CN111911211A CN111911211A CN202010638532.3A CN202010638532A CN111911211A CN 111911211 A CN111911211 A CN 111911211A CN 202010638532 A CN202010638532 A CN 202010638532A CN 111911211 A CN111911211 A CN 111911211A
- Authority
- CN
- China
- Prior art keywords
- supporting
- tunnel
- visual automatic
- walking trolley
- shield
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000008093 supporting effect Effects 0.000 title claims abstract description 100
- 230000000007 visual effect Effects 0.000 title claims abstract description 54
- 238000010276 construction Methods 0.000 title claims abstract description 49
- 238000012544 monitoring process Methods 0.000 claims description 60
- 230000007246 mechanism Effects 0.000 claims description 37
- 239000010720 hydraulic oil Substances 0.000 claims description 12
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 5
- 230000005641 tunneling Effects 0.000 abstract description 6
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 4
- 230000008602 contraction Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
- E21D23/0013—Frame type supports
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/045—Allowing translations adapted to left-right translation movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/695—Control of camera direction for changing a field of view, e.g. pan, tilt or based on tracking of objects
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention relates to the technical field of tunnel construction, in particular to a visual automatic supporting walking trolley for shield overlapping tunnel construction. According to the invention, the visual automatic supporting walking trolley is arranged on the overlapped lower tunnel, so that the construction synchronization with the upper tunnel shield machine is realized, the stress safety function of the lower tunnel structure is fully ensured, the labor input of construction personnel is greatly reduced, the engineering cost is reduced, the safety accident of personnel is avoided, the condition in the lower forming tunnel can be comprehensively known without the requirement of the construction personnel entering the tunnel, and the synchronous proceeding of the lower tunnel supporting and the upper tunnel tunneling can be effectively kept.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to a visual automatic supporting walking trolley used in shield overlapping tunnel construction and a construction method.
Background
The shield tunneling method is widely applied to urban rail construction, and due to the complexity of subway line planning, the problem of overlapping tunnel construction is often faced. Especially in the construction of overlapping tunnels with small clear distance and long distance, after the tunneling of the lower tunnel is completed, in the process of tunneling the lower tunnel, in order to ensure the safety of the formed tunnel structure, a constructor is required to carry out on-site monitoring and operation on a lower tunnel supporting trolley, so that the efficiency is low, and because light rays in the tunnel are dark, the constructor cannot comprehensively master the conditions in the tunnel, the potential safety hazard is large, and errors are easy to occur.
Disclosure of Invention
Features and advantages of the invention will be set forth in part in the description which follows, or may be obvious from the description, or may be learned by practice of the invention.
In order to overcome the problems in the prior art, the invention provides a visual automatic supporting walking trolley for shield overlapping tunnel construction, which comprises a supporting portal, at least one supporting mechanism arranged on the supporting portal and used for supporting a tunnel, a bottom beam arranged at the bottom of the supporting portal, rollers arranged on the bottom beam, and at least one monitoring mechanism arranged on the supporting portal and used for monitoring the walking condition of the trolley.
Preferably, the monitoring mechanism comprises a longitudinal axis positioning component arranged on the support gantry, a transverse axis positioning component arranged on the longitudinal axis positioning component in a sliding manner, and a camera arranged on the transverse axis positioning component in a sliding manner through a gear rack.
Preferably, the longitudinal shaft positioning assembly comprises a vertical rod arranged on the support portal frame and provided with a sliding groove in the middle, and at least one first rack fixed on the support portal frame and arranged parallel to the vertical rod; the upright stanchion is vertical to the ground.
Preferably, the cross shaft positioning assembly comprises a sliding rod, a horizontal rod, a first gear and a first driving motor, wherein the sliding rod is matched with the sliding groove and is arranged in the sliding groove in a sliding mode, the horizontal rod is fixed on the sliding rod, the middle of the horizontal rod is provided with a groove, the first gear is arranged at the end of the horizontal rod and is meshed with the first rack, and the first driving motor drives the first gear to rotate.
Preferably, the cross shaft positioning assembly further comprises a second rack arranged in the groove, a second gear meshed with the second rack, a second driving motor driving the second gear, and a base which is connected with a gear shaft of the second gear in a sliding manner and used for fixing the camera.
Preferably, the horizontal shaft positioning assembly further comprises a protective sleeve which is slidably arranged on the lower edge of the horizontal rod and is used for supporting the second driving motor.
Preferably, the vehicle-mounted wheel-sliding prevention device further comprises at least one telescopic foot arranged on the bottom beam and used for preventing vehicle sliding, a wheel stopping protrusion arranged on the telescopic foot, and a wheel stopping groove arranged on the roller and matched with the wheel stopping protrusion;
and/or;
the supporting mechanism is a hydraulic oil cylinder;
and/or;
and a pressure sensor and a buzzer are arranged at the top of the supporting mechanism.
