CN114056359B - Rail flaw detection mechanism - Google Patents
Rail flaw detection mechanism Download PDFInfo
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- CN114056359B CN114056359B CN202111560863.0A CN202111560863A CN114056359B CN 114056359 B CN114056359 B CN 114056359B CN 202111560863 A CN202111560863 A CN 202111560863A CN 114056359 B CN114056359 B CN 114056359B
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- lifting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D15/00—Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways
- B61D15/08—Railway inspection trolleys
- B61D15/12—Railway inspection trolleys power propelled
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B17/00—Wheels characterised by rail-engaging elements
- B60B17/0003—Wheel bodies characterised by use of non-metallic material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60F—VEHICLES FOR USE BOTH ON RAIL AND ON ROAD; AMPHIBIOUS OR LIKE VEHICLES; CONVERTIBLE VEHICLES
- B60F1/00—Vehicles for use both on rail and on road; Conversions therefor
- B60F1/04—Vehicles for use both on rail and on road; Conversions therefor with rail and road wheels on different axles
- B60F1/043—Vehicles comprising own propelling units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D49/00—Other details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
- B61K9/08—Measuring installations for surveying permanent way
- B61K9/10—Measuring installations for surveying permanent way for detecting cracks in rails or welds thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2360/00—Materials; Physical forms thereof
- B60B2360/50—Rubbers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Toys (AREA)
Abstract
The invention discloses a track flaw detection mechanism, which effectively solves the problems that the existing device is inconvenient to move and can not run on the ground, and comprises a vehicle body, wherein a left wheel mechanism is arranged on the left side of the vehicle body, a right wheel mechanism is arranged on the right side of the vehicle body, a steering mechanism is arranged at the lower end of the front side of the vehicle body, a right track wheel mechanism is arranged on the right side of the lower end of the vehicle body, a left track wheel mechanism is arranged on the left side of the lower end of the vehicle body, a switching mechanism is arranged at the lower end of the vehicle body, the left wheel mechanism, the right wheel mechanism and the switching mechanism are mutually matched to form a limit structure of the height of the vehicle body, the upper end of the vehicle body is fixedly connected with a seat, and a plurality of storage boxes are slidably connected with one observation screen.
Description
Technical Field
The invention belongs to the technical field of rail transit apparatuses, and particularly relates to a rail flaw detection mechanism.
Background
The integrity of the steel rail is an important guarantee of running safety, defects of the in-service steel rail directly threaten personal safety of people, accurate and efficient detection of the steel rail is a necessary means for eliminating hidden danger, because ultrasonic detection has the characteristics of high sensitivity, good directivity, strong penetrating power, no harm to human bodies and the like, domestic and foreign steel rail nondestructive detection is mainly based on ultrasonic flaw detection technology, the existing flaw detection mechanism is mostly a small-sized trolley, an operator is required to push the trolley, various data displayed by a screen are also required to be observed at all times in the running process, but because sleepers and stones are arranged at the lower end of the rail, the operator is easy to trip over in the running process, and the mode is time-consuming and labor-consuming, if cracks or missing blocks are found in the flaw detection engineering, the flaw detection mechanism can not be repaired timely, but is a part of a small-sized trolley which can run on the rail, the flat trolley is heavy and inconvenient to run on the ground, and therefore a large amount of manpower is wasted when the rail needs to be moved to the upper side of the flat trolley, and the rail flaw detection mechanism which can run freely on the ground is required.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the track flaw detection mechanism, which effectively achieves the aim of facilitating the running on the ground, optimizes the running function at the upper end of the track, newly increases the automatic switching between different states of the ground running and the track running, achieves the aim of facilitating the driving, increases the functions of the repair tool in a mode and optimizes the running stability.
In order to achieve the above purpose, the invention adopts the following technical scheme that the automobile comprises an automobile body, the left side of the automobile body is provided with a left wheel mechanism, the right side of the automobile body is provided with a right wheel mechanism, the front lower end of the automobile body is provided with a steering mechanism, the left wheel mechanism, the right wheel mechanism and the steering mechanism are mutually matched to form a limiting mechanism of the automobile body, the right side of the lower end of the automobile body is connected with a right rail wheel mechanism in a sliding manner, the lower end of the automobile body is connected with a left rail wheel mechanism in a sliding manner, the lower end of the automobile body is connected with a switching mechanism in a sliding manner, the switching mechanism comprises a fixed plate fixedly connected with the automobile body, the middle part of the fixed plate is rotatably connected with a rocker, the left side of the rocker is connected with a pressing rod, the outer side of the pressing rod is sleeved with a pressing spring, the outer side of the pressing rod is sleeved with a top plate, the right side of the rocker is connected with a switching pushing block, the right side of the switching block is connected with a switching shaft in a sliding manner, the middle part of the switching shaft is connected with a driving wheel in a sliding manner, the lower end of the automobile body is connected with a driving wheel is fixedly connected with a seat, the front of the driving wheel is connected with a seat is fixedly connected with the front driving wheel of the driving wheel, the seat is connected with the seat is in a lifting mechanism, and the seat is in a lifting mechanism is in a sliding manner, and the seat is meshed with the seat is in a lifting mechanism.
