CN217810507U - Bridge bottom inspection vehicle for bridge safety inspection - Google Patents
Bridge bottom inspection vehicle for bridge safety inspection Download PDFInfo
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- CN217810507U CN217810507U CN202220916194.XU CN202220916194U CN217810507U CN 217810507 U CN217810507 U CN 217810507U CN 202220916194 U CN202220916194 U CN 202220916194U CN 217810507 U CN217810507 U CN 217810507U
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Abstract
The utility model belongs to the technical field of bridge safety inspection, and particularly discloses a beam bottom inspection vehicle for bridge safety inspection, which comprises an inspection vehicle body and a control system, wherein the inspection vehicle body comprises a main truss and rotary trusses arranged on two sides of the main truss; rotating devices are arranged on two sides of the main truss and are used for driving the rotating trusses to rotate; the rotating device is provided with a rotating angle measuring device; the first distance measuring instruments are arranged on the left side and the right side of the front side of the main truss and used for detecting the distance between the front side of the main truss and a pier; the detection end of the first distance meter is obliquely arranged towards the outside; the first distance meter, the rotating device and the rotating angle measuring equipment are respectively connected with the control system. The control system can judge the position of the rotary truss and judge whether the risk of collision with the pier exists, so that intelligent and automatic operation of the rotary truss and the inspection vehicle is realized.
Description
Technical Field
The utility model belongs to the technical field of bridge safety inspection, especially, relate to a bridge is beam-bottom inspection car for safety inspection.
Background
At present, a bridge inspection vehicle generally adopts a suspension crane scheme according to the structural form of a beam, namely a travelling mechanism is inverted on an I-shaped steel (or H-shaped steel) track through steel wheels, and a vehicle frame is connected with the travelling mechanism and runs under the driving of a motor. At present, the beam bottom inspection vehicle adopts the inspection vehicle that the left and right trusses rotate to pass through the pier, and the safety and the operational reliability of the pier are not fully considered, and the safety protection detection mode commonly used for passing the pier is as follows:
1. detecting whether the vehicle passes the pier or not, wherein the detection that the vehicle passes the pier is realized by visual inspection and manual operation of an operator; the pier passing mode is influenced by the technology and the environment of an operator, and potential safety hazards of collision of an inspection vehicle on a pier exist.
2. The detection device comprises a truss, a bridge pier, an electric control system and a limit detection device, wherein the truss is provided with a limit switch, the track far away from the bridge pier is provided with a limit trigger device, when an inspection vehicle is triggered by the limit switch, the inspection vehicle stops and brakes, the electric control system prompts the rotation of the truss, and the inspection vehicle continuously runs through the pier; according to the pier passing mode, the inspection vehicle cannot be close to the pier for inspection due to the installation position of the limiting triggering device in front of the pier, a detection blind area exists at the bottom of a large bridge, and meanwhile, the limiting triggering device needs to be arranged near a pier track, so that the construction workload is large.
3. Detecting the pier through a light curtain or a photoelectric switch or ultrasonic waves, stopping and braking the inspection vehicle when the pier is detected through the light curtain or the photoelectric switch or the ultrasonic waves, and continuously driving the inspection vehicle to pass through the pier after the truss rotates in place; this kind of cross mound mode is subject to sensor detection distance, and the inspection car can't be close to the pier inspection, receives the influence of rotary truss at different position angles simultaneously, and detection distance is inaccurate probably to appear, receives environmental impact sensor feedback information to become invalid, and the condition that strikes the pier or the system reports to the police can't cross the mound when leading to the inspection car to cross the mound leads to.
The existing inspection vehicle has certain defects, such as the problems of technical influence of operators, detection blind areas and incapability of being close to bridge piers for detection.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bridge is beam bottom inspection car for safety inspection to solve the problem that operating personnel technical influence, existence detection blind area and unable pier detection of present inspection car existence.