And/or;
the tunnel is characterized by further comprising at least one winch, a pull rope displacement sensor, a GPS (global positioning system) positioner and a PLC (programmable logic controller), wherein the winch is arranged at the end part of the tunnel and connected with the bottom beam, the pull rope displacement sensor is arranged on the winch, and the GPS positioner and the PLC are arranged on the bottom beam.
A shield overlapping tunnel construction method, which adopts the visual automatic supporting walking trolley for shield overlapping tunnel construction of claim 7 to support the shield overlapping tunnel, comprises the following steps:
the PLC receives a command for starting the visual automatic supporting walking trolley issued by the shield machine monitoring room;
the PLC controller starts the winch, so that the visual automatic supporting walking trolley is driven by the winch to advance along the track;
the PLC controller starts a monitoring mechanism to monitor at least one of the conditions in the tunnel, the operation of the hydraulic oil cylinder and the deformation of the support portal;
the method comprises the steps that a PLC acquires first position information of a first monitoring point preset on a shield machine and second position information of a second monitoring point preset on a visual automatic supporting walking trolley once every time T;
the PLC acquires the horizontal distance S between the current first monitoring point and the second monitoring point through the first position information and the second position information;
judging whether S is larger than or equal to a first critical value S1 acquired in advance;
if so, controlling the winch to stop running, stopping the visual automatic supporting walking trolley, controlling the stop wheel protrusion to extend into the stop wheel groove to prevent sliding, and starting the hydraulic oil cylinder to support the lower layer tunnel;
if not, the winch is continuously controlled to drive the visual automatic supporting walking trolley to move forward.
Preferably, when the S is larger than or equal to a pre-acquired first critical value S1, if the horizontal distance S newly acquired by the PLC between the first monitoring point and the second monitoring point is smaller than a pre-acquired second critical value S2, the hydraulic oil cylinder is controlled to descend, the wheel stopping protrusion is controlled to be separated from the wheel stopping groove, and the winch is started, so that the visual automatic supporting and walking trolley is driven to advance.
Preferably, when the hydraulic oil cylinder is started to support the lower-layer tunnel, if the pressure value uploaded by the pressure sensor and received by the PLC controller is greater than a set value, the buzzer is started and an alarm signal is transmitted to the shield machine monitoring room; the monitoring room can actively call the camera information according to the alarm position to check, and whether field workers are dispatched to the site to be maintained is judged according to the observed condition.
The invention has the beneficial effects that: the invention realizes the construction synchronization with the upper tunnel shield machine by installing the visual trolley on the overlapped lower tunnel, fully ensures the stress safety of the lower tunnel structure by supporting the lower tunnel through the supporting mechanism, greatly reduces the manpower input of constructors, reduces the engineering cost, avoids the occurrence of personnel safety accidents, can comprehensively know the condition in the lower forming tunnel without the constructors entering the tunnel, and can effectively keep the synchronous progress of the lower tunnel support and the upper tunnel tunneling. Can monitor the walking route and the walking situation of platform truck through monitoring mechanism, the constructor of being convenient for simultaneously judges according to the particular case in the tunnel, can all-round no dead angle monitor the condition in the tunnel, and carry out detailed observation repeatedly to the position of paying close attention to needs, greatly reduced construction error's production, and need not constructor and get into the tunnel and can understand the condition in the tunnel comprehensively, improved engineering efficiency, labour saving and time saving.