Preferably, the left wheel mechanism comprises two wheel frames which are symmetrical front and back, the right side of each wheel frame is rotationally connected with a plurality of lifting arms, the right side of each lifting arm is rotationally connected with a vehicle body, the left side of the vehicle body is rotationally connected with two lifting worms, each lifting worm is engaged with a corresponding lifting arm, a linkage belt is sleeved between each lifting worm, each wheel frame is rotationally connected with a movable wheel on the left side, the middle part of each wheel frame is rotationally connected with a driven sprocket, a travelling chain is sleeved between each driven sprocket and a corresponding movable wheel, the middle part of each wheel frame is rotationally connected with a driving sprocket engaged with the corresponding driven sprocket, the left side of the vehicle body is rotationally connected with two driving sprockets, a driving chain is sleeved between each driving sprocket and the driving sprocket, the bottom end of the vehicle body is rotationally connected with a transmission shaft, each driving sprocket and the transmission shaft are sleeved with a driving belt, the right wheel mechanism is identical to the left wheel mechanism, the left wheel mechanism is sleeved with the corresponding movable wheel, and the left wheel mechanism is provided with a lifting belt, and the lower end of the lifting belt is symmetrically arranged.
Preferably, the left rail wheel mechanism comprises two wheel brackets which are symmetrical from front to back, each wheel bracket is in sliding connection with the vehicle body, an ultrasonic detector is fixedly connected between the two wheel brackets, one side, far away from the ultrasonic detector, of each wheel bracket is rotationally connected with a rail roller, the lower end of each wheel bracket is rotationally connected with a travelling shaft, the lower end of each travelling shaft is fixedly connected with a rubber wheel, the right side of each travelling shaft is engaged with a travelling rod, each travelling rod is rotationally connected with the corresponding wheel bracket, the upper end of each wheel bracket is rotationally connected with an extension rod, and the right rail mechanism is identical to the left rail mechanism in structure and is arranged in bilateral symmetry.
Preferably, the steering mechanism comprises a reversing main shaft rotationally connected with the vehicle body, two transmission sleeves are symmetrically and slidingly connected on the outer side of the reversing main shaft, one side of each transmission sleeve, which is far away from the reversing main shaft, is provided with an engagement disc, each engagement disc is engaged with a corresponding transmission shaft, one side of each transmission sleeve, which is far away from the corresponding engagement disc, is provided with a reset spring, a C-shaped rod is arranged at the rear of the reversing main shaft and is rotationally connected with the vehicle body, an adjusting shaft is engaged on the rear side of the C-shaped rod, the upper end of the adjusting shaft is slidingly connected with a handheld shaft, the handheld shaft is rotationally connected with the vehicle body, a driving motor is arranged above the reversing main shaft and is fixedly connected with the vehicle body, and a rectangular belt is sleeved between the right side of the driving motor and the reversing main shaft.
Preferably, the lower extreme rotation of automobile body is connected with a length-enlarging axle, and the equal screw-thread fit in front and back both sides of length-enlarging axle has a length-enlarging slider, and the lower extreme of every length-enlarging slider all rotates with the length-enlarging pole that corresponds to be connected, length-enlarging action wheel and length-enlarging axle meshing, the rear side fixedly connected with step motor of driving shaft, step motor and automobile body fixed connection.
Preferably, the lower extreme of automobile body is rotated and is connected with two drive shafts, and the left and right sides of every drive shaft all with corresponding pole sliding connection that advances, overlap between two drive shafts and be equipped with a toothed belt, the lower extreme fixedly connected with of automobile body advances the motor, and the right side of advancing the motor and the drive shaft of automobile body rear side overlap and be equipped with a drive belt.
