CN117602554A - Anti-collision detection method and system for tunnel maintenance auxiliary operation platform - Google Patents

Anti-collision detection method and system for tunnel maintenance auxiliary operation platform Download PDF

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Publication number
CN117602554A
CN117602554A CN202311831580.4A CN202311831580A CN117602554A CN 117602554 A CN117602554 A CN 117602554A CN 202311831580 A CN202311831580 A CN 202311831580A CN 117602554 A CN117602554 A CN 117602554A
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China
Prior art keywords
distance
preset
detection
operation platform
cable
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CN202311831580.4A
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Inventor
蒲鹏飞
史天亮
杨振彪
袁飞宇
李美香
张宁
张金庭
郭华雄
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CRCC High Tech Equipment Corp Ltd
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CRCC High Tech Equipment Corp Ltd
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Priority to CN202311831580.4A priority Critical patent/CN117602554A/en
Publication of CN117602554A publication Critical patent/CN117602554A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
    • B66F11/042—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations actuated by lazy-tongs mechanisms or articulated levers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
    • B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

The embodiment of the application provides an anti-collision detection method and system for a tunnel maintenance auxiliary operation platform, comprising the following steps: acquiring a horizontal detection distance between a preset detection point of an operation platform and a contact network cable; judging whether the horizontal detection distance between the contact network cable and the operation platform is smaller than or equal to the cable preset distance, and if yes, giving an alarm. Compared with the prior art, the anti-collision detection method and the anti-collision detection system for the tunnel maintenance auxiliary operation platform have the following technical effects: and detecting the horizontal detection distance between a preset detection point of the side pushing operation platform and the contact network cable, and alarming when the horizontal detection distance between the contact network cable and the operation platform is smaller than or equal to the preset cable distance. Therefore, the automatic detection of the obstacle can be carried out on the tunnel maintenance auxiliary operation platform, the detection efficiency is improved, the detection range is enlarged, the area of a detection blind area is reduced, the labor cost is reduced, and the system safety is improved.

Description

Anti-collision detection method and system for tunnel maintenance auxiliary operation platform
Technical Field
The application relates to the technical field of tunnel maintenance, in particular to an anti-collision detection method and system for an auxiliary operation platform for tunnel maintenance.
Background
At present, the tunnel maintenance auxiliary operation platform comprises an operation platform and a fork shearing mechanism, wherein the operation platform is provided with a main operation platform and a side pushing operation platform, the side pushing operation platform stretches and contracts along the width direction of the main operation platform, and the platform area of the auxiliary operation platform is adjusted. When the working platform is in the super-high orbit, the interference between the working platform and the contact network cable is easy to occur.
The existing auxiliary operation platform for tunnel maintenance relies on a manual mode to detect peripheral obstacles, has the problems of low efficiency, large detection blind area, high labor cost, poor safety and the like, and is difficult to adapt to the requirements of rapid growth of railway tunnels and tunnel maintenance in China. The non-contact detection technologies such as laser and ultrasonic sensors are very mature, are gradually perfected, are widely applied to vehicles and various industries, greatly reduce labor cost, enlarge detection visual field, improve detection efficiency and bring obvious convenience to users.
Disclosure of Invention
The embodiment of the application provides an anti-collision detection method and an anti-collision detection system for a tunnel maintenance auxiliary operation platform, which are used for solving the problems that the existing tunnel maintenance auxiliary operation platform relies on a manual mode to detect peripheral obstacles, and has low efficiency, large detection blind area, high labor cost, poor safety and the like.
In order to achieve the above purpose, the present application provides the following technical solutions:
an anti-collision detection method of a tunnel maintenance auxiliary operation platform comprises the following steps:
acquiring a horizontal detection distance between a preset detection point of an operation platform and a contact network cable;
judging whether the horizontal detection distance between the contact network cable and the operation platform is smaller than or equal to the cable preset distance, and if yes, giving an alarm.
Optionally, before the obtaining the horizontal detection distance between the preset detection point of the working platform and the contact network cable, the method further includes:
acquiring the transverse width of the operation platform after the side pushing operation platform is extended;
the cable preset distance is the sum of the transverse width and a preset safety distance.
Optionally, when the horizontal detection distance between the contact network cable and the operation platform is smaller than or equal to the cable preset distance, an alarm is given, which specifically includes:
when the horizontal detection distance is smaller than or equal to a first cable preset distance, the operation platform is controlled to suddenly stop and alarm in a first preset mode; the first cable preset distance is the sum of the transverse width and a first preset safety distance.
Optionally, when the horizontal detection distance between the contact network cable and the operation platform is smaller than or equal to the cable preset distance, an alarm is given, and the method further comprises:
when the horizontal detection distance is smaller than or equal to a second cable preset distance, controlling the operation platform to slow down and alarming in a second preset mode; the second cable preset distance is the sum of the transverse width of the operation platform and a second preset safety distance, and the second preset safety distance is larger than the first preset safety distance.
Optionally, the alarming in the first preset mode specifically includes:
the report "please note that the work platform is too close to the touch screen cable", and the control indicator light displays red and blinks.
Optionally, the alarming in the second preset mode specifically includes:
the report "please note that the work platform is closer to the touch screen cable", and the control indicator light displays yellow and blinks.
Optionally, the method further comprises:
detecting the actual distance between the working platform and the tunnel wall surface;
judging whether the actual tunnel distance is larger than or equal to a first tunnel distance safety value and smaller than a second tunnel distance safety value, wherein the second tunnel distance safety value is larger than the first tunnel distance safety value; if yes, alarming in a third preset mode.
Optionally, the method further comprises:
judging whether the actual distance of the tunnel is smaller than the first tunnel distance safety value, and if yes, alarming in a fourth preset mode.
Optionally, the method further comprises:
detecting a vehicle distance between the working platform and an adjacent vehicle in the travelling direction;
judging whether the vehicle distance is larger than or equal to a first vehicle distance safety value and smaller than a second vehicle distance safety value, wherein the second vehicle distance safety value is larger than the first vehicle distance safety value; if yes, controlling the operation platform to slow down, and alarming in a fifth preset mode.
Optionally, the method further comprises:
judging whether the vehicle distance is smaller than a first vehicle distance safety value, if so, controlling the operation platform to suddenly stop, and alarming in a sixth preset mode.
The application provides an auxiliary operation platform's anticollision detecting system is maintained in tunnel, include:
the contact network cable distance detection device is arranged on the side pushing operation platform and is used for detecting the horizontal detection distance between the contact network cable and a preset detection point of the side pushing operation platform;
the control device is connected with the contact network cable distance detection device and is used for alarming when the horizontal detection distance between the contact network cable and the operation platform is smaller than or equal to the cable preset distance.
The anti-collision detection method for the tunnel maintenance auxiliary operation platform provided by the embodiment of the application comprises the following steps: acquiring a horizontal detection distance between a preset detection point of an operation platform and a contact network cable; judging whether the horizontal detection distance between the contact network cable and the operation platform is smaller than or equal to the cable preset distance, and if yes, giving an alarm.
Compared with the prior art, the anti-collision detection method and the anti-collision detection system for the tunnel maintenance auxiliary operation platform have the following technical effects:
and detecting the horizontal detection distance between a preset detection point of the operation platform and the contact network cable, and alarming when the horizontal detection distance between the contact network cable and the operation platform is smaller than or equal to the preset cable distance. From this with can carry out the barrier automated inspection to side pushing away work platform and contact net cable, improve detection efficiency to enlarge detection range and reduce the detection blind area, reduce the human cost, improve system security.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
fig. 1 is a flow chart of an anti-collision detection method of a tunnel maintenance auxiliary operation platform provided in an embodiment of the present application;
FIG. 2 is a schematic diagram of an anti-collision detection system according to an embodiment of the present application;
fig. 3 is a schematic system structure diagram of an anti-collision detection system according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a tunnel maintenance auxiliary operation platform according to an embodiment of the present application;
fig. 5 is an enlarged partial schematic view of fig. 4.
The figures are marked as follows:
a main working platform 1 and a side pushing working platform 2;
control device 110, contact network cable distance detection device 120, platform width detection device 130, tunnel detection device 140, and vehicle distance detection device 150.
