CN110700093B - Trackless running gear of beam bottom inspection vehicle - Google Patents
Trackless running gear of beam bottom inspection vehicle Download PDFInfo
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- CN110700093B CN110700093B CN201911017886.XA CN201911017886A CN110700093B CN 110700093 B CN110700093 B CN 110700093B CN 201911017886 A CN201911017886 A CN 201911017886A CN 110700093 B CN110700093 B CN 110700093B
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- trolley
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/106—Movable inspection or maintenance platforms, e.g. travelling scaffolding or vehicles specially designed to provide access to the undersides of bridges
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Abstract
The invention discloses a trackless running device of a beam bottom inspection vehicle, which relates to the field of bridge inspection equipment and comprises a running beam, a running trolley, a running driving mechanism, a trolley position adjusting mechanism, a trolley locking mechanism, a running beam position adjusting mechanism, a running beam locking mechanism and a steel box beam lock hole, wherein the running beam penetrates through the running trolley and is movably connected with the running trolley, the running driving mechanism is arranged in the middle of the bottom of the running trolley, the trolley position adjusting mechanisms are symmetrically arranged at two ends of the bottom of the running trolley, the trolley locking mechanism is arranged at one side of the trolley position adjusting mechanism, the running beam position adjusting mechanism is arranged at two end parts of the running beam, the running beam locking mechanism is penetrated at one end of the running beam position adjusting mechanism close to the running trolley, and the steel box beam lock hole is arranged at the bottom of the steel box beam. The invention has convenient control and operation, flexible operation and reasonable design, realizes trackless running in the real sense and has better market prospect.
Description
Technical Field
The invention relates to the field of bridge inspection equipment, in particular to a trackless running gear of a beam bottom inspection vehicle.
Background
The steel box girder structure type bridge is widely applied to bridge construction due to large rigidity and large span, and is particularly important for daily inspection and maintenance of the steel box girder bridge in order to ensure traffic operation safety of the steel box girder bridge, so that research on a bridge bottom inspection vehicle for inspection, maintenance and repair of the steel box girder is concerned.
At present, the existing walking mechanism of the beam bottom inspection vehicle mainly has two forms, namely, a I-shaped steel or H-shaped steel through long track is laid at the bottom of a steel box beam, and the inspection vehicle adopts a suspension type walking scheme, namely, walking wheels of the walking mechanism are suspended on the through long track and walk in a mode that the walking wheels roll on the track; secondly, a through long track is not required to be arranged at the bottom of the beam, suspension parts with equal intervals are only discontinuously paved at the bottom of the steel box beam, and the inspection vehicle moves along the suspension parts in a chain transmission mode and the like during operation;
for the first form, the full-length running track needs to be laid at the bottom of the box girder, the engineering quantity is huge for a large bridge, the engineering cost is high, the waste is high, the maintenance cost of the track is high, and a large extra load is generated on the steel box girder.
Therefore, it is highly desirable to provide a trackless running mechanism of a beam bottom inspection vehicle, which can utilize the structure of the steel box beam itself without additionally laying any track and suspension member for running the inspection vehicle, so as to reduce the amount of track installation and maintenance engineering, reduce labor cost investment, and reduce the extra load of the bridge.
Disclosure of Invention
In order to overcome the defects of related products in the prior art, the invention provides the trackless running device of the beam bottom inspection vehicle, which does not need to additionally lay any track or suspension part for the running of the inspection vehicle, and is used for solving the problems of high installation difficulty and high maintenance cost of the running track or suspension part.