Compared with the prior art, the invention has the following beneficial effects: 1. the invention has the left wheel mechanism and the right wheel mechanism, effectively achieves the aim of being convenient for running on the ground, when in use, the transmission shaft rotates to enable each transmission chain wheel to rotate through the transmission belt, at the moment, the transmission chain wheel rotates the movable wheel through the transmission chain, the driving chain wheel, the driven chain wheel and the travelling chain, at the moment, the front and back movement of the vehicle body can be controlled by changing the rotation direction of the transmission shaft; 2. the invention has the right rail wheel mechanism and the left rail wheel mechanism, effectively optimizes the running function at the upper end of the rail, and when in use, the extension rod pushes the wheel bracket to slide along the vehicle body so as to enable the rail roller to be in contact with the rail, and simultaneously, each rubber wheel is also respectively in contact with the rail, at the moment, the travelling rod is rotated, the travelling rod enables the rubber wheels to rotate through the travelling shaft, and at the moment, the vehicle body can run at the upper end of the rail; 3. the invention has a switching mechanism, effectively and newly increases the different states of automatic switching ground walking and rail walking, when in use, the driving shaft rotates, when the switching shaft is meshed with the extension driving wheel, the driving shaft rotates the extension driving wheel through the switching shaft, when the extension driving wheel is blocked, the switching shaft continues to rotate and can receive backward thrust, at the moment, the switching shaft and the switching pushing block synchronously move backward, the switching pushing block rotates the rocker, the compression spring is stressed and contracted when the rocker rotates, when the rocker rotates past the midpoint, the compression spring returns to the original state, at the moment, the left side of the compression rod rapidly slides to the rear limit position along the fixed plate, and at the moment, the switching shaft is meshed with the lifting driving wheel; 4. the steering mechanism is provided with the steering mechanism, so that the aim of convenient driving is effectively achieved, the steering main shaft is driven to rotate by the driving motor through the rectangular belt when the steering mechanism is used, meanwhile, each transmission shaft is enabled to rotate by the steering main shaft through each transmission sleeve and each meshing disc, when the handheld shaft is rotated, the C-shaped rod is enabled to rotate simultaneously by the adjusting shaft, when the C-shaped rod rotates, the transmission sleeve on one side is separated from the corresponding meshing disc, at the moment, the corresponding transmission shaft stops rotating, after the handheld shaft is released, the transmission sleeve is pushed by the reset spring to be reset to be in contact with the corresponding meshing disc, and at the moment, the corresponding transmission shaft rotates; 5. the invention has the storage box, the function of a repair tool in a mode is added, the tool for repairing the rail can be placed in the storage box when the storage box is used, and the repair can be carried out at the first time when the rail is found to have potential safety hazards; 6. the invention has the advantages that the running stability is effectively optimized, the rubber wheels can be tightly attached to the side surfaces of the track when in use, and the running speed can be ensured not to be influenced by the fluctuation of the track when the vehicle body is on an ascending slope or a descending slope.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of the usage state of the present invention.
Fig. 3 is a schematic structural diagram of the switching mechanism in the present invention.
Fig. 4 is a schematic diagram illustrating a switching mechanism according to the present invention.
Fig. 5 is a schematic diagram of the positional relationship between the left wheel mechanism and the right wheel mechanism in the present invention.
Fig. 6 is a schematic structural view of the left wheel mechanism in the present invention.
Fig. 7 is a schematic diagram of the positional relationship between the right rail wheel mechanism and the left rail wheel mechanism in the present invention.
Fig. 8 is a schematic structural view of the left rail wheel mechanism in the present invention.
Fig. 9 is a schematic view of a steering mechanism according to the present invention.
