CN216108071U - Bridge bottom surface detection operation device - Google Patents

Abstract

The utility model discloses a bridge bottom surface detection operation device which comprises a bearing rope, a plurality of rail supports and a plurality of inspection vehicles, wherein two ends of the bearing rope are respectively hung on the outer walls of two sides of the width direction of a bridge to be detected and are distributed at the bottom of the bridge to be detected, the rail supports are hung on the bearing rope in a sliding mode and are spliced to form an inspection rail, the inspection vehicles are movably arranged on the inspection rail and are used for detecting the bottom surface of the bridge to be detected, and each inspection vehicle is provided with a detection module. Therefore, the inspection vehicle provided with the detection module moves along the inspection rail to complete the detection operation of the bottom surface of the bridge to be detected. Because the hoisting quantity of the track support on the bearing rope is not fixed, the actual hoisting quantity of the track support can be flexibly adjusted according to the specific width of the current bridge to be detected, the adaptability to bridges with different widths is improved, and the detection operation on the bottom surface of the bridge can be safely and efficiently realized.

Description

Bridge bottom surface detection operation device

Technical Field

The utility model relates to the technical field of civil engineering, in particular to a bridge bottom surface detection operation device.

Background

Bridge detection and maintenance are core problems related to national economy, countries and people safety, and the regular implementation of bridge comprehensive detection has great significance for maintaining public transportation safety and normal operation.

In the long-term operation process of the bridge, a series of disease problems such as structural cracks, deformation, damage, erosion, aging and the like are easy to occur due to the influences of factors such as water conservancy disasters, collisions, overload, fatigue and the like, so that the detection operation of related projects on the bridge is required regularly. Due to the suspended structure characteristics of the bridge, the detection operation can be easily realized on the surfaces of the bridge, the two ends of the bridge, the two sides of the bridge and other parts, but the detection operation on the bottom surface of the bridge is always a difficult problem in the industry. According to statistics, 90% of quality problems of the concrete bridge are concentrated on the bottom surface of the bridge, and the detection operation importance of the bottom surface of the bridge is visible.

In order to solve the difficulty of bridge bottom surface detection operation, the detection modes mainly based on manual detection, such as a simple detection platform, a bridge inspection vehicle and the like, are widely adopted at present. The traditional manual detection platform building method, such as building a climbing ladder, a scaffold, a beam bottom support and the like to approach a bridge and carrying out naked eye detection on the bridge bottom, has the defects of poor maneuverability, low operation efficiency, limited scene, low detection data quality, high safety risk and the like. The bridge inspection vehicle detection operation mode with wide application has the advantages of strong adaptability, convenience in operation and the like, but the detection range is small, a visual field blind area exists, the detection operation of the two side edge areas of the width of the bridge can be generally and smoothly completed, the detection operation cannot be performed in the central area of the bottom surface of the bridge, the detection operation cannot be performed on a wide bridge or an ultra-wide bridge with a large width, the limitation of the operation environment is high, the personnel consumption is large, the equipment cost is high, and the detection data quality is low.

Therefore, how to safely and efficiently realize the detection operation on the bottom surface of the bridge and improve the adaptability to bridges with different widths is a technical problem faced by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bridge bottom surface detection operation device which can safely and efficiently realize detection operation on a bridge bottom surface and improve adaptability to bridges with different widths.

In order to solve the technical problem, the utility model provides a bridge bottom surface detection operation device which comprises a bearing rope, a plurality of rail supports and a plurality of inspection vehicles, wherein two ends of the bearing rope are respectively hung on the outer walls of two sides of the bridge to be detected in the width direction and are distributed at the bottom of the bridge to be detected, the rail supports are hung on the bearing rope in a sliding mode and are spliced to form an inspection rail, the inspection vehicles are movably arranged on the inspection rail and are used for detecting the bottom surface of the bridge to be detected, and each inspection vehicle is provided with a detection module.

Preferably, two ends of the top surface of each track support are respectively provided with a rotating seat and a rotating shaft, and two adjacent track supports are rotatably connected with the rotating shaft through the rotating seats matched with each other.

Preferably, the track supports at the two ends of the bearing rope are respectively provided with a driving assembly, the output end of each driving assembly is connected with a driving rope, and the tail end of each driving rope is connected with the bottom surface of the rest track supports so as to pull the track supports to rotate relatively to be arranged linearly when the driving assemblies tighten the driving ropes.

Preferably, the inspection track comprises a plurality of sliding rails which are respectively arranged on the track supports and extend to the two ends of the track supports along the length direction of the track supports.