The invention provides a trackless running device of a beam bottom inspection vehicle, which comprises a running beam, a running trolley, a running driving mechanism, a trolley position adjusting mechanism, a trolley locking mechanism, a running beam position adjusting mechanism, a running beam locking mechanism and a steel box beam lock hole, wherein the running beam, the running trolley, the running driving mechanism, the trolley position adjusting mechanism, the trolley locking mechanism, the running beam position adjusting mechanism and the running beam locking mechanism are assembled, the steel box beam lock hole is formed in the bottom of the steel box beam, the running beam penetrates through the running trolley and is movably connected with the running trolley, the inside of the running trolley is arranged around the outside of the running beam, the running driving mechanism is arranged in the middle of the bottom of the running trolley, the trolley position adjusting mechanisms are symmetrically arranged at two ends of the bottom of the running trolley, the trolley locking mechanism is arranged at one side of the trolley position adjusting mechanism, the trolley position adjusting mechanism is fixedly connected with the trolley locking mechanism;
the walking trolley is characterized in that the walking beam position adjusting mechanisms are arranged at the end parts of the two ends of the walking beam, one end, close to the walking trolley, of each walking beam position adjusting mechanism is vertically communicated with the walking beam locking mechanism, the walking beam locking mechanisms are fixedly connected with the walking beam position adjusting mechanisms, the bottom of each steel box girder is provided with a steel box girder locking hole along the longitudinal bridge direction, and the positions of the steel box girder locking holes correspond to the positions of the trolley locking mechanisms and the walking beam locking mechanisms which are arranged below the steel box girder locking holes respectively.
In some embodiments of the invention, the trolley positioning mechanism comprises a rack, a traverse guide rail, a traverse box, a first screw rod and a second motor component, the rack is hollow and is fixedly arranged at the bottom of the travelling trolley, the internal bottom surface of the rack is provided with parallel grooves, the traverse guide rail is fixedly arranged in the grooves, the traverse box is placed on the traverse guide rail, the bottom of the traverse box is provided with a slideway matched with the traverse guide rail, the second motor component is fixedly arranged at one side of the rack, the output end of the second motor component is connected with the input end of the first screw rod, the output end of the first screw rod penetrates through the rack and is hinged with the traverse box, the other side of the traverse box is provided with the trolley locking mechanism, and the trolley locking mechanism is fixedly connected with the traverse box, one end of the trolley locking mechanism sequentially and vertically penetrates through the rack and the walking beam and extends outwards.
In some embodiments of the invention, the trolley locking mechanism comprises a third motor assembly, a second screw rod, a locking seat, a hanging rod, a locking screw rod assembly and a rotary bracket, the third motor component is fixedly arranged at the bottom of the traversing box and is in transmission connection with the input end of the second screw rod, the output end of the second screw rod can penetrate through the frame to extend inwards and is hinged with the bottom of the locking seat through a pin shaft, the top of the locking seat is rotatably connected with the bottom of the suspender in a threaded manner, the top of the suspender passes through the frame and extends outwards, one side of the hanger rod is provided with the locking screw rod component which is vertical to the hanger rod, the locking screw rod component is fixedly arranged on the cross sliding box, the output end of the locking screw rod assembly is connected with one end of the rotary support, and the other end of the rotary support is sleeved on the hanging rod.
In some embodiments of the present invention, the top of the suspension rod is a rectangular clamping hole structure, the width of the rectangular clamping hole structure should be smaller than the width of the steel box girder locking hole, and the length of the rectangular clamping hole structure should be larger than the width of the steel box girder locking hole.
In some embodiments of the invention, the traveling driving mechanism includes a rack-and-pinion transmission assembly and a first motor assembly, the first motor assembly is fixedly disposed at the bottom of the traveling trolley, an output end of the first motor assembly is in transmission connection with the rack-and-pinion transmission assembly, the rack-and-pinion transmission assembly is composed of a gear and a rack, the rack is fixedly disposed at the bottom of the traveling beam, the gear penetrates through the traveling trolley and is in meshing connection with the rack, the first motor assembly includes a driving motor and a reducer, the driving motor is connected with the reducer, and the reducer is in transmission connection with the rack-and-pinion transmission assembly.
In some embodiments of the invention, a plurality of running wheels are arranged between the running carriage and the running beam, and the running wheels are arranged on the top and the bottom of the running carriage in sequence and are in contact with the running beam.
In some embodiments of the invention, the running wheels are each arranged symmetrically to the centre axis of the running carriage and are of a one-sided rim construction.
In some embodiments of the invention, the steel box girder locking hole is a waist circular hole along the longitudinal bridge direction.