Fig. 10 is an exploded view of the steering mechanism of the present invention.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to FIGS. 1-10
In a first embodiment, as shown in fig. 1-4, the invention comprises a car body 1, a left wheel mechanism 2 is arranged on the left side of the car body 1 in order to achieve the function of facilitating walking on the ground, a right wheel mechanism 3 is arranged on the right side of the car body 1, a steering mechanism 4 is arranged at the lower end of the front side of the car body 1, the left wheel mechanism 2, the right wheel mechanism 3 and the steering mechanism 4 are mutually matched to form a limit mechanism of the car body 1, a right rail wheel mechanism 5 is connected at the right side of the lower end of the car body 1 in a sliding manner in order to facilitate walking on a railway track, a left rail wheel mechanism 6 is connected at the left side of the lower end of the car body 1 in a sliding manner in order to achieve the different states of automatically switching the ground walking and the railway walking, a switching mechanism 7 is fixedly connected at the lower end of the car body 1, the switching mechanism 7 comprises a fixing plate 71 fixedly connected with the car body 1, the middle part of the fixed plate 71 is rotationally connected with a rocker 72, the left side of the rocker 72 is slidingly connected with a squeeze rod 73, the left end of the squeeze rod 73 is contacted with the fixed plate 71 and slides along the fixed plate 71, the outer side of the squeeze rod 73 is sleeved with a squeeze spring 74, the outer side of the squeeze rod 73 is slidingly sleeved with a top plate 75, one side of the top plate 75 is fixedly connected with the squeeze spring 74, the other side of the top plate 75 is contacted with the rocker 72, the right side of the rocker 72 is slidingly connected with a switching push block 76, the right side of the switching push block 76 is slidingly connected with a switching shaft 77, the middle part of the switching shaft 77 is slidingly connected with a driving shaft 78, a part of the shaft section of the driving shaft 78 matched with the switching shaft 77 is in an elliptic cylinder shape, the other part of the driving shaft 78 is rotationally connected with the vehicle body 1, the front side of the driving shaft 78 is rotationally sleeved with an expanding driving wheel 79, the rear side of the driving shaft 78 is rotationally sleeved with a lifting driving wheel 80, the driving shaft 78 does not drive the extension driving wheel 79 and the lifting driving wheel 80 to rotate when rotating, the driving shaft 78 only plays a role of supporting the extension driving wheel 79 and the lifting driving wheel 80, the lower end of the lifting driving wheel 80 is meshed with a lifting driving wheel 81 rotationally connected with the vehicle body 1, when in use, the driving shaft 78 rotates, when the switching shaft 77 is meshed with the extension driving wheel 79, the driving shaft 78 rotates the extension driving wheel 79 through the switching shaft 77, when the extension driving wheel 79 is blocked, the switching shaft 77 continues to rotate and is subjected to backward thrust, at the moment, the switching shaft 77 synchronously moves backwards with the switching pushing block 76, the switching pushing block 76 rotates the rocker 72, and when the rocker 72 rotates, the extrusion spring 74 is stressed to shrink, when the rocker 72 rotates through the middle point, the extrusion spring 74 is restored, the left side of the extrusion rod 73 rapidly slides to the rear side limit position along the fixed plate 71, the switching shaft 77 is meshed with the lifting driving wheel 80, the left wheel mechanism 2, the right wheel mechanism 3 and the switching mechanism 7 are mutually matched to form a limiting structure of the height of the vehicle body 1, in order to achieve the purpose of driving convenience, the upper end of the vehicle body 1 is fixedly connected with the seat 8, in order to achieve the purpose of placing repairing tools, the lower end of the seat 8 is slidably connected with the plurality of storage boxes 9, tools for repairing rails can be placed in the storage boxes 9, repairing can be carried out at the first time when the rails are found to have potential safety hazards, in order to achieve the function of observing flaw detection conditions conveniently, the upper end of the vehicle body 1 is fixedly connected with the observation screen 10, and the observation screen 10 is a common liquid crystal display and different models can be selected according to actual requirements.
In the second embodiment, as shown in fig. 1, 2, 5 and 6, in order to achieve the purpose of traveling on the ground and being convenient for traveling to the upper end of the railway track, the left wheel mechanism 2 includes two wheel frames 21 that are symmetrical back and forth, the right side of each wheel frame 21 is rotationally connected with a plurality of lifting arms 22, the right side of each lifting arm 22 is rotationally connected with the vehicle body 1, the left side of the vehicle body 1 is rotationally connected with two lifting worms 23, each lifting worm 23 is meshed with the corresponding lifting arm 22, the position of each lifting arm 22 corresponding to the lifting worm 23 is in a worm-wheel-shaped structure, a linkage belt 24 is sleeved between the two lifting worms 23, the two lifting worms 23 are simultaneously rotated through the linkage belt 24 when the linkage belt 24 is tightly sleeved and used, the lifting arms 22 are rotated at the moment, the height of the wheel frame 21 is changed, the left side of each wheel frame 21 is rotationally connected with a moving wheel 25, the middle part of each wheel frame 21 is rotationally connected with a driven sprocket 26, a traveling chain 27 is sleeved between each driven sprocket 26 and the corresponding moving wheel 25, the middle part of each wheel frame 21 is rotationally connected with a driving sprocket 28 meshed with the corresponding driven sprocket 26, the left side of the vehicle body 1 is rotationally connected with two driving sprockets 29, a driving chain 30 is sleeved between each driving sprocket 29 and the driving sprocket 28, the bottom end of the vehicle body 1 is rotationally connected with a driving shaft 31, a driving belt 32 is sleeved between each driving sprocket 29 and the driving shaft 31, the driving belt 32 is tightly sleeved, the driving shaft 31 rotates through the driving belt 32 under the condition that no slip occurs when in use, at this time, the driving sprocket 29 rotates the moving wheel 25 through the driving chain 30, the driving sprocket 28, the driven sprocket 26 and the travelling chain 27, at this time, the front and back movement of the vehicle body 1 can be controlled by changing the rotation direction of the driving shaft 31, the right wheel mechanism 3 and the left wheel mechanism 2 are identical in structure and symmetrically arranged left and right, the lower end of the lifting main belt wheel 81 is provided with a lifting control belt 11, the lifting control belt 11 is sleeved between the two lifting worms 23 and the lifting main belt wheel 81 on the front side of the vehicle body 1, and when in use, the lifting main belt wheel 81 rotates to enable each lifting worm 23 to synchronously rotate through the lifting control belt 11 and each linkage belt 24, so as to control the height change of the wheel frame 21.