In order to achieve the above purpose, the technical scheme of the utility model is that: a beam bottom inspection vehicle for bridge safety inspection comprises an inspection vehicle body and a control system, wherein the inspection vehicle body comprises a main truss and rotary trusses arranged on two sides of the main truss; rotating devices are arranged on two sides of the main truss and are used for driving the rotating trusses to rotate; the rotating device is provided with a rotating angle measuring device; the first distance measuring instruments are arranged on the left side and the right side of the front side of the main truss and used for detecting the distance between the front side of the main truss and a pier; the detection end of the first distance meter is arranged in an outward inclined mode; the first distance meter, the rotating device and the rotating angle measuring equipment are respectively connected with the control system; the control system can receive the ranging information sent by the first range finder and the angle information sent by the rotation angle measuring device and drive the rotating device.
Furthermore, second distance meters are arranged on the left side and the right side of the rear side of the main truss and used for detecting the distance between the rear side of the main truss and the bridge pier, and the detection ends of the second distance meters are arranged in an outward inclined mode; the second distance measuring instrument is connected with the control system; the control system can receive the distance measuring information sent by the second distance measuring instrument and drive the rotating device.
Furthermore, a driving device is arranged on the main truss and used for driving the main truss to advance on the rail at the bottom of the beam, and the driving device is connected with the control system.
Furthermore, a minimum set value detected by the first distance meter is preset in the control system; and after the minimum set value is reached, the control system judges whether the rotating device is driven or not according to the angle information.
Furthermore, a rotation set value detected by a second distance meter is preset in the control system; and after the set rotating value is reached, the control system drives the rotating device.
Further, the rotation angle measuring device employs an angle encoder.
The working principle of the technical scheme is as follows: the driving device drives the inspection vehicle to move towards the bridge pier, the first distance meter detects the distance between the front side of the main truss and the bridge pier in real time, the angle encoder detects the rotation angle of the rotating truss in real time, and the first distance meter and the angle encoder send detected data to the control system; the control system judges the position of the rotary truss according to the rotation angle sent by the angle encoder, and judges whether the rotary truss has the risk of collision with the bridge pier in real time according to the rotation angle and the distance detected by the first distance meter; the control system operates the rotating device according to the judgment; if no danger exists, the vehicle continues to move; if the driving device is in danger, the control system automatically stops (namely, automatically turns off the driving device), after the driving device stops, the control system starts the rotating device, and the rotating device rotates the rotating truss until the rotating truss rotates to be 90 degrees with the main truss, so that the driving device can continue to move.
When the inspection vehicle passes through the pier, when the distance detected by the first distance meter is equal to the minimum set value, the control system judges the position of the rotary truss according to the angle information sent by the angle encoder, if the control system judges that the rotary truss does not rotate to be 90 degrees relative to the main truss, the control system drives the rotating device to rotate, the rotary truss rotates along with the rotary truss, and the pier passing operation can be carried out until the rotary truss rotates to be 90 degrees relative to the main truss. After passing through the bridge pier, the second distance measuring instrument measures that the distance between the rear side of the main truss and the bridge pier meets the rotating set value, and the control system automatically rotates the two groups of rotating trusses to be horizontal to the main truss.
The beneficial effects of this technical scheme lie in: (1) this technical scheme inspection does not have the dead angle, and operating personnel can operate the inspection car and be close to the pier and inspect. (2) The distance is detected according to the first distance meter, the angle encoder detects the rotating angle of the rotating truss, and the control system can judge the position of the rotating truss and judge whether the risk of collision with a pier exists, so that intelligent and automatic operation of the rotating truss and the inspection vehicle is realized. (3) The arrangement of the first distance measuring instrument can realize accurate measurement of the position between the main truss and the pier, and the arrangement of the minimum set value can enable the rotary truss to be close to the pier as far as possible under the condition that the rotary truss is prevented from colliding with the pier. (4) The rotary set value is set, so that collision between the rotary truss and the bridge pier can be avoided in the rotary process. (5) A first distance meter and a second distance meter are respectively arranged on the front side and the rear side of the left side and the right side of the rotating truss, and the first distance meter on the front side is used for detection during pier passing, namely, the minimum set value is detected; and the second distance meter at the rear side is used for rotating the rotating truss after passing through the pier, namely detecting a rotating set value.
Drawings
Fig. 1 is a schematic structural view of a beam bottom inspection vehicle for bridge safety inspection of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a control schematic of the control system;
FIG. 4 is a schematic view of the operation of passing through the pier;
fig. 5 is a flow chart of the travel of the inspection vehicle.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a control system 1, a driving device 2, a rotating device 3, a first distance meter 4, a second distance meter 5, an angle encoder 6, a main truss 7 and a rotating truss 8.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The examples are substantially as shown in figures 1 to 5: a beam bottom inspection vehicle for bridge safety inspection comprises an inspection vehicle body and a control system 1, wherein the inspection vehicle body comprises a main truss 7 and rotary trusses 8 arranged on two sides of the main truss 7; the driving device 2 is arranged on the main truss 7, the driving device 2 is used for driving the main truss 7 to advance on the rail at the bottom of the beam, the driving device 2 can adopt a travelling mechanism in the background technology, and the travelling mechanism is driven by a motor. The two sides of the main truss 7 are provided with the rotating devices 3, the rotating devices 3 are used for driving the rotating truss 8 to rotate, and the rotating devices 3 can adopt common rotating driving pieces such as common motors and the like; the rotating device 3 is provided with a rotating angle measuring device which adopts an angle encoder 6; the first distance measuring instruments 4 are arranged on the left side and the right side of the front side of the main truss 7, and the first distance measuring instruments 4 are used for detecting the distance between the front side of the main truss 7 and a pier; the left and right sides of the rear side of the main truss 7 are provided with second distance measuring instruments 5, and the second distance measuring instruments 5 are used for detecting the distance between the rear side of the main truss 7 and the bridge pier. The detection ends of the first distance meter 4 and the second distance meter 5 are obliquely arranged towards the outside; the first distance meter 4, the second distance meter 5, the rotating device 3, the driving device 2 and the rotating angle measuring equipment are respectively connected with the control system 1; the control system 1 is capable of receiving the distance measurement information transmitted from the first distance meter 4 and the second distance meter 5 and the angle information transmitted from the rotation angle measuring device and driving the rotating means 3 and the driving means 2.
The minimum set value detected by the first distance meter 4 is preset in the control system 1; when the minimum set value is reached, the control system 1 determines whether or not to drive the rotation device 3 based on the angle information. A rotation set value detected by the second distance measuring instrument 5 is preset in the control system 1; after reaching the rotation set value, the control system 1 drives the rotation device 3.
The specific implementation process is as follows:
the driving device 2 drives the inspection vehicle to move towards the bridge pier, the first distance meter 4 detects the distance between the front side of the main truss 7 and the bridge pier in real time, the angle encoder 6 detects the rotating angle of the rotating truss 8 in real time, and the first distance meter 4 and the angle encoder 6 send detected data to the control system 1; the control system 1 judges the position of the rotating truss 8 according to the rotating angle sent by the angle encoder 6, and the control system 1 judges whether the rotating truss 8 has the risk of collision with the bridge pier in real time according to the rotating angle and the distance detected by the first distance meter 4; the control system 1 operates the rotating device 3 according to the determination; if no danger exists, the vehicle continues to move; if the danger exists, the control system 1 is automatically stopped (namely, the driving device 2 is automatically turned off), after the control system 1 is stopped, the rotating device 3 is started, and the rotating device 3 rotates the rotating truss 8 until the rotating truss 8 rotates to be 90 degrees with the main truss 7, so that the robot can continue to move.