Preferably, the top surface of each track support is provided with a plurality of top bearing carriers distributed along the length direction and used for supporting the bearing ropes.

Preferably, the bottom surface of each track support is provided with a plurality of bottom bearing frames which are distributed along the length direction and used for supporting the driving ropes.

Preferably, the driving assembly comprises a driving motor installed in the rail bracket, and a winch connected to an output shaft of the driving motor and used for winding the driving rope, and a head end of the driving rope is connected to a circumferential surface of the winch.

Preferably, a power-down brake for locking the winch when the winch is powered off and releasing the winch when the winch is powered on is arranged on an output shaft of the driving motor, and a speed reducer is connected between the output shaft of the driving motor and a rotating shaft of the winch.

Preferably, the driving assembly further includes a screw rod rotating synchronously with the rotation shaft of the winch, a driving nut axially movably disposed on the screw rod, and a roller pair horizontally rotatably disposed on the driving nut, the driving rope is clamped in the roller pair, and the feeding speed of the driving nut is the same as the axial winding speed of the driving rope on the winch.

Preferably, the driving assembly further comprises a guide post arranged on the shell of the driving motor and parallel to the axial direction of the lead screw, and a guide block slidably sleeved on the guide post, and the transmission nut is connected with the guide block.

Preferably, the patrol and examine the car include the frame, set up in frame bottom and with patrol and examine orbital surface fit rolling drive wheel, set up in frame bottom is used for the drive the rolling motion motor of drive wheel, detect the module set up in the frame surface.

Preferably, the inspection vehicle further comprises swing rods connected to two sides of the frame and extending to the lower portion of the inspection rail, and driven wheels arranged at the tail ends of the swing rods and matched with the bottom surface of the inspection rail to roll.

Preferably, the head end of the swing rod is rotatably connected to the frame, and a pre-tightening spring used for enabling the driven wheel to press the bottom surface of the inspection track through elasticity is connected between the rod body of the swing rod and the frame.

Preferably, the patrol and examine car still including set up in on the frame, be used for when the frame motion to the power supply towline of supplying whole car power receive and releases the line mechanism of line in step.

Preferably, the detection module comprises an installation rod arranged on the frame and extending along the length direction of the bridge to be detected, and a plurality of detection sensors slidably sleeved on the installation rod and used for detecting the bottom surface of the bridge to be detected.

Preferably, the overlapping coverage rate of the detection areas of two adjacent detection sensors is 15-30%.

The utility model provides a bridge bottom surface detection operation device which mainly comprises a bearing rope, a track support, an inspection track, an inspection vehicle and a detection module. The two ends of the bearing rope are respectively hung on the outer walls of the two sides of the bridge to be tested in the width direction, the main body part of the bearing rope is distributed at the bottom of the bridge to be tested, the bearing rope is generally kept in a stretched state through proper length design, and a preset distance is kept between the bearing rope and the bottom surface of the bridge to be tested. The track support hoists on bearing the rope, and generally hoist and mount simultaneously has a plurality ofly, and each track support all can independently slide on bearing the rope separately to two adjacent track supports can splice as an organic whole mutually, in order to form continuous track of patrolling and examining. The inspection vehicle is arranged above each rail support, and is mainly used for sliding in a matched manner with the inspection rail formed by splicing so as to slide in a reciprocating manner along the extension direction of the inspection rail. Simultaneously, the inspection vehicle is equipped with the detection module, can detect the operation along the gliding in-process of patrolling and examining the track to the bottom surface of the bridge that awaits measuring at the inspection vehicle to accomplish the full width range's of the bridge bottom surface that awaits measuring detection operation gradually. Therefore, the bridge bottom surface detection operation device provided by the utility model has the advantages that the bearing rope is hung at the bottom of the bridge to be detected, the inspection track is formed at the bottom of the bridge to be detected through splicing of the plurality of modularized track supports hung on the bearing rope, and finally the inspection vehicle loaded with the detection module moves along the inspection track to complete the detection operation of the bridge bottom surface to be detected. Compared with the prior art, the number of hoists of the track support on the bearing rope is not fixed, and the actual number of hoists of the track support can be flexibly adjusted according to the specific width of the current bridge to be detected, so that the adaptability to bridges with different widths is improved, the detection operation on the bottom surface of the bridge can be safely and efficiently realized without manual intervention in the detection operation process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.

Fig. 2 is a partial structural schematic diagram of fig. 1.

Fig. 3 is a schematic diagram of a splicing structure of three rail brackets.

Fig. 4 is a detailed structural diagram of the base carrier frame.

Fig. 5 is a schematic structural diagram of the driving assembly.

Fig. 6 is a schematic view of an assembly structure of the inspection vehicle and the detection module.