Drawings
The advantages and realisation of the invention will be more apparent from the following detailed description, given by way of example, with reference to the accompanying drawings, which are given for the purpose of illustration only, and which are not to be construed in any way as limiting the invention, and in which:
fig. 1 is a schematic view of a visual automatic supporting walking trolley used in shield overlapping tunnel construction in embodiment 1 of the present invention;
fig. 2 is a side view of a visual automatic supporting walking trolley used in shield overlapping tunnel construction according to embodiment 1 of the present invention;
fig. 3 is a schematic view of a monitoring mechanism of a visual automatic supporting traveling trolley used in shield overlapping tunnel construction according to embodiment 1 of the present invention;
fig. 4 is a flowchart of a shield overlapping tunnel construction method according to embodiment 2 of the present invention;
in the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
the device comprises a supporting portal-100, a supporting mechanism-200, a bottom beam-300, a roller-400, a telescopic foot-410, a push-pull cylinder-411, a push rod-412, a friction disc-413, a wheel stopping protrusion-414, a monitoring mechanism-500, a longitudinal axis positioning component-510, an upright rod-511, a chute-5111, a first rack-512, a transverse axis positioning component-520, a groove-521, a horizontal rod-522, a second gear-523, a second rack-524, a second driving motor-525, a base-526, a protective sleeve-527, a camera-530, a deviation rectifying foot-540, a track-600 and a winch-700.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "inner", "outer", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1
As shown in fig. 1 to 3, the present invention provides a visual automatic supporting traveling trolley for shield overlapping tunnel construction, which comprises a supporting portal 100, at least one supporting mechanism 200 arranged on the supporting portal 100 and used for supporting a tunnel, a bottom beam 300 arranged at the bottom of the supporting portal 100, rollers 400 arranged on the bottom beam 300, and at least one monitoring mechanism 500 arranged on the supporting portal 100 and used for monitoring the traveling condition of the trolley. Through overlapping the visual platform truck of lower part tunnel installation, realized in step with the construction of upper portion tunnel shield structure machine, more through the support of supporting mechanism 200 to the lower part tunnel, lower part tunnel structure atress safety has fully been ensured, through the actual conditions in the monitoring mechanism 500 control tunnel, the condition in the tunnel is in time known to the technical staff of being convenient for, and reduce constructor's input, great saving the human cost, and then reduced the engineering cost, and reduced the emergence of incident, constructor's safety has been ensured.
Further, as shown in fig. 2, the monitoring mechanism 500 includes a longitudinal axis positioning assembly 510 disposed on the support gantry 100, a transverse axis positioning assembly 520 slidably disposed on the longitudinal axis positioning assembly 510, and a camera 530 slidably disposed on the transverse axis positioning assembly 520 through a rack and pinion. The camera 530 is preferably an infrared high definition camera 530, so that monitoring of the conditions inside the tunnel can be conveniently completed in a dark tunnel. The camera 530 is provided with a reference for longitudinal movement by the longitudinal axis positioning assembly 510 while providing support for the entire monitoring mechanism 500. The support for lateral movement of the camera 530 is provided by a lateral axis positioning assembly 520. The lateral movement of the camera 530 is achieved by a rack and pinion. As a preferred embodiment of the present invention, the monitoring mechanism 500 is disposed on the top, two sidewalls, and two waist portions of the support portal 100 to facilitate comprehensive understanding of the tunnel condition, and may be disposed according to the actual construction condition, which is not limited herein. Can monitor the walking route and the walking situation of platform truck through monitoring mechanism, the constructor of being convenient for simultaneously judges according to the particular case in the tunnel, can all-round no dead angle monitor the condition in the tunnel, and carry out detailed observation repeatedly to the position of paying close attention to needs, greatly reduced construction error's production, and need not constructor and get into the tunnel and can understand the condition in the tunnel comprehensively, improved engineering efficiency, labour saving and time saving.
Further, as shown in fig. 3, the longitudinal axis positioning assembly 510 includes an upright 511 disposed on the support gantry 100 and having a sliding groove 5111 in the middle, and at least one first rack 512 fixed on the support gantry 100 and disposed parallel to the upright 511; the vertical rod 511 is arranged perpendicular to the ground. The length of the first rack 512 is less than or equal to that of the upright 511, so that the camera 530 can move longitudinally in the largest range, the monitoring range of the camera 530 is expanded, and no dead angle exists during monitoring. The vertical rod 511 provides a reference for the camera 530 to move longitudinally and provides support for the entire monitoring mechanism 500. The attachment of the cross-axis positioning assembly 520 to the upright 511 is facilitated by the runner 5111, and the longitudinal movement of the cross-axis positioning assembly 520 is facilitated. Longitudinal movement of the transverse axis positioning assembly 520 is facilitated by the first gear rack 512.
Further, a distance sensor (not shown in the figure) is arranged on the vertical rod 511, so that the moving distance of the camera 530 can be conveniently located, the camera 530 can be conveniently moved, a constructor can more comprehensively know the construction condition in the tunnel, and meanwhile, the whole trolley walking condition and the area needing key inspection confirmation can be more conveniently and carefully confirmed. The preferred type of the distance sensor is an ACR-LRS120(D) laser displacement sensor.