When the inspection vehicle passes through the pier, when the distance detected by the first distance meter 4 is equal to the minimum set value, the control system 1 judges the position of the rotary truss 8 according to the angle information sent by the angle encoder 6, if the control system 1 judges that the rotary truss 8 does not rotate to 90 degrees relative to the main truss 7, the control system 1 drives the rotating device 3 to rotate, and the rotary truss 8 rotates along with the rotation until the rotary truss 8 rotates to 90 degrees relative to the main truss 7, so that the pier passing operation can be carried out. After passing through the bridge pier, the second distance measuring instrument 5 measures that the distance between the rear side of the main truss 7 and the bridge pier meets the rotating set value, and the control system 1 automatically rotates the two groups of rotating trusses 8 to be horizontal to the main truss 7.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only for the embodiment of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, so that those skilled in the art can know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the capability of applying the conventional experimental means before this date, and those skilled in the art can complete and implement the schemes in combination with their own capability, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be defined by the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
1. The utility model provides a bridge is beam bottom inspection car for safety inspection which characterized in that: the inspection vehicle comprises an inspection vehicle body and a control system (1), wherein the inspection vehicle body comprises a main truss (7) and rotary trusses (8) arranged on two sides of the main truss (7); the two sides of the main truss (7) are provided with rotating devices (3), and the rotating devices (3) are used for driving the rotating trusses (8) to rotate; a rotation angle measuring device is arranged on the rotating device (3); the left side and the right side of the front side of the main truss (7) are provided with first distance measuring instruments (4), and the first distance measuring instruments (4) are used for detecting the distance between the front side of the main truss (7) and a pier; the detection end of the first distance meter (4) is obliquely arranged towards the outside; the first distance meter (4), the rotating device (3) and the rotating angle measuring equipment are respectively connected with the control system (1); the control system (1) can receive the ranging information sent by the first range finder (4) and the angle information sent by the rotation angle measuring equipment and drive the rotating device (3).
2. The bridge bottom inspection vehicle for bridge safety inspection according to claim 1, characterized in that: the left side and the right side of the rear side of the main truss (7) are provided with second distance meters (5), the second distance meters (5) are used for detecting the distance between the rear side of the main truss (7) and a pier, and the detection ends of the second distance meters (5) are arranged in an outward inclined mode; the second distance measuring instrument (5) is connected with the control system (1); the control system (1) can receive the distance measuring information sent by the second distance measuring instrument (5) and drive the rotating device (3).
3. The bridge bottom inspection vehicle for bridge safety inspection according to claim 1, wherein: the driving device (2) is arranged on the main truss (7), the driving device (2) is used for driving the main truss (7) to move on the rail at the bottom of the beam, and the driving device (2) is connected with the control system (1).
4. The bridge bottom inspection vehicle for bridge safety inspection according to claim 1, wherein: the minimum set value detected by the first distance meter (4) is preset in the control system (1); when the minimum set value is reached, the control system (1) determines whether to drive the rotating device (3) or not according to the angle information.
5. The bridge bottom inspection vehicle for bridge safety inspection according to claim 2, characterized in that: a rotation set value detected by the second distance meter (5) is preset in the control system (1); after reaching the rotation set value, the control system (1) drives the rotating device (3).
6. The bridge bottom inspection vehicle for bridge safety inspection according to claim 1, wherein: the rotation angle measuring device employs an angle encoder (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220916194.XU CN217810507U (en) | 2022-04-20 | 2022-04-20 | Bridge bottom inspection vehicle for bridge safety inspection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220916194.XU CN217810507U (en) | 2022-04-20 | 2022-04-20 | Bridge bottom inspection vehicle for bridge safety inspection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217810507U true CN217810507U (en) | 2022-11-15 |
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ID=83982727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220916194.XU Active CN217810507U (en) | 2022-04-20 | 2022-04-20 | Bridge bottom inspection vehicle for bridge safety inspection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217810507U (en) |
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2022
- 2022-04-20 CN CN202220916194.XU patent/CN217810507U/en active Active
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