Compared with the prior art, the invention has the following advantages:
the trackless running device of the beam bottom inspection vehicle is used for realizing trackless running of the beam bottom inspection vehicle, solves the problems of high installation difficulty, high labor intensity and high operation cost of a running track or a suspension part of the inspection vehicle, only needs to arrange the steel box beam lock hole at the bottom of the steel box beam in order to realize trackless running, realizes trackless running in the real sense by the mutual staggered movement of the running beam and the running trolley at the beam bottom, and correspondingly designs the running beam positioning mechanism and/or the trolley positioning mechanism in order to avoid position errors generated by the running beam and/or the running trolley and the steel box beam lock hole when the running beam and/or the running trolley are in a running shape, wherein the trolley positioning mechanism and the running beam positioning mechanism are respectively used for adjusting the position errors when the trolley locking mechanism and the running beam locking mechanism are inserted into the steel box beam lock hole, the trolley locking mechanism and the walking beam locking mechanism can be smoothly locked and unlocked with the steel box beam lock hole; the device has the advantages of convenient control and operation, flexible operation, reasonable design and high working efficiency, is widely suitable for the steel box girder lower chord bridge structure, and has better market prospect.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front view of a trackless running gear of a beam bottom inspection vehicle according to the present invention;
FIG. 2 is a partially enlarged view of the trackless running gear of the sill inspection vehicle of the present invention;
FIG. 3 is a schematic view of the state of the locking mechanism of the trolley in the trackless walking device of the beam bottom inspection trolley in the invention when the locking mechanism is released from the lock hole of the steel box beam;
FIG. 4 is a schematic view of a state when a trolley locking mechanism and a steel box beam lock hole in the trackless walking device of the beam bottom inspection vehicle are locked;
fig. 5 is a schematic view of the initial state of the beam bottom inspection vehicle according to the present invention.
Description of reference numerals:
1-walking beam, 2-walking trolley, 21-walking wheel, 3-walking driving mechanism, 31-gear rack transmission component, 311-gear, 312-rack, 32-first motor component, 4-trolley position adjusting mechanism, 41-frame, 42-transverse moving guide rail, 43-transverse moving box, 44-first screw rod, 45-second motor component, 5-trolley locking mechanism, 51-third motor component, 52-second screw rod, 53-locking seat, 54-suspension rod, 55-locking screw rod component, 56-rotary bracket, 6-walking beam position adjusting mechanism, 7-walking beam locking mechanism, 8-steel box beam lock hole and 9-steel box beam.
Detailed Description
In order to make the technical solutions of the present invention better understood, 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. It is to be understood that the described embodiments are merely illustrative of some, but not all, of the embodiments of the invention, and that the preferred embodiments of the invention are shown in the drawings. This invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present disclosure is set forth in order to provide a more thorough understanding thereof. 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.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The terms "including" and "having," and any variations thereof, in the description and claims of this invention and the above-described drawings are intended to cover non-exclusive inclusions.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
FIG. 1 is a front view of the trackless running gear of the beam bottom inspection trolley of the invention, and referring to FIG. 1, the trackless running gear of the beam bottom inspection trolley comprises a running beam 1, a running trolley 2, a running driving mechanism 3, a trolley position adjusting mechanism 4, a trolley locking mechanism 5, a running beam position adjusting mechanism 6, a running beam locking mechanism 7 and a steel box beam lock hole 8, wherein the running beam 1, the running trolley 2, the running driving mechanism 3, the trolley position adjusting mechanism 4, the trolley locking mechanism 5, the running beam position adjusting mechanism 6 and the running beam locking mechanism 7 are assembled, the steel box beam lock hole 8 is arranged at the bottom of the steel box beam 9 for realizing running trackless by matching with the beam bottom inspection trolley, wherein the running beam 1 penetrates through the running trolley 2 and is movably connected with the running trolley 2, the inside of the running trolley 2 is arranged around the outside of the running beam 1, the middle of the bottom of the walking trolley 2 is provided with the walking driving mechanism 3, the walking driving mechanism 3 is used for driving the walking trolley 2 and the walking beam 1 to move relatively, two ends of the bottom of the walking trolley 2 are symmetrically provided with the trolley position adjusting mechanisms 4, one side of each trolley position adjusting mechanism 4 is provided with the trolley locking mechanism 5, each trolley position adjusting mechanism 4 is fixedly connected with the trolley locking mechanism 5, each trolley position adjusting mechanism 4 is used for adjusting the position of the corresponding trolley locking mechanism 5 in time, and each trolley locking mechanism 5 is used for locking and unlocking the steel box girder locking hole 8;