In the third embodiment, based on the first embodiment, as shown in fig. 1, fig. 7 and fig. 8, in order to achieve the purpose of normal running on the track, the left rail wheel mechanism 6 includes two wheel brackets 51 that are symmetrical front and back, each wheel bracket 51 is slidably connected with the vehicle body 1, an ultrasonic detector 52 is fixedly connected between the two wheel brackets 51, the ultrasonic detector 52 is in the prior art, when in use, a device of a proper model can be selected according to the requirement, the ultrasonic detector 52 does not describe too much here, the ultrasonic detector 52 is communicated with the observation screen 10, the ultrasonic condition can be displayed on the observation screen 10 in real time, one side of each wheel bracket 51 far away from the ultrasonic detector 52 is rotationally connected with a rail roller 53, the lower end of each wheel bracket 51 is rotationally connected with a running shaft 54, the lower end of each running shaft 54 is fixedly connected with a rubber wheel 55, the rubber wheel 55 can be tightly attached to the side of the track, when the vehicle body 1 is in an uphill slope or downhill slope, the vehicle body 1 can be guaranteed to be in a different running state, the running shaft is rotationally connected with each running shaft 55, the running shaft is rotationally connected with a corresponding rail rod 56, and the running rod is rotationally connected with the corresponding rail rod 57, and the running rod is rotationally connected with the left rail bracket 55, and the running rod is rotationally connected with the right rail bracket by a long rod 57, and the running rod is rotationally the running rod is in contact with the left rail rod and the right rod 51 by the running rod and the running rod has a good running rod and the running rod 54.
In the fourth embodiment, based on the second embodiment, as shown in fig. 1, fig. 9 and fig. 10, in order to achieve the purpose of controllable direction during ground walking, the steering mechanism 4 includes a reversing spindle 41 rotatably connected with the vehicle body 1, two driving sleeves 42 are symmetrically and slidingly connected on the outer side of the reversing spindle 41, one side of each driving sleeve 42 far away from the reversing spindle 41 is provided with a meshing disk 43, each meshing disk 43 is rotatably connected with the vehicle body 1, each driving sleeve 42 can be meshed with the corresponding meshing disk 43, each meshing disk 43 is meshed with the corresponding transmission shaft 31, one side of each driving sleeve 42 far away from the corresponding meshing disk 43 is provided with a return spring 44, an adjusting shaft 46 is meshed on the rear side of the reversing spindle 41, the upper end of each adjusting shaft 46 is slidingly connected with a hand shaft 47, the hand shaft 47 is rotatably connected with the vehicle body 1, the hand shaft 47 is rotatably connected with the motor 47, the hand shaft 47 is rotatably connected with the motor 48, the hand shaft is rotatably connected with the motor 48 by the driving shaft 48, and is rotatably connected with the reversing spindle 41 by the driving sleeve 48, and is rotatably connected with the reversing spindle 48 by a rectangular motor 48, the reversing spindle 48 is rotatably arranged on the left side of the reversing spindle 1, and is rotatably connected with the reversing spindle 1 by a driving sleeve 48, and is rotatably connected with the reversing spindle 48 by a rectangular motor 48, the driving sleeve is rotatably 48 is rotatably connected with the reversing spindle 1 by the reversing spindle 4 by a driving the driving motor 48, and is rotatably connected with the reversing spindle 48 by a rectangular motor 48 by the driving motor in a driving motor, and is rotatably a driving motor 48 by a driving motor and a driving motor in a driving motor and a driving motor. When the C-shaped rod 45 rotates, the driving sleeve 42 on one side is separated from the corresponding engagement disc 43, the corresponding driving shaft 31 stops rotating, and when the hand-held shaft 47 is released, the driving sleeve 42 is pushed by the reset spring 44 to be reset to be in contact with the corresponding engagement disc 43, and the corresponding driving shaft 31 rotates.