Further, the horizontal shaft positioning assembly 520 includes a sliding rod (not shown) adapted to the sliding groove 5111 and slidably disposed in the sliding groove 5111, a horizontal rod 522 fixed to the sliding rod (not shown) and having a groove 521 at a middle portion thereof, a first gear (not shown) disposed at an end of the horizontal rod 522 and engaged with the first rack 512, and a first driving motor (not shown) for driving the first gear (not shown) to rotate. The horizontal rod 522 is slidably connected to the vertical rod 511 by a slide rod (not shown) disposed in the slide groove 5111. The first gear (not shown) is engaged with the first rack 512 to longitudinally move the horizontal rod 522, and the first driving motor (not shown) drives the first gear (not shown) to rotate, so that the first gear (not shown) moves on the first rack 512, and the horizontal rod 522 is driven to longitudinally move along the vertical rod 511. As a preferred embodiment of the present invention, the connection between the sliding rod (not shown in the figures) and the vertical rod 511 is a T-shaped structure; the two sides of the inner wall of the sliding groove 5111 of the vertical rod 511 are provided with balls convenient for sliding, and are provided with a limiting cover for preventing a sliding rod (not shown in the figure) from sliding out of the sliding groove 5111, so that the sliding rod (not shown in the figure) can slide in the sliding groove 5111 more smoothly. Of course, the ball can be fixed to the bottom of the vertical rod 511, and this function can be achieved, and is not limited in particular.
Further, the horizontal axis positioning component 520 further includes a second rack 524 disposed in the groove 521, a second gear 523 engaged with the second rack 524, a second driving motor 525 driving the second gear 523, and a base 526 slidably connected to a gear shaft of the second gear 523 and used for fixing the camera 530. Make camera 530 can lateral shifting through the cooperation of second rack 524 with second gear 523, enlarged camera 530's moving range, make camera 530 the concrete condition in the control tunnel at no dead angle, save constructor's input more, and the scope of control is wider, makes construction data more accurate, provides strong support for being under construction smoothly. The base 526 is more convenient to be connected with the camera 530, the camera 530 can be effectively prevented from falling, and the maintenance is convenient. As a preferred embodiment of the present invention, a radial rolling bearing is disposed at the bottom of the base 526, and the radial rolling bearing may be a rolling bearing or a flange bearing, which can achieve sliding connection with the gear shaft of the second gear 523 and provide stable support for the base 526, and is not limited specifically herein.
Further, the lateral shaft positioning component 520 further comprises a protective sleeve 527 slidably disposed on the lower edge of the horizontal rod 522 and used for supporting the second driving motor 525. Provide the support for second driving motor 525 through protective sheath 527, prevent dropping of second driving motor 525, and be convenient for more to the maintenance of second driving motor 525, reduce the maintenance cost.
Further, it is characterized by further comprising at least one retractable leg 410 disposed on the bottom beam 300 and used for preventing vehicle from sliding, a wheel stopping protrusion 414 disposed on the retractable leg 410, and a wheel stopping groove (not shown) disposed on the roller 400 and adapted to the wheel stopping protrusion 414. As a preferred embodiment of the present invention, the telescopic leg 410 includes a push-pull cylinder 411 fixed to the bottom beam 300, a push rod 412 connected to the push-pull cylinder 411 and disposed at an angle to the bottom beam 300, a friction disc 413 fixed to the bottom of the push rod 412, and a wheel stopping protrusion 414 disposed on the friction disc 413. The friction disk 413 may be disposed perpendicular to the ground, or may be disposed along a tangent plane of the roller 400 at a certain angle with the ground, that is, as long as the wheel stopping protrusion 414 can be conveniently inserted into the wheel stopping groove (not shown), which is not limited herein. Meanwhile, the friction disk 413 may be a straight plate or an arc having the same arc as the roller 400, that is, the wheel stopping protrusion 414 may be inserted into the wheel stopping groove (not shown), which is not limited herein. The push rod 412 is obliquely arranged on the bottom beam 300, the push rod 412 is horizontally moved under the action of the push-pull air cylinder 411, and further the telescopic foot 410 is horizontally moved, after the trolley stops moving, the push-pull air cylinder 411 pushes the telescopic foot 410 to the roller 400, so that the wheel stopping protrusion 414 on the telescopic foot 410 is inserted into a wheel stopping groove (not shown) arranged on the roller 400, and further the problem of preventing the trolley from sliding backwards is solved. When the trolley needs to be started, the push-pull cylinder 411 is started, and then the telescopic foot 410 is driven to move backwards and leave the roller 400, so that the roller 400 can smoothly move forwards. As a preferred embodiment of the present invention, the roller 400 is provided with telescopic legs 410 along the traveling direction thereof and along both front and rear sides of the roller 400, so that the anti-rolling process is performed when the dolly is moved forward or backward.
Further, the supporting mechanism 200 is a hydraulic cylinder. The supporting mechanism 200 is disposed on the top, the side wall and the two waist portions of the supporting gantry 100 to strongly support the tunnel. The supporting mechanism 200 may be a hydraulic cylinder or an air cylinder, which can achieve the telescopic function and provide support for the tunnel, and is not limited specifically herein. Can make whole platform truck adapt to the use of different tunnel internal diameters through supporting mechanism 200, and can provide more powerful support for the tunnel according to the actual conditions in tunnel, make the application scope of platform truck wider.