Detailed Description
The embodiment of the invention discloses an anti-collision detection method and an anti-collision detection system for a tunnel maintenance auxiliary operation platform, which are used for solving the problems that the existing tunnel maintenance auxiliary operation platform relies on a manual mode to detect peripheral obstacles, and has low efficiency, large detection blind area, high labor cost, poor safety and the like.
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following detailed description of exemplary embodiments of the present application is given with reference to the accompanying drawings, and it is apparent that the described embodiments are only some of the embodiments of the present application and not exhaustive of all the embodiments. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.
Referring to fig. 1 to 5, fig. 1 is a flowchart of an anti-collision detection method of a tunnel maintenance auxiliary operation platform according to an embodiment of the present application; FIG. 2 is a schematic diagram of an anti-collision detection system according to an embodiment of the present application; fig. 3 is a schematic system structure diagram of an anti-collision detection system according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a tunnel maintenance auxiliary operation platform according to an embodiment of the present application; fig. 5 is an enlarged partial schematic view of fig. 4.
In a specific embodiment, the method for detecting collision of the tunnel maintenance auxiliary operation platform provided by the application comprises the following steps:
s11: acquiring a horizontal detection distance J1 between a preset detection point of an operation platform and a contact network cable; it can be understood that the side pushing working platform 2 is generally disposed at one end deviating from the contact network cable along the transverse direction, the preset detection point is generally disposed at a preset height above the guardrail of the side pushing working platform 2, the working platform is ultrahigh in the ascending process, in order to prevent the working platform from colliding with the contact network cable located above, the preset detection point is disposed at a preset height above the guardrail of the side pushing working platform 2, and the horizontal detection distance between the preset detection point and the contact network cable is detected along the horizontal direction, when the horizontal detection distance is smaller than or equal to the preset cable distance, the working platform is considered to interfere with the contact network cable if the working platform continues to ascend.
S12: judging whether the horizontal detection distance between the contact network cable and the operation platform is smaller than or equal to the cable preset distance L;
s13: if yes, alarming is carried out.
The alarm mode can be to alarm on the screen of the main control room or to alarm by adopting an audible and visual alarm.
By adopting the anti-collision detection method of the tunnel maintenance auxiliary operation platform, compared with the prior art, the anti-collision detection method has the following technical effects:
and by detecting the horizontal detection distance between the preset detection point of the side pushing operation platform 2 and the contact network cable, when the horizontal detection distance between the contact network cable and the operation platform is smaller than or equal to the preset cable distance, alarming is carried out. Therefore, the obstacle can be automatically detected on the side pushing operation platform 2 and the contact network cable, the detection efficiency is improved, the detection range is enlarged, the detection blind area is reduced, the labor cost is reduced, and the system safety is improved.
Specifically, before step S11, the method further includes:
acquiring the transverse width of the operation platform after the side pushing operation platform 2 is extended;
the cable preset distance L is the sum of the transverse width and a preset safety distance.
Detecting the transverse width between a preset detection point and an origin of the side pushing operation platform 2 by taking the transverse end wall of the main operation platform 1 as a reference point to obtain the transverse width, and adding the transverse width and a preset safety distance to obtain a cable preset distance L; the preset safety distance may be 0-0.2 m, and when the preset safety distance is 0, the contact network cable may be considered to alarm when the contact network cable is located right above the main operation platform 1.
Preferably, the preset detection point of the side pushing working platform 2 is located at the farthest point of the side pushing working platform 2 away from the main working platform 1, and the transverse width is the transverse width of the working platform at this time, so as to facilitate setting and data acquisition, and prevent the distance detection operation of the preset detection point from being affected when the side pushing working platform 2 moves transversely relative to the main working platform 1.
In some embodiments, when the horizontal detection distance between the contact network cable and the operation platform is less than or equal to the cable preset distance, alarming is performed, which specifically includes:
when the horizontal detection distance is smaller than or equal to the first cable preset distance, the operation platform is controlled to suddenly stop and alarm in a first preset mode; the first cable preset distance is the sum of the transverse width and the first preset safety distance. The first preset safety distance is 0, and the first cable preset distance is the transverse width, namely, in the horizontal projection direction, the contact network cable is in alarm when intersecting with the operation platform.
Specifically, the alarming in the first preset mode specifically comprises:
the report "please note that the work platform is too close to the touch screen cable", and the control indicator light displays red and blinks. Thereby reminding the operator of the current situation in time; the alarm can be realized by arranging an audible and visual alarm.
In another embodiment, the method further comprises:
when the horizontal detection distance is smaller than or equal to the second cable preset distance, controlling the operation platform to slow down and alarming in a second preset mode; the second cable preset distance is the sum of the transverse width and a second preset safety distance, and the second preset safety distance is larger than the first preset safety distance. The preset distance of the second cable is set to be 0.1-0.3 meter, so that early warning is carried out when the contact network cable is close to the operation platform, the situation that the operation platform cannot avoid obstacles when the running speed is high is prevented, and the safety of the system is further improved.
Specifically, the alarming in the second preset mode specifically includes:
the report "please note that the work platform is closer to the touch screen cable", and the control indicator light displays yellow and blinks.
In other embodiments, the above method further comprises:
detecting the actual tunnel distance C1 between the working platform and the tunnel wall surface;
judging whether the actual tunnel distance C1 is larger than or equal to a first tunnel distance safety value and smaller than a second tunnel distance safety value, wherein the second tunnel distance safety value is larger than the first tunnel distance safety value; if yes, alarming in a third preset mode. In this embodiment, the first tunnel distance safety value is 0.2-0.5 meters, in particular 0.2, 0.3or 0.5 meters, and the second tunnel distance safety value is 0.8 meters; the first tunnel distance security value and the second tunnel distance security value may be set as needed. The third preset mode alarm specifically comprises the following steps: broadcasting "please note that the operation platform is close to the tunnel wall-! ", and the control indicator light shows yellow and blinks.
Further, the method further comprises the steps of:
judging whether the actual distance D1 of the tunnel is smaller than the first tunnel distance safety value, and if so, alarming in a fourth preset mode. The fourth preset mode alarm specifically comprises: broadcasting "please note that the operation platform is too close to the tunnel wall-! ", and the control indicator light displays red and blinks.
In this embodiment, the method further comprises:
detecting a vehicle distance between the working platform and an adjacent vehicle in the travelling direction;
judging whether the vehicle distance D1 is larger than or equal to a first vehicle distance safety value and smaller than a second vehicle distance safety value, wherein the second vehicle distance safety value is larger than the first vehicle distance safety value; if yes, controlling the operation platform to slow down, and alarming in a fifth preset mode. Judging whether the vehicle distance is smaller than the first vehicle distance safety value, if so, controlling the operation platform to suddenly stop, and alarming in a sixth preset mode. The first vehicle distance safety value is 1.5-3 meters, in particular 1.5, 2or 3 meters, preferably 2 meters; the second vehicle distance safety value is between 4.5 and 5.5, preferably set to 5 meters.
The fifth preset mode alarm specifically comprises: the report "please note that the work platform is closer to the vehicle, and the control indicator lights display yellow and flash. The sixth preset mode alarm specifically comprises: the report "please note that the work platform is too close to the vehicle, and the control indicator light shows red and blinks.
As shown in fig. 3, based on the above method, the present application further provides an anti-collision detection system corresponding to the above detection method one by one, which is compared with the above method; the anti-collision detection system comprises a contact network cable distance detection device 120 and a control device 110; the contact network cable distance detection device 120 is arranged at a preset detection point on the side pushing operation platform 2, and detects the horizontal detection distance between the contact network cable and the side pushing operation platform 2; the preset detection point is arranged at the end part of the lateral pushing working platform 2, which transversely deviates from the main working platform 1, and it is understood that the contact network cable is generally arranged between the two working platforms, when the working platform is at an ultrahigh road section, the contact network cable and the working platforms at the two sides are easy to rub and collide due to deflection in the running process, and in order to avoid the occurrence of the collision condition, the contact network cable distance detection device 120 is arranged; in the horizontal projection, when an intersection point occurs between the contact network cable and the operation platform, the operation platform is considered to be easy to collide with the contact network cable if the operation platform continues to move upwards; specifically, the contact network cable distance detecting device 120 is disposed on the side pushing working platform 2, and detects a horizontal detection distance between the contact network cable and the side pushing working platform 2, and alarms when the distance between the contact network cable and the side pushing working platform 2 is not greater than a cable preset distance, where the cable preset distance may be a distance between a preset detection point and a transverse end wall of the main working platform 1, or in another embodiment, the contact network cable distance detecting device 120 is disposed at a farthest end of the side pushing working platform 2 facing away from the main working platform 1.
The control device 110 is connected to the contact network cable distance detection device 120, and the control device 110 is used for alarming when the horizontal detection distance between the contact network cable and the working platform is smaller than or equal to the cable preset distance. Preferably, the cable preset distance is set according to the distance between the contact network cable distance detecting device 120 and the transverse end wall of the main operation platform 1, preferably, the contact network cable distance detecting device 120 is set at the transverse farthest end of the side pushing operation platform 2 away from the main operation platform 1, the distance between the two is the width of the operation platform, and accordingly, the cable preset distance can be set as the transverse width of the operation platform, when the contact network cable distance detecting device 120 detects the horizontal detection distance between the contact network cable and the contact network cable, the horizontal detection distance is smaller than or equal to the transverse width of the operation platform, namely, when the operation platform is considered to move upwards continuously, the risk of collision with the contact network cable exists, and an alarm is given. The operation platform is exemplified by a transverse width of 2 meters, and when the horizontal detection distance is less than or equal to 2 meters, then in horizontal projection, an intersection point exists between the contact network cable and the operation platform, so that an alarm is given.
It will be appreciated that for the arrangement of the contact network cable distance detection device 120, it is generally arranged on the guardrail on the side-pushing working platform 2 and 5-15 cm higher than the upper surface of the guardrail, so as to provide a sudden stop distance for the working platform and improve the safety of the system.
By adopting the anti-collision detection method of the tunnel maintenance auxiliary operation platform, compared with the prior art, the anti-collision detection method has the following technical effects:
and by detecting the horizontal detection distance between the preset detection point of the side pushing operation platform 2 and the contact network cable, when the horizontal detection distance between the contact network cable and the operation platform is smaller than or equal to the preset cable distance, alarming is carried out. Therefore, the obstacle can be automatically detected on the side pushing operation platform 2 and the contact network cable, the detection efficiency is improved, the detection range is enlarged, the detection blind area is reduced, the labor cost is reduced, and the system safety is improved.
Further, based on the arrangement that the operation platform can extend and retract in the transverse direction, the transverse width of the operation platform after the side pushing operation platform 2 is extended is detected by arranging the platform width detection device 130, and the platform width detection device 130 is arranged on the plane of the transverse end wall of the main operation platform 1; in one embodiment, when the horizontal detection distance is less than or equal to the lateral width, the contact net cable is considered to collide with the work platform for alarming. Or the preset distance of the cable is the sum of the transverse width and the preset safety distance, wherein the preset safety distance is 0, and the preset safety distance can be set to be 0-0.3 m; to improve system safety, the preset safety distance may be set to 0.3 meters to provide a sudden stop distance for the work platform in the lateral direction. Likewise, the platform width detection device 130 may be disposed on the bottom rail of the main working platform 1, the contact network cable distance detection device 120 and the platform width detection device 130 may be disposed as a laser sensor, and in other embodiments, other types of sensors may be selected as long as the same technical effect can be achieved, such as an ultrasonic sensor, etc. The contact network cable distance detection device 120 can be respectively arranged at the head end and the tail end along the length direction of the auxiliary operation platform so as to respectively detect the two ends of the contact network cable, thereby increasing the detection comprehensiveness of the system; and alarming when the distance between any one of the contact network cables and the preset detection point is smaller than the preset distance of the cable.
In this particular embodiment, the control device 110 is specifically configured to:
when the horizontal detection distance is smaller than or equal to the first cable preset distance, the operation platform is controlled to suddenly stop and alarm in a first preset mode; the first cable preset distance is the sum of the transverse width and the first preset safety distance; the first cable preset distance is the sum of the transverse width and the first preset safety distance. The first preset safety distance is 0, and the first cable preset distance is the transverse width, namely, in the horizontal projection direction, the contact network cable is in alarm when intersecting with the operation platform. Specifically, the alarming in the first preset mode specifically comprises: the report "please note that the work platform is too close to the touch screen cable", and the control indicator light displays red and blinks. Thereby reminding the operator of the current situation in time; the alarm can be realized by arranging an audible and visual alarm.
Further, the control device 110 is further configured to:
when the horizontal detection distance is smaller than or equal to the second cable preset distance, controlling the operation platform to slow down and alarming in a second preset mode; the second cable preset distance is the sum of the transverse width and a second preset safety distance, and the second preset safety distance is larger than the first preset safety distance. The second cable preset distance is the sum of the transverse width and a second preset safety distance, and the second preset safety distance is larger than the first preset safety distance. The preset distance of the second cable is set to be 0.1-0.3 meter, so that early warning is carried out when the contact network cable is close to the operation platform, the situation that the operation platform cannot avoid obstacles when the running speed is high is prevented, and the safety of the system is further improved.
Specifically, the alarming in the second preset mode specifically includes:
the report "please note that the work platform is closer to the touch screen cable", and the control indicator light displays yellow and blinks.
In a specific embodiment, the detection system further includes a tunnel detection device 140, which is disposed at two lateral sides of the working platform, and detects an actual distance between the working platform and a tunnel wall surface; the side pushing working platform 2 and the main working platform 1 are respectively arranged in the middle along the longitudinal direction and are also arranged on the guardrails and are 5-15 cm higher than the guardrails; the arrangement may be specifically made with reference to the contact network cable distance detection device 120. Taking the side pushing platform 2 as an example, two tunnel detection devices 140 are arranged at the longitudinal center of the side pushing platform 2, and the actual tunnel distance between the side pushing platform 2 and the tunnel wall surface is detected. The tunnel detection device 140 is preferably an ultrasonic sensor which is not uniformly arranged at the upper end of the outer side guardrail of the operation platform and is embedded in the guardrail, the ultrasonic sensor is arranged facing the tunnel wall, the central line of the ultrasonic sensor passes through the center of the circle of the cross section of the tunnel, the detection range of the ultrasonic sensor is 0.03-4 m, and the ultrasonic sensor is required to be kept at a certain distance during installation, so that mutual interference is avoided.
The tunnel detection device 140 is connected with the control device 110, and the control device 110 is further configured to alarm in a third preset manner when the actual tunnel distance is greater than or equal to the first tunnel distance safety value and less than the second tunnel distance safety value; the second tunnel distance safety value is greater than the first tunnel distance safety value. In this embodiment, the first tunnel distance safety value is 0.2-0.5 meters, in particular 0.2, 0.3or 0.5 meters, and the second tunnel distance safety value is 0.8 meters; the first tunnel distance security value and the second tunnel distance security value may be set as needed. The third preset mode alarm specifically comprises the following steps: broadcasting "please note that the operation platform is close to the tunnel wall-! ", and the control indicator light shows yellow and blinks.
In another embodiment, the control device 110 is further configured to alarm in a fourth preset manner when the actual tunnel distance is smaller than the first tunnel distance safety value, specifically: broadcasting "please note that the operation platform is too close to the tunnel wall-! ", and the control indicator light displays red and blinks.
Specifically, the detection system further includes a vehicle distance detection device 150, configured to be disposed at two longitudinal ends of the operation platform, and detect a vehicle distance between the operation platform and an adjacent vehicle in the traveling direction; the vehicle distance detection device 150 is connected with the control device 110, and the control device 110 is further configured to alarm in a fifth preset manner when the vehicle distance is greater than or equal to the first vehicle distance safety value and less than the second vehicle distance safety value; wherein the second vehicle distance safety value is greater than the first vehicle distance safety value. The vehicle distance detection device 150 may also be provided as a laser sensor, an ultrasonic sensor, or other types of sensors as long as the same technical effects can be achieved.
The vehicle distance detecting device 150 is fixed at the bottom of the working platform, preferably at both ends of the longitudinal center line, detects the vehicle distance between the working platform and the adjacent vehicles in the traveling direction, and controls the working platform to slow down and alarm in a fifth preset mode when the vehicle distance is greater than or equal to the first vehicle distance safety value and less than the second vehicle distance safety value. The fifth preset mode alarm specifically comprises: the report "please note that the work platform is closer to the vehicle, and the control indicator lights display yellow and flash. The sixth preset mode alarm specifically comprises: the report "please note that the work platform is too close to the vehicle, and the control indicator light shows red and blinks. The control device 110 is also used for alarming in a sixth preset mode when the vehicle distance is smaller than the first vehicle distance safety value.