In the fifth embodiment, based on the third embodiment, as shown in fig. 3, fig. 4 and fig. 7, in order to achieve the purpose of facilitating the running onto the track, the lower end of the vehicle body 1 is rotationally connected with an extension shaft 12, the front side and the rear side of the extension shaft 12 are both in threaded fit with an extension slide block 13, the front side and the rear side of the extension shaft 12 are opposite in threaded direction, the front side and the rear side of the extension shaft 12 are respectively in opposite directions when the extension shaft 12 rotates, each extension slide block 13 is slidably connected with the vehicle body 1, the lower end of each extension slide block 13 is rotationally connected with a corresponding extension rod 57, the extension driving wheel 79 is meshed with the extension shaft 12, during use, the extension shaft 12 rotates, at this time, the extension slide block 13 moves to push the extension rod 57 to squeeze the corresponding wheel support 51, the rear side of the driving shaft 78 is fixedly connected with a stepping motor 14, and the stepping motor 14 is of a proper model number can be selected according to the requirement during actual use, which is not described in detail.
In the sixth embodiment, based on the third embodiment, as shown in fig. 1 and fig. 7, in order to achieve the better purpose, the lower end of the vehicle body 1 is rotatably connected with two driving shafts 15, the left and right sides of each driving shaft 15 are slidably connected with corresponding driving rods 56, each driving shaft 54 is in an elliptical column shape, when in use, no relative rotation with the corresponding driving shaft 15 occurs, a toothed belt 16 is sleeved between the two driving shafts 15, the lower end of the vehicle body 1 is fixedly connected with a driving motor 17, the driving motor 17 is in the prior art, a motor of a proper model can be selected according to the situation when in actual use, a driving belt 18 is sleeved between the right side of the driving motor 17 and the driving shaft 15 at the rear side of the vehicle body 1, when in use, the driving motor 17 rotates the driving shaft 15 at the rear side of the vehicle body 1 through the driving belt 18, and simultaneously rotates the two driving shafts 15 through the toothed belt 16, at this time, each driving rod 56 synchronously rotates.
The working process of the invention is as follows: firstly, a driving motor 48 is started to drive the vehicle body 1 to the upper part of a track, the driving motor 48 drives a reversing main shaft 41 to rotate through a rectangular belt 49, meanwhile, the reversing main shaft 41 rotates each transmission shaft 31 through each transmission sleeve 42 and each engagement disc 43, the transmission shaft 31 rotates each transmission chain wheel 29 through a transmission belt 32, at the moment, the transmission chain wheel 29 rotates the moving wheel 25 through a transmission chain 30, a driving chain wheel 28, a driven chain wheel 26 and a traveling chain 27, at the moment, the rotating direction of the transmission shaft 31 can be controlled to move back and forth, when the driving direction needs to be changed, the hand-held shaft 47 is rotated, the C-shaped rod 45 is simultaneously rotated through an adjusting shaft 46, the transmission sleeve 42 on one side is separated from the corresponding engagement disc 43 when the C-shaped rod 45 rotates, at the moment, the corresponding transmission shaft 31 stops rotating, at the moment, the moving wheel 25 on one side stops rotating, and the other side continues rotating, when the vehicle body 1 changes direction, when the vehicle runs to a proper position, the driving motor 48 is turned off, the driving shaft 78 rotates when the stepping motor 14 is turned on, when the switching shaft 77 is meshed with the extension driving wheel 79, the driving shaft 78 rotates the extension driving wheel 79 through the switching shaft 77, the extension sliding block 13 moves at the moment, the extension rod 57 is pushed to squeeze the corresponding wheel bracket 51, when the wheel bracket 51 slides to a limit position, the extension shaft 12 cannot continue to rotate, the switching shaft 77 continues to rotate when the extension driving wheel 79 is blocked, the switching shaft 77 can be subjected to backward thrust, at the moment, the switching shaft 77 synchronously moves with the switching pushing block 76, the switching pushing block 76 rotates the rocker 72, the pressing spring 74 is stressed to shrink when the rocker 72 rotates, when the rocker 72 rotates past the midpoint, the left side of the pressing spring 74 rapidly slides to a rear side limit position along the fixed plate 71 at the moment, the switching shaft 77 is meshed with the lifting driving wheel 80, the lifting main belt pulley 81 rotates to enable each lifting worm 23 to synchronously rotate through the lifting control belt 11 and each linkage belt 24, the height of the wheel frame 21 is controlled to change, when the moving wheel 25 ascends to a proper height and then the stepping motor 14 is closed, the rail roller 53 is in contact with rails, the ultrasonic detector 52 corresponds to the rails, then the travelling motor 17 is started, the travelling motor 17 enables the driving shafts 15 on the rear side of the vehicle body 1 to rotate through the driving belt 18, simultaneously the two driving shafts 15 are simultaneously rotated through the toothed belt 16, at the moment, each travelling rod 56 synchronously rotates, the travelling rod 56 enables the rubber wheel 55 to rotate through the travelling shaft 54, at the moment, the vehicle body 1 can walk at the upper end of the rail, when the detection is completed, the stepping motor 14 reversely rotates, at the moment, the travelling motor 17 is closed, then the wheel frame 21 descends in height, when the wheel frame 21 descends to the limit position, the lifting driving wheel 80 is blocked from rotating, at the moment, the switching shaft 77 is pressed forward by the rotation direction, the switching shaft 77 and the switching pushing block 76 synchronously moves forward, the rocking rod 72 rotates, and the rocking rod 72 is stressed by the pressing spring 74, when the rocking rod 72 rotates, and the rocking rod 72 rotates, at the moment, and the moment, the rocking rod 72 rotates, and the moment, and the rocking rod 74 rotates, and the travelling rod 74 rotates, and simultaneously, rotates, and the driving rod 72, and simultaneously, and rotates, and simultaneously, when the driving rod 72, rotates.
The invention has novel structure, ingenious conception and simple and convenient operation, effectively achieves the aim of facilitating the running on the ground through the design, optimizes the running function at the upper end of the track, newly increases the automatic switching of different states of the ground running and the track running, achieves the aim of facilitating the driving, increases the functions of the repair tool in a mode and optimizes the running stability.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The rail flaw detection mechanism comprises a vehicle body (1), and is characterized in that the left side of the vehicle body (1) is provided with a left wheel mechanism (2), the right side of the vehicle body (1) is provided with a right wheel mechanism (3), the lower end of the front side of the vehicle body (1) is provided with a steering mechanism (4), the left wheel mechanism (2), the right wheel mechanism (3) and the steering mechanism (4) are mutually matched to form a limit mechanism of the vehicle body (1), the right side sliding connection of the lower end of the vehicle body (1) is provided with a right rail wheel mechanism (5), the left side sliding connection of the lower end of the vehicle body (1) is provided with a left rail wheel mechanism (6), the lower end of the vehicle body (1) is fixedly connected with a switching mechanism (7), the switching mechanism (7) comprises a fixed plate (71) fixedly connected with the vehicle body (1), the middle part of the fixed plate (71) is rotationally connected with a rocker (72), the left side sliding connection of the rocker (72) is provided with a pressing rod (73), the outer side of the pressing rod (73) is sleeved with a pressing block (76), the pressing block (76) is connected with a pressing block (76), the middle part of the switching shaft (77) is slidingly connected with a driving shaft (78), the driving shaft (78) is rotationally connected with a vehicle body (1), the front side of the driving shaft (78) is rotationally sleeved with an extension driving wheel (79), the rear side of the driving shaft (78) is rotationally sleeved with a lifting driving wheel (80), the lower end of the lifting driving wheel (80) is meshed with a lifting main belt wheel (81) rotationally connected with the vehicle body (1), the left wheel mechanism (2), the right wheel mechanism (3) and the switching mechanism (7) are mutually matched to form a limiting structure of the height of the vehicle body (1), the upper end of the vehicle body (1) is fixedly connected with a seat (8), the lower end of the seat (8) is slidingly connected with a plurality of storage boxes (9), and the upper end of the vehicle body (1) is fixedly connected with an observation screen (10);
the left wheel mechanism (2) comprises two wheel frames (21) which are symmetrical front and back, the right side of each wheel frame (21) is rotationally connected with a plurality of lifting arms (22), the right side of each lifting arm (22) is rotationally connected with a vehicle body (1), the left side of the vehicle body (1) is rotationally connected with two lifting worms (23), each lifting worm (23) is meshed with the corresponding lifting arm (22), a linkage belt (24) is sleeved between the two lifting worms (23), the left side of each wheel frame (21) is rotationally connected with a moving wheel (25), and the lower end of the lifting main belt wheel (81) is provided with a lifting control belt (11);
the left rail wheel mechanism (6) comprises two wheel brackets (51) which are symmetrical front and back, each wheel bracket (51) is in sliding connection with a vehicle body (1), an ultrasonic detector (52) is fixedly connected between the two wheel brackets (51), one side, far away from the ultrasonic detector (52), of each wheel bracket (51) is rotationally connected with a rail roller (53), the lower end of each wheel bracket (51) is rotationally connected with a travelling shaft (54), the lower end of each travelling shaft (54) is fixedly connected with a rubber wheel (55), the right side of each travelling shaft (54) is engaged with a travelling rod (56), each travelling rod (56) is rotationally connected with the corresponding wheel bracket (51), the upper end of each wheel bracket (51) is rotationally connected with a lengthening rod (57), and the right rail wheel mechanism and the left rail wheel mechanism are identical in structure and are symmetrically arranged left;
the lower extreme rotation of automobile body (1) is connected with one and expands major axis (12), and the front and back both sides of expanding major axis (12) all screw-thread fit has one and expands long slider (13), and the lower extreme of every expands long slider (13) all rotates with corresponding extension pole (57) to be connected, the meshing of extension action wheel (79) and expanding major axis (12), the rear side fixedly connected with step motor (14) of driving shaft (78), step motor (14) and automobile body (1) fixed connection.
2. The track inspection mechanism according to claim 1, characterized in that the middle part of each wheel frame (21) is rotatably connected with a driven sprocket (26), a traveling chain (27) is sleeved between each driven sprocket (26) and a corresponding moving wheel (25), the middle part of each wheel frame (21) is rotatably connected with a driving sprocket (28) meshed with the corresponding driven sprocket (26), the left side of the vehicle body (1) is rotatably connected with two driving sprockets (29), a driving chain (30) is sleeved between each driving sprocket (29) and the driving sprocket (28), the bottom end of the vehicle body (1) is rotatably connected with a transmission shaft (31), a driving belt (32) is sleeved between each driving sprocket (29) and the transmission shaft (31), and the right wheel mechanism (3) and the left wheel mechanism (2) are identical in structure and symmetrically arranged left and right.
3. A track inspection mechanism according to claim 2, characterized in that the steering mechanism (4) comprises a reversing main shaft (41) rotationally connected with the vehicle body (1), two transmission sleeves (42) are symmetrically and slidingly connected on the outer side of the reversing main shaft (41), one side of each transmission sleeve (42) far away from the reversing main shaft (41) is provided with an engagement disc (43), each engagement disc (43) is engaged with a corresponding transmission shaft (31), one side of each transmission sleeve (42) far away from the corresponding engagement disc (43) is provided with a return spring (44), a C-shaped rod (45) is arranged behind the reversing main shaft (41), the C-shaped rod (45) is rotationally connected with the vehicle body (1), the rear side of the C-shaped rod (45) is engaged with an adjusting shaft (46), the upper end of each adjusting shaft (46) is slidingly connected with a handheld shaft (47), the handheld shaft (47) and the adjusting shaft (46) are rotationally connected with the vehicle body (1), a motor (41) is arranged above the main shaft (41) and a rectangular motor (48) is arranged on the side of the reversing main shaft (41), and a rectangular motor (48) is fixedly connected with the reversing main shaft (41) and a driving belt (48) is fixedly arranged between the reversing main shaft and the vehicle body (41).
4. The track inspection mechanism according to claim 1, characterized in that the lower end of the car body (1) is rotatably connected with two driving shafts (15), the left side and the right side of each driving shaft (15) are slidably connected with corresponding travelling rods (56), a toothed belt (16) is sleeved between the two driving shafts (15), the lower end of the car body (1) is fixedly connected with a travelling motor (17), and a driving belt (18) is sleeved between the right side of the travelling motor (17) and the driving shaft (15) at the rear side of the car body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111560863.0A CN114056359B (en) | 2021-12-20 | 2021-12-20 | Rail flaw detection mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111560863.0A CN114056359B (en) | 2021-12-20 | 2021-12-20 | Rail flaw detection mechanism |
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| CN114056359A CN114056359A (en) | 2022-02-18 |
| CN114056359B true CN114056359B (en) | 2023-08-25 |
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| CN115759139B (en) * | 2022-12-13 | 2023-06-02 | 菏泽市产品检验检测研究院 | Pressure pipeline's nondestructive test device based on thing networking |
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| CN114056359A (en) | 2022-02-18 |
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