Further, a pressure sensor (not shown) and a buzzer (not shown) are disposed on the top of the supporting mechanism 200. The pressure applied to the supporting mechanism 200 is quantified by a pressure sensor (not shown in the figure) so as to give out an early warning before the supporting mechanism 200 deforms, so that the supporting effect of the supporting mechanism 200 is ensured, and meanwhile, the occurrence of safety accidents is effectively prevented. When the support mechanism 200 exceeds its load, a buzzer (not shown) sounds to remind field constructors to enter a construction field for maintenance, so that safety accidents are avoided. The preferred model number for the pressure sensor (not shown) is PX3005-500 GI.
Further, the system comprises at least one winch 700 which is arranged at the end part of the tunnel and connected with the bottom beam 300, a pull rope displacement sensor (not shown) arranged on the winch 700, and a GPS (global positioning system) positioner (not shown) and a PLC (programmable logic controller) arranged on the bottom beam 300. The preferred model of the PLC controller is Simatics 7-300. A preferred model of pull cord displacement sensor (not shown) is SMFS-XXS. The winch is used for providing advancing power for the visual automatic supporting walking trolley, and the winch arranged at the two end parts of the tunnel can be used for controlling the visual automatic supporting walking trolley to advance in the opposite direction, so that the visual automatic supporting walking trolley can be conveniently adjusted in the construction process; the contraction distance of the cable is effectively measured through a stay rope displacement sensor (not shown in the figure), and the advancing distance of the visual automatic supporting walking trolley is further effectively determined.
Further, a deviation rectifying foot 540 is provided at a distance from the roller 400 and is adapted to the rail 600. Effectively prevent that the platform truck direction from taking place to deflect, and on being fixed in track 600 the platform truck is firm, make things convenient for the walking of platform truck, simple structure, nevertheless it is effectual to rectify.
Further, this device accessible is wired or wireless is connected, passes back camera 530 monitoring data to the shield constructs quick-witted monitor, and the condition of technical staff in through the control is known to grasp to the condition in the tunnel to make more accurate judgement, saved constructor's input greatly, labour saving and time saving more. The way data is transmitted back to the monitoring room via a wired or wireless connection is prior art and will not be described herein.
Example 2
A shield overlapping tunnel construction method adopts the visual automatic supporting walking trolley used in shield overlapping tunnel construction to support the shield overlapping tunnel, and specifically comprises the following steps:
s1, a PLC receives a command for starting a visual automatic supporting walking trolley issued by a shield machine monitoring room;
s2, starting the winch 700 by the PLC controller, so that the visual automatic supporting and walking trolley is driven by the winch 700 to move forward along the track 600; the winch 700 is used for providing forward power for the visual automatic supporting walking trolley;
s3, the PLC controller starts the monitoring mechanism 500 to monitor at least one of the conditions in the tunnel, the operation of the hydraulic oil cylinder and the deformation of the support portal 100; the PLC controller controls the starting and closing of the first driving motor and the second driving motor 525, so that the monitoring position of the camera is controlled, the condition in the tunnel is monitored, meanwhile, the operation of the hydraulic oil cylinder and the deformation of the supporting portal frame 100 are monitored through the monitoring mechanisms 500 arranged on the top and two side walls, a constructor does not need to be dispatched to a construction site for watching, a worker in a shield machine monitoring room can observe the operation condition of the visual automatic supporting walking trolley through the monitoring mechanisms 500, and the site maintenance and construction can be carried out according to the actual construction requirement;
s4, the PLC acquires first position information of a first monitoring point preset on the shield tunneling machine and second position information of a second monitoring point preset on the visual automatic supporting walking trolley once every time T; the PLC can acquire the position of the visual automatic supporting walking trolley sent by a GPS (not shown in the figure);
s5, the PLC acquires the horizontal distance S between the current first monitoring point and the current second monitoring point through the first position information and the second position information;
judging whether S is larger than or equal to a first critical value S1 acquired in advance;
if so, controlling the winch 700 to stop running, stopping the visual automatic supporting walking trolley, controlling the wheel stopping protrusion 414 to extend into a wheel stopping groove (not shown in the figure) to prevent sliding, and starting a hydraulic cylinder to support the lower-layer tunnel;
if not, the winch 700 is continuously controlled to drive the visual automatic supporting walking trolley to move forward.