Based on the above anti-collision detection system, the present application further provides a tunnel maintenance auxiliary work platform, which comprises a supporting device and a work platform located above the supporting device, wherein the work platform comprises a main work platform 1 and a side pushing work platform 2, and the side pushing work platform 2 is configured to be capable of moving relative to the width direction of the main work platform 1 so that the platform area of the work platform can be increased or decreased; further comprises:
the anti-collision detection system according to any one of the above embodiments, the contact network cable distance detection device 120 and the tunnel detection device 140 of the anti-collision detection system are respectively disposed on the guardrails of the side-pushing platform 2; the platform width detection device 130 of the anti-collision detection system is provided at the lateral end of the main work platform 1; the vehicle spacing detection device 150 of the anti-collision detection system is located on the longitudinal centerline of the bottom of the support device.
The tunnel maintenance auxiliary operation platform comprises two operation platforms which are arranged oppositely in the transverse direction and a supporting device corresponding to the operation platforms; the supporting device comprises a scissor platform, a hinged platform, a leveling device, a running device, an upright post, an escalator, supporting legs, a power device and the like; the contact network cable distance detection device 120 and the tunnel detection device 140 are respectively arranged on guardrails of the side pushing operation platform 2, wherein the contact network cable distance detection device 120 comprises 4 laser sensors, and each operation platform comprises 2 laser sensors; the tunnel detection device 140 is composed of 4 ultrasonic sensors, 2 for each work platform, and the vehicle distance detection device 150 is composed of front and rear 2 laser sensors. The detection range of the point laser sensor is 0.06-5 m, and if the foreign matter exceeds the detection range, the maximum detection distance of the point laser detection is assigned to 5m. In other embodiments, the spot laser may be replaced by a line laser, an infrared laser, or a light curtain; the ultrasonic sensor may be provided as a laser or radar sensor.
Specifically, when the distance between the contact net cable detected by the laser sensor is not greater than the transverse width of the operation platform, namely J1 is less than or equal to L or J2 is less than or equal to L, the contact net cable is about to collide with the platform, the scissors platform suddenly stops, the loudspeaker plays please note that the distance between the 1-I platform and the contact net cable is too close-! "prompt tone, indicator light red flashing reminds the user. When the working platform is 0.3-0.8 m away from the tunnel wall, namely, C1 is more than or equal to 0.3 and less than or equal to 0.8or C2 is more than or equal to 0.3 and less than or equal to 0.8, the system reminds the user that the platform is close to the tunnel through voice, and the warning lamp flashes in yellow to remind the user; when the distance between the platform and the tunnel wall is less than 0.3m, namely C1 is less than 0.3or C2 is less than 0.3, the scissors platform actuating mechanism adopts scram measures to prevent collision, the warning lamp flashes in red to remind a user, and the voice is used for reminding the user that the platform is too close to the tunnel. When the distance between the working platform and the vehicle is 2-5 m, namely, D1 is more than or equal to 2 and less than or equal to 2or less than or equal to 2 and D2 is more than or equal to 5, the system reminds the user that the working platform is close to the vehicle through voice, the executing mechanism takes a deceleration measure, and the warning lamp flashes in yellow to remind the user; when the distance between the auxiliary operation platform and the vehicle is smaller than 2m, namely D1<2or D2<2, the executing mechanism adopts scram measures to prevent collision, the warning lamp flashes in red to warn the user, and the user is reminded that the auxiliary operation platform is too close to the vehicle through voice.
While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the spirit or scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims and the equivalents thereof, the present application is intended to cover such modifications and variations.

Claims (11)

1. The anti-collision detection method for the tunnel maintenance auxiliary operation platform is characterized by comprising the following steps of:
acquiring a horizontal detection distance between a preset detection point of an operation platform and a contact network cable;
judging whether the horizontal detection distance between the contact network cable and the operation platform is smaller than or equal to the cable preset distance, and if yes, giving an alarm.