Fig. 7 is a specific structural schematic diagram of the inspection vehicle.

Fig. 8 is a schematic structural diagram of the wire arranging mechanism.

Fig. 9 is a schematic structural diagram of the detection module.

Wherein, in fig. 1-9:

the system comprises a bearing rope-1, a track support-2, a patrol track-3, a patrol vehicle-4, a detection module-5, a driving assembly-6 and a driving rope-7;

a rotating seat-21, a rotating shaft-22, a top bearing frame-23 and a bottom bearing frame-24;

a slide rail-31;

the device comprises a frame-41, a driving wheel-42, a motion motor-43, a swing rod-44, a driven wheel-45, a pre-tightening spring-46 and a wire arranging mechanism-47;

a mounting rod-51, a detection sensor-52;

the device comprises a driving motor-61, a winch-62, a power-off brake-63, a speed reducer-64, a lead screw-65, a transmission nut-66, a roller pair-67, a guide post-68 and a guide block-69;

a guide frame-241, an idler frame-242, a driving frame-243, a winding motor-471, a winding roller shaft-472, an electric slip ring-473, a synchronous belt assembly-474, a winding lead screw-475, a winding drive nut-476 and a winding roller pair-477.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic overall structure diagram of an embodiment of the present invention, and fig. 2 is a schematic partial structure diagram of fig. 1.

In a specific embodiment provided by the utility model, the bridge bottom surface detection operation device mainly comprises a bearing rope 1, a track support 2, an inspection track 3, an inspection vehicle 4 and a detection module 5.

The two ends of the bearing rope 1 are respectively hung on the outer walls of the two sides of the bridge to be tested in the width direction, the main body part of the bearing rope 1 is distributed at the bottom of the bridge to be tested, and the bearing rope is generally kept in a stretched state through proper length design and keeps a preset distance from the bottom surface of the bridge to be tested.

Track support 2 hoists on bearing rope 1, generally hoist simultaneously and have a plurality ofly, for example 3, 4 or more etc. each track support 2 all can independently slide on bearing rope 1 separately to two adjacent track supports 2 can splice as an organic whole each other, in order to form continuous track 3 of patrolling and examining.

Patrol and examine car 4 and set up in each track support 2 top, mainly used and splice fashioned patrol and examine track 3 cooperation and slide to the extending direction along patrolling and examining track 3 carries out reciprocating sliding. Meanwhile, the inspection vehicle 4 is provided with the detection module 5, so that the bottom surface of the bridge to be detected can be detected in the sliding process of the inspection vehicle 4 along the inspection rail 3, and the detection operation of the full-width range of the bottom surface of the bridge to be detected can be gradually completed.

So, the bridge bottom surface detection operation device that this embodiment provided will bear rope 1 and hang in the bridge bottom that awaits measuring, through the concatenation of bearing a plurality of modular track support 2 of hoist and mount on the rope 1, at the bridge bottom that awaits measuring formation track 3 of patrolling and examining, utilize the inspection vehicle 4 that carries the detection module 5 of carrying to accomplish along patrolling and examining track 3 motion the detection operation of treating the bridge bottom surface at last.

Compared with the prior art, because the hoisting quantity of the track support 2 on the bearing rope 1 is not fixed, the actual hoisting quantity of the track support 2 can be flexibly adjusted according to the specific width of the current bridge to be detected, so that the adaptability to bridges with different widths is improved, the manual intervention is not needed in the detection operation process, and the detection operation on the bottom surface of the bridge can be safely and efficiently realized.

In a preferred embodiment of the load-bearing rope 1, two ends of the load-bearing rope 1 can be respectively connected to a vehicle such as a crane parked on two sides of the surface of the bridge to be tested, so that the load-bearing rope 1 is entirely tightened and straightened by controlling the length of the load-bearing rope 1 in a contracting and extending manner to form a concave shape. Meanwhile, the cranes on the two sides of the bridge deck move the two ends of the bearing rope 1 along the length direction of the bridge deck, so that the inspection vehicle 4 can be synchronously driven to gradually complete the detection operation of the full-length range of the bridge to be detected.

Generally, the distribution direction of the load carrying ropes 1 is perpendicular to the longitudinal direction of the bridge to be measured, but of course, the distribution direction of the load carrying ropes 1 may be appropriately deviated if necessary.