Further optimizing the technical scheme, when the S is greater than or equal to the pre-acquired first critical value S1, if the horizontal distance S newly acquired by the PLC controller between the first monitoring point and the second monitoring point is smaller than the pre-acquired second critical value S2, the hydraulic cylinder is controlled to descend, the wheel stopping protrusion 414 is controlled to disengage from the wheel stopping groove (not shown in the figure), and the winch 700 is started, so as to drive the visual automatic supporting traveling trolley to advance. Through the decline of hydraulic cylinder, the visual automatic supporting walking platform truck of being convenient for gos forward more, simultaneously effectual supporting mechanism has been protected.
Further, as a preferred embodiment of the invention, the length of the visual automatic supporting walking trolley is S3, and the value range of S1 is 0 & lt S1 & lt S3.
Further, the value range of S2 is 0 & lt, S2 & lt, S3, and S1 & lt, S2.
Further, as the preferred embodiment of the invention, the length of the body of the shield machine is S4, and S3 is more than or equal to S4.
Further, when the hydraulic oil cylinder is started to support the lower-layer tunnel, if the pressure value uploaded by the pressure sensor (not shown in the figure) received by the PLC is greater than a set value, a buzzer (not shown in the figure) is started and an alarm signal is transmitted to the shield machine monitoring room; the monitoring room can actively call the information of the camera 530 according to the alarm position to check, and judge whether to park the field worker to enter the field for maintenance according to the observed condition.
Further optimizing the technical method, the method further comprises a calibration step, wherein the PLC starts a pull rope displacement sensor (not shown in the figure) at the same time of starting the winch, and obtains the contraction distance S5 of the cable;
when the S is larger than or equal to a first critical value S1 acquired in advance, judging whether the S is equal to S5;
if yes, continuously judging whether S is smaller than a second critical value S2 acquired in advance, and continuously keeping normal operation of the visual automatic supporting walking trolley according to the method;
if not, starting a buzzer (not shown in the figure) and transmitting an alarm signal to a monitoring room of the shield machine, judging whether the shield machine is in a supporting range of the visual automatic supporting travelling trolley or not by the monitoring room according to the first position information and the second position information, if so, continuously judging that S is smaller than a second critical value S2 acquired in advance, and keeping the visual automatic supporting travelling trolley to continuously operate; if not, the monitoring room manually controls the visual automatic supporting walking trolley to operate to the supporting range according to the condition, or the site staff enters the site to correct the position of the visual automatic supporting walking trolley.
While the preferred embodiments of the present invention have been illustrated in the accompanying drawings, those skilled in the art will appreciate that various modifications can be made to the present invention without departing from the scope and spirit of the invention. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined in the appended claims.
Claims (10)
1. The utility model provides a visual automatic supporting walking platform truck for shield constructs in overlapping tunnel construction which characterized in that, is including supporting the portal, at least one locate on supporting the portal and be used for supporting the supporting mechanism in tunnel, locate the floorbar that supports the portal bottom, locate the gyro wheel on the floorbar to and at least one locate on supporting the portal and be used for monitoring the monitoring mechanism of platform truck walking condition.
2. The visual automatic supporting walking trolley for the shield overlapping tunnel construction according to claim 1, wherein the monitoring mechanism comprises a longitudinal axis positioning component arranged on the supporting gantry, a transverse axis positioning component arranged on the longitudinal axis positioning component in a sliding manner, and a camera arranged on the transverse axis positioning component in a sliding manner through a gear rack.
3. The visual automatic supporting walking trolley for the shield overlapping tunnel construction according to claim 2, wherein the longitudinal axis positioning assembly comprises a vertical rod which is arranged on the supporting portal and provided with a sliding groove in the middle, and at least one first rack which is fixed on the supporting portal and arranged parallel to the vertical rod; the upright stanchion is vertical to the ground.
4. The visual automatic supporting walking trolley for the shield overlapping tunnel construction according to claim 3, wherein the cross shaft positioning assembly comprises a sliding rod adapted to the sliding groove and slidably disposed in the sliding groove, a horizontal rod fixed on the sliding rod and having a groove in the middle, a first gear disposed at an end of the horizontal rod and engaged with the first rack, and a first driving motor driving the first gear to rotate.
5. The visual automatic supporting walking trolley for shield overlapping tunnel construction according to claim 4, wherein the horizontal shaft positioning assembly further comprises a second rack arranged in the groove, a second gear engaged with the second rack, a second driving motor driving the second gear, and a base slidably connected with a gear shaft of the second gear and used for fixing the camera.
6. The visual automatic supporting walking trolley for shield overlapping tunnel construction according to claim 5, wherein the horizontal shaft positioning assembly further comprises a protective sleeve slidably arranged on the lower edge of the horizontal rod and used for supporting the second driving motor.