the end parts of the two ends of the walking beam 1 are provided with the walking beam position adjusting mechanisms 6, one end of each walking beam position adjusting mechanism 6, which is close to the walking trolley 2, is vertically penetrated with the walking beam locking mechanism 7, the walking beam locking mechanism 7 is fixedly connected with the walking beam position adjusting mechanism 6, the walking beam position adjusting mechanism 6 is used for adjusting the position of the walking beam locking mechanism 7 in time, and the walking beam locking mechanism 7 is used for locking and unlocking the steel box beam lock hole 8;
the bottom of steel box girder 9 has been seted up along the longitudinal bridge direction steel box girder lockhole 8, the position of steel box girder lockhole 8 is placed corresponding to its below respectively dolly locking mechanical system 5 with walk the position of walking roof beam locking mechanical system 7, steel box girder lockhole 8 be used for the realization with dolly locking mechanical system 5 with the cooperation of walking roof beam locking mechanical system 7 realizes the trackless of beam-bottom inspection car trackless running gear walks to walk.
In the embodiment of the invention, the steel box girder lock holes 8 are waist-round holes along the longitudinal bridge direction, the length of the steel box girder lock holes should be suitable for the error adjustment range of the trolley positioning mechanism 4 and the walking beam positioning mechanism 6, the width of the steel box girder lock holes should be matched with the locking range of the trolley locking mechanism 5 and the walking beam locking mechanism 7, 2 steel box girder lock holes 8 are symmetrically arranged at certain intervals along the longitudinal bridge direction, and the intervals of the steel box girder lock holes should be consistent with the walking distance of the walking trolley 2 or the walking beam 1.
The travel drive mechanism 3 comprises a rack and pinion drive assembly 31 and a first motor assembly 32, the first motor component 32 is fixedly arranged at the bottom of the walking trolley 2, the output end of the first motor component 32 is in transmission connection with the gear rack transmission component 31, the gear rack transmission assembly 31 is composed of a gear 311 and a rack 312, the rack 312 is fixedly arranged at the bottom of the walking beam 1, the gear 311 penetrates through the travelling trolley 2 and is in meshed connection with the rack 312, the first motor assembly 32 includes a driving motor and a reducer, the driving motor is connected with the reducer, the speed reducer is in transmission connection with the gear rack transmission assembly 31, and the driving motor is matched with the speed reducer and the gear rack transmission assembly 31 to drive the walking trolley 2 and the walking beam 1 to move relatively.
It should be noted that, in other embodiments of the present invention, the rack and pinion transmission assembly 31 may also be a sprocket chain transmission assembly, the sprocket chain transmission assembly is composed of a sprocket and a chain, the speed reducer is in transmission connection with the sprocket chain transmission assembly, and the driving motor cooperates with the speed reducer and the sprocket chain transmission assembly to drive the traveling trolley 2 and the traveling beam 1 to move relatively.
Optionally, in order to ensure the stability of the relative movement between the running trolley 2 and the running beam 1, a plurality of running wheels 21 may be disposed between the running trolley 2 and the running beam 1, where the running wheels 21 are running wheels symmetric to the center axis of the running trolley 2, in an embodiment of the present invention, the number of the running wheels 21 is 4, and the running wheels are respectively symmetrically disposed on the top and bottom sides of the running trolley 2 and attached to the side surfaces of the upper and lower cover plates of the cross section of the running beam 1 to perform a lateral guiding function, and meanwhile, in order to control a lateral deviation error when the running beam 1 runs, the running wheels 21 may be designed as a single-side wheel rim, and it is needless to say that the number of the running wheels 21 may be selected according to actual requirements, which is not limited by the present invention.
FIG. 2 is a partial enlarged view of the trackless running device of the beam-bottom inspection trolley of the present invention, and referring to FIG. 2, the trolley positioning mechanism 4 includes a frame 41, a traverse guide 42, a traverse box 43, a first screw 44 and a second motor assembly 45, the frame 41 is hollow and fixedly disposed at the bottom of the trolley 2, the frame 41 has two parallel grooves on the bottom surface, the traverse guide 42 is fixedly disposed in the grooves, the traverse box 43 is disposed on the traverse guide 42, the traverse box 43 has two slide ways matching with the traverse guide 42 at the bottom thereof, so that the traverse box 43 can move relatively within the frame 1, the second motor assembly 45 is fixedly disposed at one side of the frame 41, the output end of the second motor assembly 45 is connected to the input end of the first screw 44, the output end of the first screw rod 44 passes through the frame 41 and is hinged with the traverse box 43, the second motor assembly 45 drives the first screw rod 44 to rotate, and synchronously drives the traverse box 43 to move along the traverse guide rail 42, the other side of the traverse box 43 is provided with the trolley locking mechanism 5, the trolley locking mechanism 5 is fixedly connected with the transverse moving box 43, one end of the trolley locking mechanism 5 sequentially and vertically penetrates through the rack 41 and the walking beam 1 and extends outwards, the trolley position adjusting mechanism 4 is matched with the trolley locking mechanism 5 to adjust the position of the trolley 2 when the trolley runs, the trolley locking mechanism 5 is adjusted in time when a large position error is generated relative to the steel box girder lock hole 8 arranged above the trolley locking mechanism, so that the trolley locking mechanism 5 can be smoothly locked and released with the steel box girder lock hole 8.
The trolley locking mechanism 5 comprises a third motor assembly 51, a second screw rod 52, a locking seat 53, a suspension rod 54, a locking screw rod assembly 55 and a rotary support 56, wherein the third motor assembly 51 is fixedly arranged at the bottom of the traversing box 43, the third motor assembly 51 is in transmission connection with the input end of the second screw rod 52, the output end of the second screw rod 52 can penetrate through the rack 41 to extend inwards and is hinged with the bottom of the locking seat 53 through a pin shaft, the top of the locking seat 53 is in rotary threaded connection with the bottom of the suspension rod 54, the top of the suspension rod 54 penetrates through the rack 41 to extend outwards, the top of the suspension rod 54 is in a rectangular clamping hole structure, the width of the rectangular clamping hole is slightly smaller than the width of the steel box beam lock hole 8 so as to enable the rectangular clamping hole to smoothly pass through, and the length of the rectangular clamping hole is slightly larger than the width of the steel box beam lock hole 8, the steel box girder hole 8 is clamped with the steel box girder; one side of the suspension rod 54 is provided with the locking screw rod assembly 55 perpendicular to the suspension rod 54, the locking screw rod assembly 55 is fixedly arranged on the traverse box 43, the output end of the locking screw rod assembly 55 is connected with one end of the rotary bracket 56, the other end of the rotary bracket 56 is sleeved on the suspension rod 54, the extension or retraction of the locking screw rod assembly 55 drives the rotary bracket 56 to rotate, and the rotary bracket 56 synchronously drives the suspension rod 54 to rotate.
Fig. 3 is a schematic diagram of a state when a trolley locking mechanism and a steel box beam lock hole in the trackless walking device of the beam bottom inspection vehicle are in a loosened state, fig. 4 is a schematic diagram of a state when the trolley locking mechanism and the steel box beam lock hole in the trackless walking device of the beam bottom inspection vehicle are locked, referring to fig. 3 and 4 and being combined with fig. 2, the third motor assembly 51 drives the second lead screw 52 to rotate, the second lead screw 52 synchronously drives the suspension rod 54 to perform an extending motion towards the steel box beam lock hole 8 through the locking seat 53, so that after a rectangular clamp hole at the top of the suspension rod 54 smoothly passes through the steel box beam lock hole 8, the locking lead screw assembly 55 extends to drive the rotary bracket 56 to rotate, and the suspension rod 54 is synchronously driven to perform a rotary motion of 0-90 degrees through the rotary bracket 56, because the length of the rectangular clamp hole at the top of the suspension rod 54 is greater than the width of the steel box beam lock hole 8, therefore, the hanger rod 54 can be completely clamped with the steel box girder clamping hole 8 during rotation, so that the travelling trolley 2 is locked with the bottom of the steel box girder 9, when the travelling trolley 2 needs to be loosened, the locking screw rod assembly 55 only needs to be retracted, the top of the hanger rod 54 is rotated to be parallel to the steel box girder locking hole 8, and after the top of the hanger rod 54 can smoothly pass through the steel box girder locking hole 8, the second screw rod 52 retracts to drive the top of the hanger rod 54 to be separated from the bottom of the steel box girder 9.
In the embodiment of the present invention, the structures of the walking beam positioning mechanism 6 and the walking beam locking mechanism 7 are substantially the same as the structures of the trolley positioning mechanism 4 and the trolley locking mechanism 5, and the operation principle is similar, and will not be repeated herein, except that the walking beam positioning mechanism 6 is not required to be installed at both ends of the walking beam 1 by means of the frame 41, the walking beam positioning mechanism 6 can be directly installed at both end portions of the walking beam 1, meanwhile, the walking beam locking mechanism 7 is also installed at one side of the walking beam positioning mechanism 6 facing the walking trolley 2, the walking beam locking mechanism 7 vertically penetrates through the walking beam 1 and is fixedly connected with the bottom of the walking beam positioning mechanism 6, the walking beam positioning mechanism 6 cooperates with the walking beam locking mechanism 7 to realize that when the walking beam 1 is shaped, the walking beam locking mechanism 7 is timely adjusted when a large position error is generated relative to the steel box beam locking hole 8 arranged above the walking beam locking mechanism 7, so that the walking beam locking mechanism 7 can be smoothly locked and unlocked with the steel box beam locking hole 8.
Fig. 5 is a schematic view of the initial state of the beam bottom inspection vehicle of the invention, referring to fig. 5, the specific running principle is as follows:
firstly, the trackless running gear of the beam bottom inspection vehicle is placed at the bottom of the steel box girder 9 along the longitudinal bridge direction, the running girder locking mechanisms 7 at the end parts of the two ends of the running girder 1 are respectively locked with the steel box girder locking holes 8 at the bottom of the steel box girder 9, the running trolley 2 can be positioned at any one end of the running girder 1, the trolley locking mechanisms 5 at the two ends of the running girder are also respectively locked with the steel box girder locking holes 8 at the bottom of the steel box girder 9, when the running is needed, the trolley locking mechanisms 5 are released from the steel box girder locking holes 8 to enable the running trolley 2 to be in a movable state, then, the running driving mechanism 3 is started, the running driving mechanism 3 drives the running trolley 2 to run to the other end of the running girder 1 along the running girder 1, and the trolley position adjusting mechanism 4 adjusts the position of the trolley locking mechanism 5 in time, so that the suspension rod is aligned with the corresponding steel box girder lock hole 8 above the suspension rod to ensure that the suspension rod 54 of the trolley locking mechanism 5 can smoothly pass through the steel box girder lock hole 8 and be locked, thereby locking the walking trolley 2 and the bottom of the steel box girder 9, then, the walking beam locking mechanisms 7 at the two ends of the walking beam 1 are controlled to be loosened from the steel box beam lock holes 8, after the walking beam 1 is in a movable state, the walking driving mechanism 3 is started to drive the walking beam 1 to move along the longitudinal bridge direction to the position of the next group of steel box beam lock holes 8 and stop, the walking beam position adjusting mechanism 6 timely adjusts the position error between the walking beam locking mechanism 7 and the steel box beam lock hole 8 above the walking beam locking mechanism, the locking mechanism 7 is used for smoothly locking the walking beam with the lock hole 8 of the steel box girder, so that the walking beam 1 is locked with the bottom of the steel box girder 9; and repeating the steps to finish the trackless running of the beam bottom inspection vehicle.
The invention relates to a trackless running device of a beam bottom inspection vehicle, which is used for realizing trackless running of the beam bottom inspection vehicle, in order to realize trackless traveling, the bottom of the steel box girder 9 is only required to be provided with the steel box girder lock hole 8, the trackless walking is realized in the real sense by the mutual staggered movement of the walking beam 1 and the walking trolley 2 at the bottom of the beam, in order to avoid position errors between the walking beam 1 and/or the walking trolley 2 and the steel box girder lock hole 8 during walking, the walking beam position adjusting mechanism 6 and/or the trolley position adjusting mechanism 4 are correspondingly designed, the trolley positioning mechanism 4 and the walking beam positioning mechanism 6 are respectively used for adjusting position errors when the trolley locking mechanism 5, the walking beam locking mechanism 7 and the steel box beam lock hole 8 are inserted, so that the trolley locking mechanism 5 and the walking beam locking mechanism 7 can be smoothly locked and unlocked with the steel box beam lock hole 8; the device has the advantages of convenient control and operation, flexible operation, reasonable design and high working efficiency, realizes trackless running in the real sense and has better market prospect.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing detailed description, or equivalent changes may be made in some of the features of the embodiments. All equivalent structures made by using the contents of the specification and the attached drawings of the invention can be directly or indirectly applied to other related technical fields, and are also within the protection scope of the patent of the invention.
Claims (7)
1. A trackless running device of a beam bottom inspection trolley is characterized by comprising a running beam, a running trolley, a running driving mechanism, a trolley position adjusting mechanism, a trolley locking mechanism, a running beam position adjusting mechanism, a running beam locking mechanism and a steel box beam lock hole, wherein the running beam, the running trolley, the running driving mechanism, the trolley position adjusting mechanism, the trolley locking mechanism, the running beam position adjusting mechanism and the running beam locking mechanism are assembled, the steel box beam lock hole is formed in the bottom of the steel box beam, the running beam penetrates through the running trolley and is movably connected with the running trolley, the inside of the running trolley is arranged around the outside of the running beam, the running driving mechanism is arranged in the middle of the bottom of the running trolley, the trolley position adjusting mechanisms are symmetrically arranged at two ends of the bottom of the running trolley, the trolley locking mechanism is arranged at one side of the trolley position adjusting mechanism, the trolley position adjusting mechanism is fixedly connected with the trolley locking mechanism;
the end parts of the two ends of the walking beam are provided with the walking beam position adjusting mechanisms, one end of each walking beam position adjusting mechanism, which is close to the walking trolley, is vertically penetrated with the walking beam locking mechanism, the walking beam locking mechanism is fixedly connected with the walking beam position adjusting mechanisms, the bottom of the steel box girder is provided with the steel box girder lock hole along the longitudinal bridge direction, and the positions of the steel box girder lock holes respectively correspond to the positions of the trolley locking mechanism and the walking beam locking mechanism which are arranged below the steel box girder lock hole;
the trolley position adjusting mechanism comprises a frame, a transverse guide rail, a transverse box, a first screw rod and a second motor component, the frame is hollow and is fixedly arranged at the bottom of the walking trolley, the bottom surface inside the frame is provided with parallel grooves, the transverse moving guide rail is fixedly arranged in the groove, the transverse moving box is arranged on the transverse moving guide rail, the bottom of the transverse moving box is provided with a slideway matched with the transverse moving guide rail, the second motor component is fixedly arranged at one side of the rack, the output end of the second motor component is connected with the input end of the first screw rod, the output end of the first screw rod penetrates through the rack and is hinged with the transverse moving box, the other side of the transverse moving box is provided with the trolley locking mechanism which is fixedly connected with the transverse moving box, one end of the trolley locking mechanism sequentially and vertically penetrates through the rack and the walking beam and extends outwards.
2. The trackless running device of a beam-bottom inspection vehicle of claim 1, wherein the trolley locking mechanism comprises a third motor assembly, a second screw rod, a locking seat, a suspension rod, a locking screw rod assembly and a rotary bracket, the third motor assembly is fixedly arranged at the bottom of the traverse box, the third motor assembly is in transmission connection with an input end of the second screw rod, an output end of the second screw rod can penetrate through the frame to extend inwards and is hinged with the bottom of the locking seat through a pin shaft, a top of the locking seat is in rotary threaded connection with the bottom of the suspension rod, a top of the suspension rod penetrates through the frame to extend outwards, the locking screw rod assembly perpendicular to the suspension rod is arranged on one side of the suspension rod, the locking screw rod assembly is fixedly arranged on the traverse box, and an output end of the locking screw rod assembly is connected with one end of the rotary bracket, the other end of the rotary support is sleeved on the hanging rod.
3. The trackless running device of the beam bottom inspection vehicle as claimed in claim 2, wherein the top of the suspension rod is a rectangular clamping hole structure, the width of the top of the suspension rod is smaller than the width of the locking hole of the steel box beam, and the length of the top of the suspension rod is larger than the width of the locking hole of the steel box beam.
4. The trackless running device of the beam-bottom inspection vehicle of claim 1, wherein the running driving mechanism comprises a rack-and-pinion transmission assembly and a first motor assembly, the first motor assembly is fixedly arranged at the bottom of the running trolley, the output end of the first motor assembly is in transmission connection with the rack-and-pinion transmission assembly, the rack-and-pinion transmission assembly comprises a gear and a rack, the rack is fixedly arranged at the bottom of the running beam, the gear penetrates through the running trolley and is in meshing connection with the rack, the first motor assembly comprises a driving motor and a reducer, the driving motor is connected with the reducer, and the reducer is in transmission connection with the rack-and-pinion transmission assembly.
5. The trackless running gear of a beam-bottom inspection vehicle as claimed in claim 1, wherein a plurality of running wheels are provided between the running carriage and the running beam, the plurality of running wheels being provided on top and bottom of the running carriage in turn and in contact with the running beam.
6. The trackless running gear of the beam bottom inspection vehicle as claimed in claim 5, wherein the running wheels are respectively symmetrical with the center of the central shaft of the running trolley and are of a single-side wheel rim structure.
7. The trackless running device of the beam bottom inspection vehicle as claimed in claim 1, wherein the steel box beam lock hole is a waist circular hole along the longitudinal bridge direction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911017886.XA CN110700093B (en) | 2019-10-24 | 2019-10-24 | Trackless running gear of beam bottom inspection vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911017886.XA CN110700093B (en) | 2019-10-24 | 2019-10-24 | Trackless running gear of beam bottom inspection vehicle |
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| CN110700093A CN110700093A (en) | 2020-01-17 |
| CN110700093B true CN110700093B (en) | 2021-04-30 |
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| CN113668389B (en) * | 2021-07-17 | 2023-03-14 | 江苏镇江路桥工程有限公司 | Self-walking auxiliary construction platform for steel truss girder bridge construction |
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| CN103194965A (en) * | 2012-01-09 | 2013-07-10 | 曹新恒 | Self-anchorage track laying type bridge inspection vehicle |
| CN204224988U (en) * | 2014-11-14 | 2015-03-25 | 武桥重工集团股份有限公司 | The trackless lower edge inspection trolley of a kind of steel purlin bridge |
| CN104846739B (en) * | 2015-04-28 | 2017-01-25 | 中铁工程设计咨询集团有限公司 | Bridge inspection and maintenance device |
| CN205711736U (en) * | 2016-04-25 | 2016-11-23 | 西南交通大学 | A kind of suspension bridge checks the walking mechanism of car |
| KR101964848B1 (en) * | 2018-07-03 | 2019-04-03 | 주식회사 제이에스컴 | Bridge inspection passage installation method and its structure |
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