Further, in order to improve the hoisting stability of the bearing rope 1, in this embodiment, the bearing rope 1 is hung on the crane at the same time by two or more ropes, each bearing rope 1 is distributed in parallel, and each rail bracket 2 is hoisted on each bearing rope 1 at the same time. Correspondingly, for being convenient for form stable hoist and mount with bearing rope 1 and be connected, this embodiment all is provided with a plurality of top bearing frame 23 at the top surface of each track support 2. Specifically, each nail carrier is evenly distributed along length direction on each track support 2, and two top bearing carriers 23 are distributed on a track support 2 at the same time. The top end of the bearing frame can be provided with a pulley so as to enable the bearing rope 1 to pass through the bottom of the pulley, the pulley is pressed on the bearing rope 1 under the action of gravity, and then the pulley can slide on the bearing rope 1 relatively, and the sliding motion of each track support 2 is realized.

In a preferred embodiment with respect to the inspection rail 3, the inspection rail 3 comprises in particular a number of slide rails 31. Specifically, each slide rail 31 is respectively disposed on each track support 2, for example, at the top surface or the front and rear sides of the track support 2. Meanwhile, each slide rail 31 is along the length direction of the rail bracket 2, and the length of each slide rail 31 is equal to the length of the rail bracket 2, so that when the rail brackets 2 are spliced with each other, the slide rails 31 are synchronously spliced into the whole inspection rail 3. Generally, the cross section of the slide rail 31 may be circular or rectangular, and the slide rail 31 may be distributed on the top surface of the rail bracket 2 at the same time, for example, 2, so that two parallel inspection rails 3 may be formed on the rail bracket 2 at the same time, thereby facilitating the stable operation of the inspection vehicle 4.

As shown in fig. 3, fig. 3 is a schematic diagram of a splicing structure of three rail brackets 2.

In a preferred embodiment with respect to the rail brackets 2, each rail bracket 2 is integrally of a rectangular parallelepiped truss structure, mainly composed of long, short and diagonal members. Wherein, the stock distributes along the length direction of bearing rope 1, and it has 4 to distribute simultaneously generally, forms four long arriss of cuboid. The short rods are vertically connected between the end parts of the two adjacent long rods to form 8 short edges of a cuboid. And, also be provided with the quarter butt in the middle zone of stock, generally all be provided with the quarter butt in four sides of track support 2, and set up two sets of simultaneously along length direction to divide into three sections little cuboid structures with track support 2. The diagonal is connected between the side diagonals of each small cuboid structure to reinforce the structural strength of the rail bracket 2. Typically, the long rod, the short rod and the diagonal rod are all carbon fiber rods, and the rods can be interconnected through aluminum alloy connecting pieces.

In addition, the length of the long rod in each track support 2 can be different, so set up, the length of each track support 2 is also different to can be more nimble according to the 2 specifications of track support of the width selection or configuration of the bridge that awaits measuring.

Further, in order to realize splicing and folding of each track support 2, in this embodiment, two adjacent track supports 2 are rotatably connected to each other. Specifically, a rotating seat 21 is provided at one end position in the length direction of the top surface of each track support 2, and a rotating shaft 22 is provided at the other end position, and the rotating seat 21 can be connected with the rotating shaft 22 on the adjacent track support 2 to form a rotating pair. So set up, each track support 2 forms rotation connection promptly to can carry out nimble deformation according to the operation needs, so that adjust the contained angle of two adjacent track supports 2, and then realize that the mosaic structure of whole track support 2 warp. In general, the rotating base 21 may be a concave hinge bracket, and the rotating shaft 22 may be a convex hinge bracket.

Meet the aforesaid, because each track support 2 forms to rotate each other and connects, so under the effect of environmental factor such as gravity, probably there is certain contained angle between two adjacent track supports 2, lead to each track support 2 inequality to be horizontal distribution, and then lead to the unable head and the tail concatenation of each slide rail 31 to form a horizontally, continuous track 3 of patrolling and examining, be unfavorable for the steady operation of patrolling and examining car 4. For this, the present embodiment is provided with the driving units 6 on the rail brackets 2 located at both end positions of the carrying rope 1, and the driving ropes 7 are connected to the output ends of the respective driving units 6, and the driving ropes 7 are sequentially connected to the bottom surfaces of the respective rail brackets 2, thereby connecting the respective rail brackets 2 into one from both sides in the length direction. So set up, when drive assembly 6 moves, the moment of torsion of output is transmitted on drive rope 7 to be straight with drive rope 7 is tight, take-up, and then utilize drive rope 7 to transmit the moment of torsion to each track support 2, make except being located the track support 2 that bears rope 1 both ends, each track support 2 of middle zone all receives the effect of dragging from drive rope 7 downwards and length direction both sides, make each track support 2 produce corresponding rotation, finally make each track support 2 straightened all be in the horizontality, and form the inline.

Generally, two parallel driving ropes 7 are connected to the output end of the driving assembly 6 to be connected to both sides of the bottom surface of each track frame 2.

As shown in fig. 4, fig. 4 is a detailed structural diagram of the base carrier frame 24.

To facilitate the connection between the drive line 7 and the underside of the rail supports 2, a base carrier 24 is provided in this embodiment on the underside of each rail support 2. Specifically, the sub-carrier frame 24 mainly includes three parts, i.e., a guide frame 241, an idler frame 242, and a driving frame 243. The guide frame 241 is generally only disposed on the track supports 2 at two ends of the load-bearing rope 1, and a pulley is disposed on the guide frame 241 and is mainly used for changing the direction of the driving rope 7 after protruding from the output end of the driving assembly 6, so that the driving rope 7 extends along the bottom surface of each track support 2. The idle wheel frames 242 are simultaneously disposed at the center regions of the bottom surfaces of the respective rail brackets 2, and pulleys are disposed on the idle wheel frames 242 to generally correspond to the positions where the respective top bearing frames 23 are disposed, and are mainly used for supporting the driving ropes 7 and preventing the driving ropes 7 from being loosened by their own weights to form an arc shape. The driving frame 243 is provided at the end position of each rail bracket 2 in the length direction, and a plurality of pulleys are provided on the driving frame 243, which are mainly used to be connected with the tail end of the driving rope 7, so that the tail end of the driving rope 7 is wound by a plurality of turns, thereby conveniently and stably transmitting torque and pulling the rail bracket 2 to rotate. So set up, through leading truck 241, idler frame 242 and the multistage support of drive frame 243 to drive rope 7, can conveniently, stably realize that the overlength structure of a plurality of track support 2 builds, splices.

As shown in fig. 5, fig. 5 is a schematic structural diagram of the driving assembly 6.

In a preferred embodiment with respect to the drive assembly 6, the drive assembly 6 essentially comprises a drive motor 61 and a winch 62. Wherein, driving motor 61 is installed in the track support 2 that is located the both ends of bearing rope 1, generally can add an installation frame in the both ends outside of these two track supports 2 additionally and carry out driving motor 61's installation. The winch 62 is also arranged in the mounting frame, and the rotating shaft of the winch 62 is connected with the output shaft of the driving motor 61 and can rotate under the driving of the output shaft of the driving motor 61. The capstan 62 is mainly used for winding the drive rope 7 so as to loosen, lengthen, or tighten, or shorten the usable length of the drive rope 7, and the head end of the drive rope 7 is specifically attached to the circumferential surface of the capstan 62 so as to be synchronously wound in the circumferential direction when the capstan 62 rotates. So set up, through driving motor 61 to capstan winch 62 positive and negative rotation drive, can realize the unwrapping wire or the line motion of receiving of drive rope 7, and then tighten drive rope 7 when receiving the line, transmit the moment of torsion to corresponding track support 2 on, perhaps make drive rope 7 relax when the unwrapping wire, each track support 2 can slide the adjustment.

Considering that after the track supports 2 slide in place and form head-to-tail splicing, under the condition that the driving rope 7 is tightened, the driving motor 61 does not need to output torque power any more, but at the moment, the driving rope 7 needs to be kept in a continuously tightened state to avoid operation accidents caused by unexpected loosening, a power-down brake 63 is additionally arranged in the embodiment. Specifically, the power-off brake 63 is disposed on the output shaft of the driving motor 61, and is mainly used for locking the output shaft of the driving motor 61 when power is off, and releasing the output shaft of the driving motor 61 when power is on. So set up, after the drive rope 7 tightened, drive motor 61 stopped operation and lost power, and through the output shaft locking of power down brake 63 with drive motor 61 this moment, prevent that capstan winch 62 from producing the rotation, and then keep drive rope 7 at present state of tightening. And when the driving motor 61 starts to operate, the power-off brake 63 loosens the output shaft of the driving motor 61 so as to operate normally.

Further, in order to increase the torque output and decrease the rotational speed output of the driving motor 61, a speed reducer 64 is connected between the output shaft of the driving motor 61 and the rotating shaft of the winch 62. Specifically, the reducer 64 may be a harmonic reducer 64, an RV reducer 64, or the like.

Furthermore, considering that the capstan 62 rotates rapidly when the driving motor 61 is running, and the driving rope 7 takes up or pays off the wire on the capstan 62 rapidly, in order to avoid the situation that the driving rope 7 overlaps, rubs, interferes and the like to hinder the movement when rolling on the capstan 62, a rope arranging mechanism is added in the embodiment.

Specifically, the rope guiding mechanism mainly comprises a lead screw 65, a nut and a roller pair 67. Wherein, the lead screw 65 is arranged in the mounting frame, the distribution direction of the lead screw is parallel to the output shaft of the driving motor 61, and the lead screw is connected with the rotating shaft of the winch 62 through a belt transmission mechanism and rotates synchronously with the winch 62. The transmission nut 66 is sleeved on the lead screw 65, forms thread transmission with the lead screw 65, and can convert the rotary motion of the lead screw 65 into the linear motion along the axial direction. The roller pair 67 is arranged on the surface of the transmission nut 66 and comprises two rollers capable of synchronously and reversely rotating, and the roller pair is mainly used for clamping the driving rope 7 between the two rollers so as to lead the driving rope 7 to be led out of or taken up from the middle of the roller pair 67 in a rolling friction transmission mode. The feed speed of the transmission nut 66 to the lead screw 65 is equal to the axial winding speed of the drive rope 7 on the capstan 62. With the arrangement, by clamping the driving rope 7 by the roller pair 67, when the capstan 62 rotates, the driving rope 7 performs axial feeding motion on the capstan 62, and the feeding speed is the same as the feeding speed of the roller pair 67 and the transmission nut 66 on the lead screw 65, so that the paying-off end or the paying-off line segment clamped by the driving rope 7 in the roller pair 67 is always synchronous with the winding part of the driving rope 7 on the capstan 62, thereby ensuring that the driving rope 7 can be uniformly wound and arranged on the circumferential surface of the capstan 62 one circle by one, and avoiding overlapping.

Furthermore, to ensure the accuracy and stability of the linear movement of the driving nut 66 and the roller pair 67, a guide post 68 and a guide block 69 are added in the embodiment. The guiding column 68 is disposed on the housing of the driving motor 61 or mounted in the mounting rack, and is parallel to the screw rod 65, and generally, the guiding column 68 may specifically adopt a linear bearing and the like. The guide block 69 is fitted over the guide post 68 and is slidable on the guide post 68 in the axial direction thereof. Meanwhile, the bottom surface of the drive nut 66 is connected to the guide block 69 by a connecting rod or the like, thereby connecting the two together. So configured, when the drive nut 66 and the roller pair 67 are axially moved on the threaded spindle 65, they are simultaneously guided by the axial movement of the guide block 69 on the guide post 68.

In addition, in order to facilitate accurate control of the length of the take-up and pay-off line of the drive rope 7, the present embodiment is further provided with an encoder on the end of the lead screw 65 to record the length of the take-up and pay-off line of the drive rope 7 by detecting the rotation angle of the lead screw 65. Meanwhile, the encoder is in signal connection with the controller of the driving motor 61 to send the detection data to the controller, so that the controller can adjust the working conditions of the rotating speed, the torque and the like of the driving motor 61.

As shown in fig. 6, fig. 6 is a schematic view of an assembly structure of the inspection vehicle 4 and the detection module 5.

In a preferred embodiment of the inspection vehicle 4, in consideration of the fact that the width of the bridge to be detected is generally large, in order to improve the efficiency of the inspection operation, a plurality of inspection vehicles 4, for example, 2 or more, are activated simultaneously in the present embodiment. Each inspection vehicle 4 shares one inspection rail 3, and performs inspection work in different areas of the inspection rail 3 at the same time.

The inspection vehicle 4 mainly includes a vehicle frame 41, a drive wheel 42, and a movement motor 43. The frame 41 is a main structure of the inspection vehicle 4, and is mainly used for mounting and carrying other parts. The driving wheel 42 is arranged at the bottom of the frame 41 and is mainly used for matching with the surface of the inspection rail 3 to roll, and the movement on the inspection rail 3 is realized through rolling friction. The motion motor 43 is disposed at the bottom region of the frame 41, and an output shaft thereof is connected to a rotating shaft of the driving wheel 42, and is mainly used for driving the driving wheel 42 to rotate, so as to realize rolling on the surface of the inspection track 3.

As shown in fig. 7, fig. 7 is a specific structural schematic diagram of the inspection vehicle 4.

Furthermore, in order to improve the motion stability of the inspection vehicle 4 on the inspection track 3 and prevent the inspection vehicle 4 from derailing or falling off the inspection track 3 in the operation process, a swing rod 44 and a driven wheel 45 are additionally arranged in the embodiment. Wherein, the pendulum rod 44 is generally provided with two simultaneously, and the left and right sides position at frame 41 is connected respectively to the one end of two pendulum rods 44, and two pendulum rods 44 all incline to extend downwards to the bottom of patrolling and examining track 3 simultaneously. The driven wheels 45 are arranged at the tail end positions of the two swing rods 44, abut against the bottom surface of the inspection rail 3 and roll in a matched mode. So set up, through from the lower supreme butt of follow driving wheel 45 to patrolling and examining the track 3 bottom surface, the cooperation drive wheel 42 is to patrolling and examining the butt from top to bottom on track 3 surface for the track 3 is tightly pressed from both sides on vertical will patrolling and examining to frame 41 is whole, thereby effectively prevents that derail or the phenomenon of dropping from appearing in frame 41.