7. The visual automatic supporting and walking trolley for the shield overlapping tunnel construction according to any one of claims 1 to 6, further comprising at least one telescopic leg arranged on the bottom beam and used for preventing sliding, a wheel stopping protrusion arranged on the telescopic leg, and a wheel stopping groove arranged on the roller and matched with the wheel stopping protrusion;
and/or;
the supporting mechanism is a hydraulic oil cylinder;
and/or;
and a pressure sensor and a buzzer are arranged at the top of the supporting mechanism.
And/or;
the tunnel is characterized by further comprising at least one winch, a pull rope displacement sensor, a GPS (global positioning system) positioner and a PLC (programmable logic controller), wherein the winch is arranged at the end part of the tunnel and connected with the bottom beam, the pull rope displacement sensor is arranged on the winch, and the GPS positioner and the PLC are arranged on the bottom beam.
8. A shield overlapping tunnel construction method is characterized in that the visual automatic supporting walking trolley used in shield overlapping tunnel construction according to claim 7 is adopted to support the shield overlapping tunnel, and the method specifically comprises the following steps:
the PLC receives a command for starting the visual automatic supporting walking trolley issued by the shield machine monitoring room;
the PLC controller starts the winch, so that the visual automatic supporting walking trolley is driven by the winch to advance along the track;
the PLC controller starts a monitoring mechanism to monitor at least one of the conditions in the tunnel, the operation of the hydraulic oil cylinder and the deformation of the support portal;
the method comprises the steps that a PLC acquires first position information of a first monitoring point preset on a shield machine and second position information of a second monitoring point preset on a visual automatic supporting walking trolley once every time T;
the PLC acquires the horizontal distance S between the current first monitoring point and the second monitoring point through the first position information and the second position information;
judging whether S is larger than or equal to a first critical value S1 acquired in advance;
if so, controlling the winch to stop running, stopping the visual automatic supporting walking trolley, controlling the stop wheel protrusion to extend into the stop wheel groove to prevent sliding, and starting the hydraulic oil cylinder to support the lower layer tunnel;
if not, the winch is continuously controlled to drive the visual automatic supporting walking trolley to move forward.
9. The shield overlapping tunnel construction method according to claim 8, wherein when the condition that S is greater than or equal to a first pre-acquired critical value S1 occurs, if a horizontal distance S newly acquired by the PLC controller between the first monitoring point and the second monitoring point is less than a second pre-acquired critical value S2, the hydraulic cylinder is controlled to descend, the wheel stopping protrusion is controlled to be separated from the wheel stopping groove, and the winch is started, so as to drive the visual automatic supporting traveling trolley to advance.
10. The shield overlapping tunnel construction method according to claim 8, wherein when the hydraulic oil cylinder is started to support the lower tunnel, if the pressure value uploaded by the pressure sensor received by the PLC controller is greater than a set value, the buzzer is started and an alarm signal is transmitted to the shield machine monitoring room; the monitoring room can actively call the camera information according to the alarm position to check, and whether field workers are dispatched to the site to be maintained is judged according to the observed condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010638532.3A CN111911211B (en) | 2020-07-06 | 2020-07-06 | Visual automatic supporting walking trolley for shield overlapping tunnel construction and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010638532.3A CN111911211B (en) | 2020-07-06 | 2020-07-06 | Visual automatic supporting walking trolley for shield overlapping tunnel construction and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111911211A true CN111911211A (en) | 2020-11-10 |
| CN111911211B CN111911211B (en) | 2022-06-28 |
Family
ID=73228018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010638532.3A Active CN111911211B (en) | 2020-07-06 | 2020-07-06 | Visual automatic supporting walking trolley for shield overlapping tunnel construction and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111911211B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112511756A (en) * | 2021-01-18 | 2021-03-16 | 上海庸别数码通讯有限公司 | Energy-saving tracking type monitoring camera equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102849092A (en) * | 2012-08-30 | 2013-01-02 | 中国葛洲坝集团股份有限公司 | Visible positioning monitoring system of tunnel trolley |