2. The method for detecting collision avoidance of a tunnel maintenance auxiliary work platform according to claim 1, wherein before the step of obtaining the horizontal detection distance between the preset detection point of the work platform and the contact network cable, the method further comprises:
acquiring the transverse width of the operation platform after the side pushing operation platform is extended;
the cable preset distance is the sum of the transverse width and a preset safety distance.
3. The method for detecting the collision avoidance of a tunnel maintenance auxiliary work platform according to claim 2, wherein when the horizontal detection distance between the contact network cable and the work platform is less than or equal to the cable preset distance, an alarm is given, specifically comprising:
when the horizontal detection distance is smaller than or equal to a first cable preset distance, the operation platform is controlled to suddenly stop and alarm in a first preset mode; the first cable preset distance is the sum of the transverse width and a first preset safety distance.
4. The method for detecting collision avoidance of a tunnel maintenance auxiliary work platform according to claim 3, wherein when the horizontal detection distance between the contact network cable and the work platform is less than or equal to the cable preset distance, an alarm is given, further comprising:
when the horizontal detection distance is smaller than or equal to a second cable preset distance, controlling the operation platform to slow down and alarming in a second preset mode; the second cable preset distance is the sum of the transverse width of the operation platform and a second preset safety distance, and the second preset safety distance is larger than the first preset safety distance.
5. The method for detecting collision avoidance of a tunnel maintenance auxiliary work platform according to claim 3, wherein the alarming in the first preset manner specifically comprises:
the report "please note that the work platform is too close to the touch screen cable", and the control indicator light displays red and blinks.
6. The method for detecting collision avoidance of a tunnel maintenance auxiliary work platform according to claim 4, wherein the alarming in the second preset manner specifically comprises:
the report "please note that the work platform is closer to the touch screen cable", and the control indicator light displays yellow and blinks.
7. The method for collision avoidance detection of a tunnel maintenance assistance work platform according to claim 1, further comprising:
detecting the actual distance between the working platform and the tunnel wall surface;
judging whether the actual tunnel distance is larger than or equal to a first tunnel distance safety value and smaller than a second tunnel distance safety value, wherein the second tunnel distance safety value is larger than the first tunnel distance safety value; if yes, alarming in a third preset mode.
8. The method for collision avoidance detection of a tunnel maintenance assistance work platform according to claim 7, further comprising:
judging whether the actual distance of the tunnel is smaller than the first tunnel distance safety value, and if yes, alarming in a fourth preset mode.
9. The method for collision avoidance detection of a tunnel maintenance assistance work platform according to claim 1, further comprising:
detecting a vehicle distance between the working platform and an adjacent vehicle in the travelling direction;
judging whether the vehicle distance is larger than or equal to a first vehicle distance safety value and smaller than a second vehicle distance safety value, wherein the second vehicle distance safety value is larger than the first vehicle distance safety value; if yes, controlling the operation platform to slow down, and alarming in a fifth preset mode.
10. The method for collision avoidance detection of a tunnel maintenance assistance work platform according to claim 9, further comprising:
judging whether the vehicle distance is smaller than a first vehicle distance safety value, if so, controlling the operation platform to suddenly stop, and alarming in a sixth preset mode.
11. An anti-collision detection system of a tunnel maintenance auxiliary operation platform, comprising:
the contact network cable distance detection device is arranged on the side pushing operation platform and is used for detecting the horizontal detection distance between the contact network cable and a preset detection point of the side pushing operation platform;
the control device is connected with the contact network cable distance detection device and is used for alarming when the horizontal detection distance between the contact network cable and the operation platform is smaller than or equal to the cable preset distance.
CN202311831580.4A 2023-12-28 2023-12-28 Anti-collision detection method and system for tunnel maintenance auxiliary operation platform Pending CN117602554A (en)

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CN202311831580.4A CN117602554A (en) 2023-12-28 2023-12-28 Anti-collision detection method and system for tunnel maintenance auxiliary operation platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311831580.4A CN117602554A (en) 2023-12-28 2023-12-28 Anti-collision detection method and system for tunnel maintenance auxiliary operation platform

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CN117602554A true CN117602554A (en) 2024-02-27

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