Furthermore, in order to increase the degree of pressing of the driven wheel 45 against the bottom surface of the inspection rail 3, a pre-tightening spring 46 is added in the present embodiment. Specifically, one end of the pre-tightening spring 46 is connected to the bottom of the frame 41, and the other end of the pre-tightening spring 46 is connected to the rod middle region of the swing rod 44. Accordingly, one end of the rocker 44 is connected to the lateral top region of the frame 41 and forms a pivotal connection. With the arrangement, the swing rod 44 can be supported by the elastic force of the pre-tightening spring 46 in an inclined and upward manner, so that the pressing effect of the driven wheel 45 on the bottom surface of the inspection rail 3 is enhanced.

As shown in fig. 8, fig. 8 is a specific structural schematic diagram of the wire arranging mechanism 47.

Moreover, considering that the power consumption of the whole inspection vehicle 4 generally utilizes the towing cable to connect and transport power through the batteries and other power supplies, in order to avoid the phenomena of winding, bending and the like of the towing cable when the inspection vehicle 4 operates on the inspection track 3, the wire arranging mechanism 47 is additionally arranged on the inspection vehicle 4.

Specifically, the wire arranging mechanism 47 mainly includes a wire winding motor 471, a wire winding roller shaft 472, an electric slip ring 473, a timing belt assembly 474, a wire winding lead screw 475, a wire winding drive nut 476 and a wire winding roller pair 477. Wherein, spiral motor 471 is mainly used for driving spiral roller 472 to rotate to realize the receipts and releases the line of cable. An electric slip ring 473 is provided at the end of the winding roller shaft 472, and is connected to the head end of the cable. The winding screw 475 is disposed in parallel with the winding roller 472 and connected to the winding roller 472 through the timing belt assembly 474, so that the winding screw 475 and the winding roller 472 rotate synchronously. The winding drive nut 476 is provided on the winding lead screw 475 and realizes axial movement by screw drive. The winding roller pair 477 is disposed on the winding drive nut 476 and is mainly used for clamping the cable so that the cable is led out or taken up from the winding roller pair 477. The specific wire arranging principle of the wire arranging mechanism 47 is the same as the wire arranging principle of the wire arranging mechanism in the driving assembly 6 on the driving rope 7, and has the same technical effect, and the details are not repeated herein.

As shown in fig. 9, fig. 9 is a schematic structural diagram of the detection module 5.

In a preferred embodiment with respect to the detection module 5, the detection module 5 mainly comprises a mounting rod 51 and a detection sensor 52. The mounting rod 51 is disposed on the frame 41 of the inspection vehicle 4 and extends generally along the length of the bridge to be inspected. The detection sensor 52 is arranged on the installation rod 51, and can adjust the specific installation position along the length direction of the installation rod 51, and is mainly used for detecting corresponding items on the bottom surface of the bridge to be detected. Generally, the number of the detection sensors 52 is set to 4 to 8, for example, on the mounting rod 51. When the inspection vehicle 4 runs on the inspection track 3 along the width direction of the bridge to be detected, each detection sensor 52 synchronously scans a rectangular area with a certain area on the bottom surface of the bridge to be detected.

Further, in order to improve the working efficiency of the simultaneous detection work of the plurality of detection sensors 52 and avoid the repeated detection of the same region, in the embodiment, the detection areas of two adjacent detection sensors 52 need to be ensured to have a certain overlapping area to avoid missing the undetected region, but at the same time, the coverage rate of the overlapping area is between 15% and 30% of the detection area of a single detection sensor 52.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (16)

1. The utility model provides a bridge bottom surface detection operation device, its characterized in that includes that both ends hang respectively in the bridge width direction both sides outer wall that awaits measuring and distribute in the bridge bottom that awaits measuring bear rope (1), slidable hoist in bear rope (1) go up and splice and form a plurality of track support (2) of patrolling and examining track (3) and movably set up in patrol and examine on track (3), be used for right a plurality of inspection vehicle (4) of the bottom surface of the bridge that awaits measuring detects the operation, each it has detection module (5) all to carry on inspection vehicle (4).

2. The bridge bottom surface detection operation device according to claim 1, wherein a rotating seat (21) and a rotating shaft (22) are respectively arranged at two ends of the top surface of each track support (2), and two adjacent track supports (2) are rotatably connected with the rotating shaft (22) through the rotating seats (21) which are mutually matched.

3. The bridge bottom surface detection operation device according to claim 2, wherein the track supports (2) at the two ends of the bearing rope (1) are provided with driving components (6), the output end of each driving component (6) is connected with a driving rope (7), and the tail ends of the driving ropes (7) are connected with the bottom surfaces of the rest track supports (2) so as to pull the track supports (2) to rotate relatively to be in linear arrangement when the driving components (6) tighten the driving ropes (7).

4. The bridge bottom surface detection operation device according to claim 1, wherein the inspection rail (3) comprises a plurality of slide rails (31) which are respectively arranged on the rail brackets (2) and extend to two ends of the rail brackets along the length direction of the rail brackets.

5. The bridge floor detection operation device according to claim 1, wherein the top surface of each track support (2) is provided with a plurality of top bearing frames (23) which are distributed along the length direction and used for supporting the bearing ropes (1).

6. The bridge floor detection working device according to claim 3, wherein the bottom surface of each track support (2) is provided with a plurality of bottom bearing frames (24) distributed along the length direction and used for supporting the driving ropes (7).

7. The bridge floor detection working device according to claim 3, wherein the driving assembly (6) comprises a driving motor (61) installed in the rail bracket (2), a winch (62) connected to an output shaft of the driving motor (61) and used for winding the driving rope (7), and a head end of the driving rope (7) is connected to a circumferential surface of the winch (62).

8. The bridge floor detection working device according to claim 7, wherein a power-down brake (63) for locking the driving motor (61) when power is off and releasing the driving motor when power is on is arranged on an output shaft of the driving motor (61), and a speed reducer (64) is connected between the output shaft of the driving motor (61) and a rotating shaft of the winch (62).

9. The bridge floor detection device according to claim 8, wherein the driving assembly (6) further comprises a screw (65) rotating synchronously with the rotation shaft of the winch (62), a driving nut (66) axially movably disposed on the screw (65), and a roller pair (67) horizontally rotatably disposed on the driving nut (66), the driving rope (7) is clamped in the roller pair (67), and the feeding speed of the driving nut (66) is the same as the axial winding speed of the driving rope (7) on the winch (62).

10. The bridge bottom surface detection operation device according to claim 9, wherein the driving assembly (6) further comprises a guide post (68) which is arranged on a housing of the driving motor (61) and is parallel to the axial direction of the lead screw (65), and a guide block (69) which is slidably sleeved on the guide post (68), and the transmission nut (66) is connected with the guide block (69).

11. The bridge bottom surface detection operation device according to any one of claims 1-10, wherein the inspection vehicle (4) comprises a vehicle frame (41), a driving wheel (42) arranged at the bottom of the vehicle frame (41) and matched with the surface of the inspection rail (3) to roll, and a motion motor (43) arranged at the bottom of the vehicle frame (41) and used for driving the driving wheel (42) to roll, and the detection module (5) is arranged on the surface of the vehicle frame (41).

12. The bridge bottom surface detection operation device according to claim 11, wherein the inspection vehicle (4) further comprises swing rods (44) connected to two sides of the frame (41) and extending to the lower portion of the inspection rail (3), and driven wheels (45) arranged at the tail ends of the swing rods (44) and matched with the bottom surface of the inspection rail (3) to roll.

13. The bridge bottom surface detection operation device according to claim 12, wherein the head end of the swing link (44) is rotatably connected to the frame (41), and a pre-tightening spring (46) for enabling the driven wheel (45) to press the bottom surface of the inspection rail (3) through elasticity is connected between the rod body of the swing link (44) and the frame (41).

14. The bridge bottom surface detection operation device according to claim 13, wherein the inspection vehicle (4) further comprises a wire arrangement mechanism (47) arranged on the vehicle frame (41) and used for synchronously winding and unwinding a power supply towing cable for supplying power to the whole vehicle when the vehicle frame (41) moves.

15. The bridge bottom surface detection operation device according to claim 11, wherein the detection module (5) comprises a mounting rod (51) arranged on the frame (41) and extending along the length direction of the bridge to be detected, and a plurality of detection sensors (52) slidably sleeved on the mounting rod (51) and used for detecting the bottom surface of the bridge to be detected.

16. The bridge floor detection device according to claim 15, wherein the overlapping coverage of the detection areas of two adjacent detection sensors (52) is 15% to 30%.

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