| CN203702179U (en) * | 2014-03-04 | 2014-07-09 | 张进军 | Single-track tunnel lining trolley with ventilating duct |
| CN104612718A (en) * | 2015-02-12 | 2015-05-13 | 中国水利水电第十四工程局有限公司 | Supporting trolley for overlapped shield tunnel construction and supporting trolley system |
| CN107956490A (en) * | 2017-12-29 | 2018-04-24 | 中国铁道科学研究院铁道建筑研究所 | A kind of intelligent tunnel lining trolley |
| CN208534492U (en) * | 2018-04-18 | 2019-02-22 | 重庆建工第七建筑工程有限责任公司 | Support trolley is walked for shield overlapping tunnel |
| CN208718682U (en) * | 2018-08-15 | 2019-04-09 | 中铁工程装备集团有限公司 | A kind of formwork jumbo construction monitoring system |
| CN209780916U (en) * | 2019-02-28 | 2019-12-13 | 中铁十八局集团有限公司 | Outer lining trolley system |
| CN209942836U (en) * | 2019-04-12 | 2020-01-14 | 华芯智造微电子(重庆)股份有限公司 | Visual positioning monitoring device of tunnel trolley |
-
2020
- 2020-07-06 CN CN202010638532.3A patent/CN111911211B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102849092A (en) * | 2012-08-30 | 2013-01-02 | 中国葛洲坝集团股份有限公司 | Visible positioning monitoring system of tunnel trolley |
| CN203702179U (en) * | 2014-03-04 | 2014-07-09 | 张进军 | Single-track tunnel lining trolley with ventilating duct |
| CN104612718A (en) * | 2015-02-12 | 2015-05-13 | 中国水利水电第十四工程局有限公司 | Supporting trolley for overlapped shield tunnel construction and supporting trolley system |
| CN107956490A (en) * | 2017-12-29 | 2018-04-24 | 中国铁道科学研究院铁道建筑研究所 | A kind of intelligent tunnel lining trolley |
| CN208534492U (en) * | 2018-04-18 | 2019-02-22 | 重庆建工第七建筑工程有限责任公司 | Support trolley is walked for shield overlapping tunnel |
| CN208718682U (en) * | 2018-08-15 | 2019-04-09 | 中铁工程装备集团有限公司 | A kind of formwork jumbo construction monitoring system |
| CN209780916U (en) * | 2019-02-28 | 2019-12-13 | 中铁十八局集团有限公司 | Outer lining trolley system |
| CN209942836U (en) * | 2019-04-12 | 2020-01-14 | 华芯智造微电子(重庆)股份有限公司 | Visual positioning monitoring device of tunnel trolley |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112511756A (en) * | 2021-01-18 | 2021-03-16 | 上海庸别数码通讯有限公司 | Energy-saving tracking type monitoring camera equipment |
| CN112511756B (en) * | 2021-01-18 | 2021-08-31 | 杭州翔毅科技有限公司 | Energy-saving tracking type monitoring camera equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111911211B (en) | 2022-06-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110655015B (en) | Trackless self-propelled platform car for subway tunnel maintenance | |
| CN111911211B (en) | Visual automatic supporting walking trolley for shield overlapping tunnel construction and construction method | |
| CN116335766A (en) | Steel wire rope traction type tunnel lining gridding precision inspection trolley | |
| CN111559411A (en) | Movable heavy-load carrying robot device, system and use method | |
| CN106627309A (en) | Fire-fighting command comprehensive operation vehicle | |
| CN109488352B (en) | Anchor rod drill carriage and roadway operation method thereof | |
| CN110304083A (en) | A kind of track train bogie traction AGV and its control method | |
| CN116122911A (en) | Pointer swing rod type tunnel lining gridding precision inspection trolley | |
| JP2010078142A (en) | Pipe-in-pipe method | |
| CN112644435B (en) | Tunnel monitoring equipment installation trolley and use method thereof | |
| CN110985091B (en) | Flue plate laying machine suitable for large-diameter flue plates and laying method thereof | |
| CN112937417B (en) | Pipeline unloading device, system and method | |
| Lussu et al. | Innovative TBM transport logistics in the constructive lot H33–Brenner Base Tunnel | |
| CN110920638A (en) | Liftable suspension type air-iron evacuation platform | |
| CN110936965A (en) | Large-span bridge suspension type air-rail evacuation platform | |
| CN110356782B (en) | Bogie transfer system | |
| CN113309574B (en) | Tunnel monitoring and locomotive unmanned driving system and method based on automatic cruise | |
| CN114890321A (en) | Hoisting machine convenient to install and installation method thereof | |
| CN210707382U (en) | Rail train bogie traction AGV | |
| CN111119934B (en) | Tunnel boring machine suitable for assembling rear part of bottom arch and bottom arch assembling method | |
| CN114439262B (en) | Automatic safety net protector in hole | |
| CN114772325A (en) | Control system and method for automatic water feeding butt joint device for port dust removal in winter | |
| CN219638841U (en) | Steel wire rope traction type tunnel lining maintenance and detection integrated trolley | |
| CN211364537U (en) | Movable suspended type air-rail evacuation platform and system | |
| CN110904835A (en) | Portable light unmanned inspection vehicle for bridge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |