CN209798529U - Arch bridge inspection vehicle - Google Patents
Arch bridge inspection vehicle Download PDFInfo
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- CN209798529U CN209798529U CN201920153618.XU CN201920153618U CN209798529U CN 209798529 U CN209798529 U CN 209798529U CN 201920153618 U CN201920153618 U CN 201920153618U CN 209798529 U CN209798529 U CN 209798529U
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Abstract
the utility model discloses an arch bridge inspection car, it is installed and is used for the inspection on arch bridge opening roof arch bridge floor, including walking line track, automobile body, hoist engine and walking line mechanism, walk the line track be with arch bridge opening roof assorted arc track, and install arch bridge opening roof, walk line mechanism's articulate on walking the line track, the automobile body articulate in walk on the line mechanism, the hoist engine is installed on the automobile body, the articulate end of its steel cable with the middle part of arch bridge opening roof is connected fixedly, it is used for common drive to walk line mechanism and hoist engine the automobile body walking. The vehicle body is driven by the winch and the travelling mechanism to ascend and descend, the safety performance is high, the stability is good, and particularly when the vehicle body descends, the vehicle body is driven by the travelling mechanism and descends more smoothly under the dragging of the winch.
Description
Technical Field
The utility model belongs to bridge check out test set field especially relates to an arch bridge inspection car.
Background
The working area of the climbing type inspection vehicle is positioned on the arch surface of the bridge, so that the whole track of the inspection vehicle is also arched and is influenced by the track condition, and the inspection vehicle has higher requirements on the stability, the braking performance and the post-maintenance portability during climbing and downhill operation. In the current control of the climbing inspection vehicle in China, chains are paved on a track, and climbing and descending are carried out by means of meshing of gears on a walking mechanism and the chains.
1) The cost is increased, the chains are laid along with the tracks, the laying construction difficulty is high, and the laying amount is large;
2) The brake of the inspection vehicle completely depends on the brake of the traveling motor, once the brake is improperly operated or fails, the inspection vehicle slides down under the action of gravity, and the life safety of inspection personnel on the vehicle is seriously influenced;
3) The chain is not tightly meshed due to long-term abrasion, so that the running stability of the inspection vehicle is influenced;
4) due to the special installation mode of the chain, once the middle link is in trouble, the later-stage inspection and maintenance are difficult.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide a walk capable steady, the security is high, easy to maintain's arch bridge inspection car.
In order to achieve the above purpose, the technical solution of the present invention is as follows: the arch bridge inspection vehicle is mounted on the top wall of an arch bridge opening and used for inspecting the arch bridge deck and comprises a walking track, a vehicle body, a winch and a walking mechanism, wherein the walking track is an arc track matched with the top wall of the arch bridge opening and mounted on the top wall of the arch bridge opening, the walking mechanism is connected to the walking track in a hanging mode, the vehicle body is connected to the walking mechanism in a hanging mode, the winch is mounted on the vehicle body, a hanging end of a steel rope of the winch is fixedly connected with the middle of the top wall of the arch bridge opening, and the walking mechanism and the winch are used for driving the vehicle body to walk together.
The beneficial effects of the above technical scheme are that: the vehicle body is driven by the winch and the travelling mechanism to ascend and descend, the safety performance is high, the stability is good, and particularly when the vehicle body descends, the vehicle body is driven by the travelling mechanism and descends more smoothly under the dragging of the winch.
In the technical scheme, the number of the winches is two, the two winches are respectively and symmetrically arranged on two sides of the vehicle body, and the hanging end of the steel rope is respectively connected and fixed with the middle part of the top wall of the arch bridge opening.
The beneficial effects of the above technical scheme are that: the two winches synchronously operate, so that the stability of the vehicle body is better when the vehicle body climbs or descends.
The technical scheme includes that the system further comprises variable frequency drivers, the two hoisting motors of the two hoisting machines are respectively electrically connected with the variable frequency drivers, and the variable frequency drivers are provided with first human-computer interaction interfaces used for setting the rotating speeds of the two hoisting motors.
The beneficial effects of the above technical scheme are that: the variable-frequency drive device is simple in structure, the rotating speeds of the two hoisting motors are adjusted through the variable-frequency drive device, so that the two hoisting motors can always keep synchronous operation, the stability of the running of the vehicle body is improved, and when any one of the hoisting motors breaks down, the variable-frequency drive device can stop outputting and control the two hoisting motors to stop operating.
In the technical scheme, the number of the walking rails is two, the number of the walking mechanisms is two, the walking mechanisms correspond to the two walking rails one by one, the two walking rails are arranged at two ends of the arch bridge opening in a parallel and spaced mode, the two walking mechanisms are connected to the corresponding walking rails in a hanging mode, and the vehicle body is connected to the two walking mechanisms in a hanging mode.
The beneficial effects of the above technical scheme are that: the structure is simple, and the two running rails and the two running mechanisms are arranged, so that the stress of a single rail is reduced, and the running of the vehicle body is more stable.
In the technical scheme, the walking mechanism comprises walking motors, speed reducers, walking wheels and brakes, the walking motors, the speed reducers and the walking wheels are respectively installed on the vehicle body and close to the positions corresponding to the walking rails, the two walking wheels corresponding to the two walking mechanisms are respectively connected to the two walking rails in a hanging mode, the two walking motors are respectively in transmission connection with the input ends of the two speed reducers, the output ends of the two speed reducers are respectively in transmission connection with the two walking wheels, and the brakes are respectively installed on the vehicle body or the corresponding walking motors and used for braking the corresponding walking motors.
The beneficial effects of the above technical scheme are that: the structure is simple, and the arrangement of the brake for the walking motor is beneficial to improving the safety and the stability of the walking motor.
The technical scheme includes that the device further comprises two servo drivers, the two servo drivers are respectively in one-to-one correspondence with the two walking motors, the two walking motors are respectively electrically connected with the corresponding servo drivers, and the servo drivers are provided with second human-computer interaction interfaces used for setting the rotating speed and the torque of the walking motors.
The beneficial effects of the above technical scheme are that: the two servo drivers are arranged and respectively control one walking motor, the two walking motors can be set to synchronously operate through the two servo drivers, and the speed and the torque of the two walking motors are simultaneously set, so that the two walking mechanisms and the two winches can operate in a coordinated mode, namely, the winches are always kept in a tight state when releasing or receiving ropes, particularly, when going downhill, the phenomenon that the winches and the walking mechanisms are inconsistent and are in pause or fall can be avoided, when the walking motors are abnormal, the corresponding servo drivers stop outputting, the corresponding walking motors stop operating at the moment, and meanwhile, the corresponding servo drivers stop outputting synchronously due to the fact that the walking motors on the other side are abnormal in walking, and at the moment, the two walking motors stop outputting.
The technical scheme includes that the device further comprises a controller and two electric control brakes, the two electric control brakes correspond to the two winches one by one, the two electric control brakes are respectively installed on the vehicle body and are close to the two winches, winding drums corresponding to the winches penetrate through braking portions corresponding to the electric control brakes, the electric control brakes are used for emergently braking the winding drums corresponding to the winches, and the variable frequency driver, the two electric control brakes and the two servo drivers are respectively electrically connected with the controller.
The beneficial effects of the above technical scheme are that: when the inspection vehicle is stopped at every time (namely, the walking mechanism and the hoisting mechanism are both stopped), the controller controls the two electric control brakes to brake so as to clamp and brake the winding drums of the two hoists, meanwhile, when the walking motors are abnormal, the corresponding servo drivers can output alarm signals to the controller and stop outputting, at the moment, the two walking motors stop running, and similarly, the variable frequency drivers can also output alarm signals to the controller and stop outputting to the hoisting motors when detecting that the hoisting motors are abnormal, and the hoisting motors stop running.
Still include the alarm among the above-mentioned technical scheme, the alarm install in on the automobile body and with the controller electricity is connected.
The beneficial effects of the above technical scheme are that: and after receiving the alarm signal output by the variable frequency driver or/and the servo driver, the controller controls the alarm to send an alarm to remind an operator.
In the technical scheme, the electric control brake is a hydraulic brake.
The beneficial effects of the above technical scheme are that: the brake force is large, the control is convenient, and the response is sensitive.
In the technical scheme, the controller is also provided with an emergency stop button.
The bridge inspection vehicle has the advantages that the emergency stop button is arranged, so that an operator can press the emergency stop button in emergency, the controller can control all actions (the winch and the walking mechanism) of the bridge inspection vehicle to stop, the bridge inspection vehicle stops, and the walking motor brakes, the winch motor brakes and the electric control brake can play a braking role.
Drawings
FIG. 1 is a schematic view of a connection between an arch bridge inspection vehicle and a bridge opening according to an embodiment of the present invention;
FIG. 2 is another schematic view of the inspection vehicle for arch bridges and bridge openings according to the embodiment of the present invention;
Fig. 3 is a schematic structural diagram of an arch bridge inspection vehicle according to an embodiment of the present invention;
Fig. 4 is an electrical connection diagram of a controller of the inspection vehicle for arch bridges and bridges according to the embodiment of the present invention.
In the figure: 1 running track, 2 vehicle body, 3 windlass, 31 windlass motor, 4 running mechanism, 5 variable frequency driver, 41 running motor, 42 speed reducer, 43 running wheel, 44 brake, 6 servo driver, 7 controller, 8 electric control brake and 9 alarm.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 and fig. 2, the present embodiment provides an arch bridge inspection vehicle, which is installed on the top wall of an arch bridge opening for inspecting the arch bridge deck, and includes a walking rail 1, a vehicle body 2, a winch 3 and a walking mechanism 4, where the walking rail 1 is an arc rail matched with the top wall of the arch bridge opening and is installed on the top wall of the arch bridge opening, the walking mechanism 4 is hung on the walking rail 1, the vehicle body 2 is hung on the walking mechanism 4, the winch 3 is installed on the vehicle body 2, a hanging end of a steel cable 31 is connected and fixed with the middle part of the top wall of the arch bridge opening, and the walking mechanism 4 and the winch 3 are used for driving the vehicle body to travel together. The structure is simple, the winch and the traveling mechanism are used for driving the vehicle body to ascend and descend together, the safety performance is high, the stability is good, particularly, when the vehicle body descends, the vehicle body descends more smoothly under the driving of the traveling mechanism and the dragging of the winch, and the winch belongs to the existing product and is not described herein any more. The hanging end of the steel rope of the winch is the end of the steel rope far away from the winding drum of the winch.
The arch bridge shown in fig. 1 is of a full arch shape (i.e. the top wall in the bridge opening is integrally arc-shaped), and the hanging part of the steel rope is preferentially positioned at the arch top of the bridge opening; the arch bridge shown in fig. 2 is flat in the middle and curved on both sides, and the cable hooking portion is preferably located at the straight bridge opening.
The vehicle body of this embodiment is through setting up hoist engine and walking mechanism, can play safety protection by the hoist engine when walking mechanism breaks down, overcomes to need to lay the chain on walking the track among the prior art simultaneously, avoids walking the wheel and skids when climbing, can effectual improvement work efficiency.
As shown in fig. 3, preferably, in the above technical solution, there are two winches 3, the two winches 3 are respectively and symmetrically installed at two sides of the vehicle body 2, the hitching ends of the steel ropes 31 are respectively and fixedly connected with the middle parts of two ends of the top wall of the bridge opening of the arch bridge, and the hitching ends of the two steel ropes 31 are relatively distributed at two sides of the top wall of the bridge opening. The two winches synchronously operate, so that the stability of the vehicle body during ascending and descending is better, and the winches have braking effects and can automatically brake when the vehicle body abnormally operates, so that the safety of the vehicle body during operation is enhanced.
As shown in fig. 4, it is further preferable that the above technical solution further includes a variable frequency driver 5, the hoisting motors 32 of the two hoisting machines 3 are electrically connected to the variable frequency driver 5, and the variable frequency driver 5 has a first human-machine interface for setting the rotation speeds of the two hoisting motors 32.
In the technical scheme, the number of the walking rails 1 is two, the number of the walking mechanisms 4 is two, the walking mechanisms are in one-to-one correspondence with the two walking rails 1, the two walking rails 1 are arranged at two ends of an arch bridge opening in parallel and at intervals, the two walking mechanisms 4 are hung on the corresponding walking rails 1, the vehicle body 2 is hung on the two walking mechanisms 4, the stress of a single rail can be reduced by arranging the two walking rails and the two walking mechanisms, and the vehicle body can walk more stably.
in the above technical solution, the traveling mechanisms 4 include traveling motors 41, speed reducers 42, traveling wheels 43 and brakes 44, the traveling motors 41, the speed reducers 42 and the traveling wheels 43 are respectively installed on the vehicle body 2 near the positions corresponding to the traveling rails 1, two of the traveling wheels 43 corresponding to two of the traveling mechanisms 4 are respectively connected to the two traveling rails 1 in a hanging manner, the two traveling motors 41 are respectively connected to the input ends of the two speed reducers 42 in a transmission manner, the output ends of the two speed reducers 42 are respectively connected to the two traveling wheels 43 in a transmission manner, and the brakes 44 are respectively installed on the vehicle body 2 or the corresponding traveling motors 41 and used for braking the corresponding traveling motors 41; the running motor is provided with a brake to improve the safety and stability of the running motor, wherein the running motor 41, the reducer 42 and the brake 44 are all in the prior art, and a complete set of the three is provided at present, for example, an SEW reducer motor manufactured by SEW Transmission equipment Tianjin limited, which comprises the motor, the brake and the reducer.
The technical scheme includes that the intelligent control device further comprises two servo drivers 6, the two servo drivers 6 are respectively in one-to-one correspondence with the two walking motors 41, the two walking motors 41 are respectively electrically connected with the corresponding servo drivers 6, and the servo drivers 6 are provided with second human-computer interaction interfaces used for setting the rotating speed and the torque of the walking motors 41. The two servo drivers are arranged and respectively control one walking motor, the two walking motors can be set to synchronously run through the two servo drivers, and the torque of the two walking motors is set simultaneously, so that the two walking mechanisms and the two winches can run coordinately, namely, the winches are always kept in a tight state when releasing or retracting ropes, and the phenomenon that the vehicle body is subjected to pause and contusion or falling due to the fact that the winches are inconsistent with the walking mechanisms when going up and down slopes can be avoided.
When the inspection vehicle goes up or down a slope, in order to ensure that the bridge inspection vehicle keeps smooth operation under the driving of the traveling mechanism and the hoisting mechanism, the servo driver is set to be in a torque control mode, when the vehicle body goes up or down the slope, a proper speed value and a proper torque value are set for the traveling mechanism through a second human-computer interaction interface of the servo driver, after debugging, the speed value of the hoisting machine is set to be slightly slower than that of the traveling mechanism through a first human-computer interaction interface of the variable frequency driver, so that the traveling speed of the traveling mechanism can follow the hoisting speed in real time under the action of the torque control mode of the servo driver when the vehicle body goes up or down the slope, and therefore the stable up and down slopes of the inspection vehicle can be ensured.
The technical scheme includes that the device further comprises a controller 7 and two electric control brakes 8, the two electric control brakes 8 correspond to the two winches one by one, the two electric control brakes are respectively installed on the vehicle body 2 and are close to the two winches 3, winding drums corresponding to the winches 3 penetrate through braking portions corresponding to the electric control brakes 8, the electric control brakes 8 are used for emergently braking the winding drums corresponding to the winches 3, and the variable frequency driver 5, the two electric control brakes 8 and the two servo drivers 6 are respectively electrically connected with the controller 7. When the inspection vehicle is stopped at every time (namely, the walking mechanism and the hoisting mechanism are both stopped), the controller controls the two electric control brakes to brake so as to clamp and brake the winding drums of the two hoists, meanwhile, when the walking motors are abnormal, the corresponding servo drivers can output alarm signals to the controller and stop outputting, at the moment, the two walking motors stop running, and similarly, the variable frequency drivers can also output alarm signals to the controller and stop outputting to the hoisting motors when detecting that the hoisting motors are abnormal, and the hoisting motors stop running.
Still include alarm 9 among the above-mentioned technical scheme, alarm 9 install in on automobile body 2 and with controller 7 electricity is connected. And after receiving the alarm signal output by the variable frequency driver or/and the servo driver, the controller controls the alarm to send an alarm to remind an operator.
In the technical scheme, the electric control brake 8 is a hydraulic brake, and has the advantages of large braking force, convenient control and sensitive response.
Preferably, the controller 7 is further provided with an emergency stop button, the emergency stop button can be pressed by an operator in emergency, the controller can control all actions (the winch and the walking mechanism) of the bridge inspection vehicle to stop, the bridge inspection vehicle stops, and the walking motor brakes, the winch motor brakes and the electric control brake can play a braking role.
the controller is preferably a PLC controller, such as FX-3U-128MR-CM, FX3U-4AD and FX3U-4DA manufactured by Mitsubishi corporation, the variable frequency driver is preferably an FR-E740 series product manufactured by Mitsubishi corporation, the servo driver is preferably an MR-JE series product manufactured by Mitsubishi corporation, the hoisting motor is preferably a YVF2 series variable frequency speed motor manufactured by Jiaxing Xincheng motor, the traveling motor is preferably an HG-SN series servo motor manufactured by Mitsubishi corporation, and the hydraulic brake is preferably a YWZ5-315/400 brake.
Wherein, the alarm is preferably an acousto-optic alarm lamp.
In addition, the arch bridge inspection vehicle in the embodiment adopts three sets of braking systems, namely a brake of a walking mechanism, a brake of a winch and an electric control brake arranged on a vehicle body, and aims to avoid the phenomenon that the inspection vehicle slips due to the fault of one set of braking system, so that the safety of detection personnel is ensured to the maximum extent. The controller in the embodiment can monitor the working conditions of the walking mechanism and the winch in real time, and can give an alarm in real time when a fault occurs.
The embodiment is characterized in that: 1) the torque control mode of the servo driver is adopted, so that the walking speed of the walking mechanism automatically follows the speed of the winding rope of the winch, and the speed regulation is convenient, so that the stability of the inspection vehicle on and off slopes is greatly improved; 2) the whole inspection vehicle adopts a triple braking system and is provided with a perfect alarm signal, so that the personal safety of the inspection personnel is ensured to the maximum extent; 3) all the assemblies of the inspection vehicle are located on the inspection vehicle, so that the inspection personnel can observe and detect the working conditions of the inspection vehicle, and the later maintenance is relatively convenient.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The utility model provides an arch bridge inspection car, its install on arch bridge opening roof and be used for inspecting the arch bridge floor, its characterized in that, including walk capable track (1), automobile body (2), hoist engine (3) and walk capable mechanism (4), walk capable track (1) for with arch bridge opening roof assorted arc track, and install in arch bridge opening roof, walk capable mechanism (4) articulate in walk capable track (1) on, automobile body (2) articulate in walk capable mechanism (4) on, hoist engine (3) are installed on automobile body (2), the articulate end of its steel cable (31) with the middle part of arch bridge opening roof is connected fixedly, it is used for jointly driving to walk capable mechanism (4) and hoist engine (3) the automobile body walking.
2. the inspection vehicle for the arch bridge and the bridge is characterized in that the number of the windlasses (3) is two, the two windlasses (3) are respectively and symmetrically arranged at two sides of the vehicle body (2), and the hanging ends of the steel ropes (31) are respectively and fixedly connected with the middle part of the top wall of the arch bridge and the bridge opening.
3. The arch bridge inspection vehicle according to claim 2, further comprising a variable frequency drive (5), wherein the winches (3) are provided with winches (32), the winches (32) of the two winches (3) are respectively electrically connected with the variable frequency drive (5), and the variable frequency drive (5) is provided with a first human-machine interface for setting the rotating speeds of the two winches (32).
4. The arch bridge inspection vehicle according to claim 3, wherein the number of the running rails (1) is two, the number of the running mechanisms (4) is two, and the running rails (1) correspond to the running rails (1) one by one, the running rails (1) are arranged at two ends of the arch bridge opening in parallel and at intervals, the running mechanisms (4) are hung on the corresponding running rails (1), and the vehicle body (2) is hung on the running mechanisms (4).
5. The arch bridge inspection vehicle according to claim 4, wherein the running mechanisms (4) comprise running motors (41), speed reducers (42), running wheels (43) and brakes (44), the running motors (41), the speed reducers (42) and the running wheels (43) are respectively installed on the vehicle body (2) at positions close to the running rails (1), two running wheels (43) corresponding to the two running mechanisms (4) are respectively connected to the two running rails (1), the two running motors (41) are respectively in transmission connection with input ends of the two speed reducers (42), output ends of the two speed reducers (42) are respectively in transmission connection with the two running wheels (43), the brakes (44) are respectively installed on the vehicle body (2) or the running motors (41), for braking the respective running motor (41).
6. The arch bridge inspection vehicle according to claim 5, further comprising two servo drivers (6), wherein the two servo drivers (6) are respectively in one-to-one correspondence with the two traveling motors (41), the two traveling motors (41) are respectively electrically connected with the corresponding servo drivers (6), and the servo drivers (6) have second human-machine interaction interfaces for setting the rotating speed and the torque of the traveling motors (41).
7. The arch bridge inspection vehicle according to claim 6, further comprising two controllers (7) and two electrically controlled brakes (8), wherein the two electrically controlled brakes (8) correspond to the two hoists one by one, the two electrically controlled brakes are respectively mounted on the vehicle body (2) at positions close to the two hoists (3), a winding drum corresponding to the hoists (3) penetrates through a braking portion corresponding to the electrically controlled brakes (8), the electrically controlled brakes (8) are used for emergently braking the winding drum corresponding to the hoists (3), and the variable frequency driver (5), the two electrically controlled brakes (8) and the two servo drivers (6) are respectively electrically connected with the controllers (7).
8. The arch bridge inspection vehicle according to claim 7, further comprising an alarm (9), wherein the alarm (9) is mounted on the vehicle body (2) and electrically connected with the controller (7).
9. The arch bridge inspection vehicle of claim 7, wherein the electrically controlled brake (8) is a hydraulic brake.
10. The arch bridge inspection vehicle according to claim 8, wherein the controller (7) further has an emergency stop button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920153618.XU CN209798529U (en) | 2019-01-29 | 2019-01-29 | Arch bridge inspection vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920153618.XU CN209798529U (en) | 2019-01-29 | 2019-01-29 | Arch bridge inspection vehicle |
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| CN209798529U true CN209798529U (en) | 2019-12-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629413A (en) * | 2019-01-29 | 2019-04-16 | 湖北辉创重型工程有限公司 | A kind of arch bridge inspection vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629413A (en) * | 2019-01-29 | 2019-04-16 | 湖北辉创重型工程有限公司 | A kind of arch bridge inspection vehicle |
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