CN114056359A - An orbital flaw detection mechanism - Google Patents
An orbital flaw detection mechanism Download PDFInfo
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- CN114056359A CN114056359A CN202111560863.0A CN202111560863A CN114056359A CN 114056359 A CN114056359 A CN 114056359A CN 202111560863 A CN202111560863 A CN 202111560863A CN 114056359 A CN114056359 A CN 114056359A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 109
- 238000001514 detection method Methods 0.000 title claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims description 57
- 238000001125 extrusion Methods 0.000 claims description 16
- 230000002146 bilateral effect Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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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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Abstract
一种轨道探伤机构，有效的解决了现有装置移动不便且不可在地面行驶的问题，包括车体，所述车体的左侧设有左轮机构，车体的右侧设有右轮机构，车体的前侧下端设有转向机构，车体的下端右侧设有右轨道轮机构，车体的下端左侧设有左轨道轮机构，车体的下端设有切换机构，左轮机构、右轮机构与切换机构相互配合形成车体高度的限位结构，所述车体的上端固定连接有一个座椅，座椅的下端滑动连接有多个储物箱，所述车体的上端固定连接有一个观察屏，本发明结构新颖，构思巧妙，通过本设计有效的优化了在轨道上端行驶的功能，新增了自动切换地面行走与轨道行走的不同状态，增加了可方式修复工具的功能，优化了行驶的稳定性。
A track flaw detection mechanism effectively solves the problems of inconvenient movement and inability to drive on the ground in the existing device, including a vehicle body, a left wheel mechanism is arranged on the left side of the vehicle body, and a right wheel mechanism is arranged on the right side of the vehicle body, The lower end of the front side of the vehicle body is provided with a steering mechanism, the right side of the lower end of the vehicle body is provided with a right rail wheel mechanism, the left side of the lower end of the vehicle body is provided with a left rail wheel mechanism, the lower end of the vehicle body is provided with a switching mechanism, the left wheel mechanism, the right rail wheel mechanism The wheel mechanism and the switching mechanism cooperate with each other to form a limit structure for the height of the vehicle body. A seat is fixedly connected to the upper end of the vehicle body, a plurality of storage boxes are slidably connected to the lower end of the seat, and the upper end of the vehicle body is fixedly connected. There is an observation screen. The present invention has a novel structure and ingenious conception. Through the design, the function of running on the upper end of the track is effectively optimized, and the different states of automatic switching between ground walking and track walking are newly added, and the function of repairing tools can be added. Optimized driving stability.
Description
Technical Field
The invention belongs to the technical field of rail transit instruments, and particularly relates to a rail flaw detection mechanism.
Background
The integrity of the steel rail is an important guarantee of driving safety, the defects of the steel rail in service directly threaten the personal safety of people, the regular accurate and efficient detection of the steel rail is a necessary means for eliminating hidden dangers, the ultrasonic detection has the characteristics of high sensitivity, good directivity, strong penetrating power, no harm to human bodies and the like, the domestic and foreign nondestructive detection of the steel rail mainly adopts the ultrasonic flaw detection technology, most of the existing flaw detection mechanisms are small-sized trolleys, the existing flaw detection mechanisms need to be pushed by operators, and various data displayed on a screen need to be observed constantly in the walking process, but because sleepers and stones are arranged at the lower end of the steel rail, the operators are easy to trip down in the walking process, the mode wastes time and labor, if cracks or defects are found in the engineering of flaw detection, the existing flaw detection mechanisms also have small-sized flat cars which can run on the rail, however, most of these flatbeds are heavy and inconvenient to run on the ground, and thus a lot of manpower is wasted when the flatbed needs to be moved above the rails, and thus a rail inspection mechanism which can run freely on the ground while running above the rails is required.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the rail flaw detection mechanism, which effectively achieves the aim of conveniently driving on the ground, optimizes the function of driving on the upper end of the rail, newly adds different states for automatically switching the ground walking and the rail walking, achieves the aim of conveniently driving, increases the functions of a mode repairing tool and optimizes the driving stability.
In order to achieve the purpose, the invention adopts the following technical scheme that the device 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, the left wheel mechanism, the right wheel mechanism and the steering mechanism are matched with each other to form a limiting mechanism of the vehicle body, a right track wheel mechanism is connected on the right side of the lower end of the vehicle body in a sliding manner, a left track wheel mechanism is connected on the left side of the lower end of the vehicle body in a sliding manner, a switching mechanism is fixedly connected at the lower end of the vehicle body, the switching mechanism comprises a fixed plate fixedly connected with the vehicle body, a rocker is rotatably connected in the middle of the fixed plate, an extrusion rod is connected on the left side of the rocker in a sliding manner, an extrusion spring is sleeved on the outer side of the extrusion rod, a top plate is sleeved on the outer side of the extrusion rod in a sliding manner, the right side sliding connection of rocker has a switching ejector pad, and the right side sliding connection who switches the ejector pad has a switching axle, and the middle part sliding connection of switching axle has a driving shaft, and the driving shaft rotates with the automobile body to be connected, the front side rotating sleeve of driving shaft is equipped with one and expands long action wheel, the rear side rotating sleeve of driving shaft is equipped with a lift action wheel, and the lower extreme meshing of lift action wheel has a lift main belt wheel of being connected with the automobile body rotation, and left wheel mechanism, right wheel mechanism and switching mechanism mutually support and form the limit structure of automobile body height, the upper end fixedly connected with seat of automobile body, the lower extreme sliding connection of seat has a plurality of storage tanks, the upper end fixedly connected with of automobile body observes the screen.
Preferably, the left wheel mechanism comprises two wheel carriers which are symmetrical front and back, the right side of each wheel carrier is rotatably connected with a plurality of lifting arms, the right side of each lifting arm is rotatably connected with the vehicle body, the left side of the vehicle body is rotatably connected with two lifting worms, each lifting worm is meshed with the corresponding lifting arm, a linkage belt is sleeved between the two lifting worms, the left side of each wheel carrier is rotatably connected with a movable wheel, the middle part of each wheel carrier is rotatably connected with a driven sprocket, a traveling chain is sleeved between each driven sprocket and the corresponding movable wheel, the middle part of each wheel carrier is rotatably connected with a driving sprocket meshed with the corresponding driven sprocket, the left side of the vehicle body is rotatably connected with two driving sprockets, and a driving chain is sleeved between each driving sprocket and the driving sprocket, the bottom of automobile body rotates and is connected with a transmission shaft, every all the cover is equipped with a drive belt between drive sprocket and the transmission shaft, right wheel mechanism is the same with left wheel mechanism structure and bilateral symmetry sets up, the lower extreme of lift band pulley is equipped with a lift control area.
Preferably, left side track wheel mechanism is including the wheel support of two front and back symmetries, every wheel support all with automobile body sliding connection, two ultrasonic detection appearance of fixedly connected with between the wheel support, every one side that ultrasonic detection appearance was kept away from to the wheel support all rotates and is connected with a track gyro wheel, every the lower extreme of wheel support all rotates and is connected with a axle of advancing, rubber wheel of the equal fixedly connected with of lower extreme of every axle of advancing, every the right side of axle of advancing all meshes has a pole of advancing, and every pole of advancing all is connected with the wheel support rotation that corresponds, every the upper end of wheel support all rotates and is connected with an extension bar, right side track mechanism is the same with left track mechanism structure and bilateral symmetry sets up.
Preferably, steering mechanism rotates the switching-over main shaft of being connected including one with the automobile body, and the outside bilateral symmetry sliding connection of switching-over main shaft has two transmission sleeve, and one side that the switching-over main shaft was kept away from to every transmission sleeve all is equipped with a meshing dish, and every meshing dish all meshes with the transmission shaft that corresponds, every one side that the transmission sleeve kept away from corresponding meshing dish all is equipped with a reset spring, the rear of switching-over main shaft is equipped with a C shape pole, and C shape pole rotates with the automobile body to be connected, the rear side meshing of C shape pole has an adjusting spindle, and the upper end sliding connection of adjusting spindle has a handheld axle, and handheld axle and adjusting spindle all rotate with the automobile body to be connected, the top of switching-over main shaft is equipped with a driving motor, driving motor and automobile body fixed connection, the cover is equipped with a rectangular area between driving motor's right side and the switching-over main shaft.
Preferably, the lower end of the vehicle body is rotatably connected with an extended shaft, the front side and the rear side of the extended shaft are respectively provided with an extended sliding block in threaded fit, the lower end of each extended sliding block is rotatably connected with a corresponding extended rod, the extended driving wheel is meshed with the extended shaft, the rear side of the driving shaft is fixedly connected with a stepping motor, and the stepping motor is fixedly connected with the vehicle body.
Preferably, the lower end of the vehicle body is rotatably connected with two driving shafts, the left side and the right side of each driving shaft are in sliding connection with corresponding advancing rods, a toothed belt is sleeved between the two driving shafts, the lower end of the vehicle body is fixedly connected with an advancing motor, and a driving belt is sleeved between the right side of the advancing motor and the driving shaft at the rear side of the vehicle body.
Compared with the prior art, the invention has the following beneficial effects: 1. the invention has a left wheel mechanism and a right wheel mechanism, which effectively achieves the purpose of convenient driving 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 wheels rotate the movable wheels through the transmission chain, the driving chain wheel, the driven chain wheel and the advancing chain, and at the moment, the vehicle body can be controlled to move back and forth by changing the rotation direction of the transmission shaft; 2. the invention has a right track wheel mechanism and a left track wheel mechanism, effectively optimizes the running function on the upper end of the track, when in use, the extension bar pushes the wheel bracket to slide along the vehicle body, so that the track roller is contacted with the track, each rubber wheel is also contacted with the track respectively, at the same time, the running rod is rotated, the running rod enables the rubber wheels to rotate through the running shaft, and at the same time, the vehicle body can run on the upper end of the track; 3. the automatic switching device is provided with a switching mechanism, different states of automatically switching ground walking and track walking are effectively added, a driving shaft rotates when the automatic switching device is used, when a switching shaft is meshed with an extension driving wheel, the driving shaft enables the extension driving wheel to rotate 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 a switching push block synchronously move backward, the switching push block enables a rocker to rotate, an extrusion spring shrinks under force when the rocker rotates, when the rocker rotates to pass through a midpoint, the extrusion spring returns to an original state, at the moment, the left side of the extrusion rod rapidly slides to a rear side limit position along a fixed plate, and at the moment, the switching shaft is meshed with a lifting driving wheel; 4. the steering mechanism is arranged, so that the purpose of convenience in driving is effectively achieved, when the steering mechanism is used, the driving motor drives the reversing main shaft to rotate through the rectangular belt, the reversing main shaft enables each transmission shaft to rotate through each transmission sleeve and each meshing disc, when the handheld shaft is rotated, the adjusting shaft enables the C-shaped rods to rotate simultaneously, when the C-shaped rods rotate, the transmission sleeves on one side are separated from the corresponding meshing discs, the corresponding transmission shafts stop rotating at the moment, after the handheld shaft is loosened, the transmission sleeves are pushed by the reset springs to reset and contact with the corresponding meshing discs, and the corresponding transmission shafts rotate at the moment; 5. the rail repairing device has the storage box, the function of a mode repairing tool is added, the tool for repairing the rail can be placed in the storage box when the rail repairing device is used, and the rail can be repaired at the first time when potential safety hazards exist on the rail; 6. the invention has the rubber wheels, thereby effectively optimizing the running stability, 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 uphill slope or a downhill slope.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view 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 disassembled schematic view of the switching mechanism in the present invention.
FIG. 5 is a schematic diagram of the position relationship between the left wheel mechanism and the right wheel mechanism according to the present invention.
Fig. 6 is a schematic structural diagram of the left wheel mechanism of the present invention.
FIG. 7 is a schematic diagram showing the positional relationship between the right and left rail-wheel mechanisms according to the present invention.
FIG. 8 is a schematic structural view of the left track wheel mechanism of the present invention.
Fig. 9 is a schematic structural view of the steering mechanism of the present invention.
Fig. 10 is a schematic view of an explosive junction of the steering mechanism of the present invention.
Detailed Description
The following detailed description of the present invention will be made with reference to the accompanying drawings 1-10
In the first embodiment, as shown in fig. 1-4, the present invention includes a car body 1, in order to achieve the function of facilitating ground walking, a left wheel mechanism 2 is disposed on the left side of the car body 1, a right wheel mechanism 3 is disposed on the right side of the car body 1, a steering mechanism 4 is disposed on the front lower end of the car body 1, the left wheel mechanism 2, the right wheel mechanism 3 and the steering mechanism 4 cooperate to form a limiting mechanism of the car body 1, in order to facilitate walking on a railway track, a right track wheel mechanism 5 is slidably connected to the right side of the lower end of the car body 1, a left track wheel mechanism 6 is slidably connected to the left side of the lower end of the car body 1, in order to achieve different states of automatically switching ground walking and railway walking, a switching mechanism 7 is fixedly connected to the lower end of the car body 1, the switching mechanism 7 includes a fixing plate 71 fixedly connected to the car body 1, a rocker 72 is rotatably connected to the middle of the fixed plate 71, a squeezing rod 73 is slidably connected to the left side of the rocker 72, the left end of the squeezing rod 73 is in contact with the fixed plate 71 and slides along the fixed plate 71, a squeezing spring 74 is sleeved on the outer side of the squeezing rod 73, a top plate 75 is slidably sleeved on the outer side of the squeezing rod 73, one side of the top plate 75 is fixedly connected with the squeezing spring 74, the other side of the top plate 75 is in contact with the rocker 72, a switching push block 76 is slidably connected to the right side of the rocker 72, a switching shaft 77 is slidably connected to the right side of the switching push block 76, a driving shaft 78 is slidably connected to the middle of the switching shaft 77, a part of the driving shaft 78 matching with the switching shaft 77 is in an elliptical column shape, the rest is in a cylindrical shape, the driving shaft 78 is rotatably connected with the vehicle body 1, an expanding driving wheel 79 is rotatably sleeved on the front side of the driving shaft 78, and a lifting driving wheel 80 is rotatably sleeved on the rear side of the driving shaft 78, when the driving shaft 78 rotates, the expanding driving wheel 79 and the lifting driving wheel 80 are not driven to rotate, the driving shaft 78 only plays a role of supporting the expanding driving wheel 79 and the lifting driving wheel 80, the lower end of the lifting driving wheel 80 is meshed with a lifting main belt wheel 81 which is rotatably connected with the vehicle body 1, when the driving shaft 78 rotates, when the switching shaft 77 is meshed with the expanding driving wheel 79, the driving shaft 78 enables the expanding driving wheel 79 to rotate through the switching shaft 77, when the expanding driving wheel 79 is blocked, the switching shaft 77 continues to rotate and can receive backward thrust, at the same time, the switching shaft 77 and the switching push block 76 synchronously move backward, the switching push block 76 enables the rocker 72 to rotate, when the rocker 72 rotates, the extrusion spring 74 is stressed to contract, when the rocker 72 rotates to pass through a midpoint, the left side of the extrusion rod 73 rapidly slides to a rear side limit position along the fixed plate 71 when the extrusion spring 74 returns to the original state, at the same time, the switching shaft 78 is meshed with the lifting driving wheel 80, left wheel mechanism 2, right wheel mechanism 3 and switching mechanism 7 mutually support and form the limit structure of 1 height of automobile body, in order to reach the purpose of being convenient for drive, seat 8 of upper end fixedly connected with of automobile body 1, in order to reach the purpose of placing repair tools, the lower extreme sliding connection of seat 8 has a plurality of storage tanks 9, can place the instrument that is used for repairing the rail in the storage tank 9, can repair the very first time when discovering the rail has the potential safety hazard, in order to reach the function of being convenient for observe the condition of detecting a flaw, 10 is observed to 10 a observation screen of upper end fixedly connected with of automobile body 1, and 10 is ordinary LCD of observation screen can choose different models for use according to actual demand.
In the second embodiment, on the basis of the first embodiment, as shown in fig. 1, 2, 5 and 6, in order to achieve the purpose of driving on the ground and facilitating driving to the upper end of a railway track, the left wheel mechanism 2 includes two wheel frames 21 which are symmetrical front and back, the right side of each wheel frame 21 is rotatably connected with a plurality of lifting arms 22, the right side of each lifting arm 22 is rotatably connected with the car body 1, the left side of the car body 1 is rotatably connected with two lifting worms 23, each lifting worm 23 is engaged with the corresponding lifting arm 22, the position of each lifting arm 22 corresponding to the lifting worm 23 is a worm gear structure, a linkage belt 24 is sleeved between the two lifting worms 23, the linkage belt 24 is sleeved tightly without slipping when in use, the two lifting worms 23 are simultaneously rotated through the linkage belt 24, the lifting arms 22 are rotated at this time, the height of the wheel frames 21 is changed, each left side of the wheel frame 21 is rotatably connected with a movable wheel 25, the middle 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 the corresponding movable wheel 25, the middle 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 transmission belt 32 is sleeved between each driving sprocket 29 and the transmission shaft 31, the transmission belt 32 is tightly sleeved, and no slipping occurs during use, when in use, the transmission shaft 31 rotates to enable each driving sprocket 29 to rotate through the transmission belt 32, at the moment, the driving sprockets 29 rotate through the transmission chain 30, The driving chain wheel 28, the driven chain wheel 26 and the advancing chain 27 enable the moving wheel 25 to rotate, at the moment, the rotating direction of the transmission shaft 31 is changed, the front and back movement of the vehicle body 1 can be controlled, the right wheel mechanism 3 and the left wheel mechanism 2 are identical in structure and are arranged in bilateral symmetry, 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 on the front side of the vehicle body 1 and the lifting main belt wheel 81, when the lifting main belt wheel 81 rotates, each lifting worm 23 synchronously rotates through the lifting control belt 11 and each linkage belt 24, and the height change of the wheel frame 21 is controlled.
In a third embodiment, based on the first embodiment, as shown in fig. 1, 7 and 8, in order to achieve the purpose of normal traveling on the rail, the left rail wheel mechanism 6 includes two wheel brackets 53 that are symmetrical front and back, each wheel bracket 51 is slidably connected to the vehicle body 1, an ultrasonic detector 52 is fixedly connected between the two wheel brackets 51, the ultrasonic detector 52 is a conventional technology, when in use, a suitable type of equipment can be selected according to requirements, the ultrasonic detector 52 is not described herein, 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 away from the ultrasonic detector 52 is rotatably connected with a rail roller 53, the lower end of each wheel bracket 51 is rotatably connected with a traveling shaft 54, the lower end of each traveling shaft 54 is fixedly connected with a rubber wheel 55, the rubber wheels 55 can be tightly attached to the side surfaces of the rails, when the vehicle body 1 is on an ascending slope or a descending slope, the running speed can be guaranteed not to be affected by the fluctuation of the rails, and a good detection state is guaranteed, each running rod 56 is meshed with one running rod 56 on the right side of each running shaft 54, each running rod 56 is rotatably connected with the corresponding wheel support 51, the upper end of each wheel support 51 is rotatably connected with one extension rod 57, the extension rods 57 push the wheel supports 51 to slide along the vehicle body 1 during use, so that the rail idler wheels 53 are in contact with the rails, meanwhile, each rubber wheel 55 is also in contact with the rails respectively, the running rods 56 are rotated at the moment, the running rods 56 enable the rubber wheels 55 to rotate through the running shafts 54, at the moment, the vehicle body 1 can run on the upper ends of the rails, and the right rail mechanism and the left rail mechanism are identical in structure and are arranged in bilateral symmetry.
Fourth embodiment, on the basis of the second embodiment, as shown in fig. 1, 9 and 10, in order to achieve the purpose of controlling the direction when walking on the ground, the steering mechanism 4 includes a reversing spindle 41 rotatably connected to the vehicle body 1, two transmission sleeves 42 are slidably connected to the outer side of the reversing spindle 41 in a bilateral symmetry manner, one side of each transmission sleeve 42 away from the reversing spindle 41 is provided with an engaging disc 43, each engaging disc 43 is rotatably connected to the vehicle body 1, each transmission sleeve 42 is engageable with the corresponding engaging disc 43, each engaging disc 43 is engaged with the corresponding transmission shaft 31, one side of each transmission sleeve 42 away from the corresponding engaging disc 43 is provided with a return spring 44, a C-shaped rod 45 is provided behind the reversing spindle 41, the C-shaped rod 45 is rotatably connected to the vehicle body 1, the rear side of the C-shaped rod 45 is engaged with an adjusting shaft 46, the upper end of the adjusting shaft 46 is slidably connected with a handheld shaft 47, the handheld shaft 47 and the adjusting shaft 46 are rotatably connected with the vehicle body 1, the upper end of the handheld shaft 47 penetrates through the vehicle body 1, the upper end of the handheld shaft 47 is splayed, so that an operator can conveniently control with two hands, a driving motor 48 is arranged above the reversing spindle 41, the driving motor 48 is in the prior art, a motor with a proper model can be selected according to the situation in actual use, the description is omitted, the driving motor 48 is fixedly connected with the vehicle body 1, a rectangular belt 49 is sleeved between the right side of the driving motor 48 and the reversing spindle 41, the driving motor 48 drives the reversing spindle 41 to rotate through the rectangular belt 49 in use, meanwhile, the reversing spindle 41 enables each transmission shaft 31 to rotate through each transmission sleeve 42 and each meshing disc 43, when the handheld shaft 47 is rotated, the adjusting shaft 46 enables the C-shaped rod 45 to simultaneously rotate, when the C-shaped rod 45 rotates, the transmission sleeve 42 on one side is separated from the corresponding meshing disc 43, when the corresponding transmission shaft 31 stops rotating, and when the hand-held shaft 47 is released and pushed by the return spring 44, the transmission sleeve 42 is returned to contact with the corresponding engagement disc 43, and the corresponding transmission shaft 31 rotates.
Fifth embodiment, based on the third embodiment, as shown in fig. 3, 4 and 7, in order to achieve the purpose of facilitating the driving on the track, the lower end of the vehicle body 1 is rotatably connected with an expanding shaft 12, the front and rear sides of the expanding shaft 12 are respectively screw-engaged with an expanding slider 13, the front and rear sides of the expanding shaft 12 are screw-engaged in opposite directions, the front and rear sides of the expanding shaft 12 are fixed in opposite directions, each expanding slider 13 is slidably connected with the vehicle body 1, the lower end of each expanding slider 13 is rotatably connected with a corresponding expanding rod 57, the expanding driving wheel 79 is engaged with the expanding shaft 12, when in use, the expanding driving wheel 79 rotates the expanding shaft 12, at this time, the expanding slider 13 moves to push the expanding rod 57 to press the corresponding wheel bracket 51, the rear side of the driving shaft 78 is fixedly connected with a stepping motor 14, and the stepping motor 14 is the prior art, in actual use, an appropriate model can be selected according to requirements, and the stepping motor 14 is fixedly connected with the vehicle body 1 without being described in more detail.
Sixth embodiment, based on the third embodiment, as shown in fig. 1 and 7, in order to achieve the better purpose, two driving shafts 15 are rotatably connected to the lower end of the vehicle body 1, the left and right sides of each driving shaft 15 are slidably connected to the corresponding traveling rod 56, each traveling shaft 54 is in an elliptic cylindrical shape, and does not rotate relative to the corresponding driving shaft 15 in use, a toothed belt 16 is sleeved between the two driving shafts 15, a traveling motor 17 is fixedly connected to the lower end of the vehicle body 1, the traveling motor 17 is a conventional art, and a motor of an appropriate type can be selected according to circumstances in actual use, and not described herein too much, a driving belt 18 is sleeved between the right side of the traveling motor 17 and the driving shaft 15 at the rear side of the vehicle body 1, and the traveling motor 17 rotates the driving shaft 15 at the rear side of the vehicle body 1 through the driving belt 18 in use, and simultaneously rotates the two driving shafts 15 through the toothed belt 16, each travel rod 56 is now rotated in synchronism.
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, simultaneously, the reversing main shaft 41 enables each transmission shaft 31 to rotate through each transmission sleeve 42 and each meshing disc 43, the transmission shaft 31 enables each transmission chain wheel 29 to rotate through a transmission belt 32, at the moment, the transmission chain wheel 29 enables a moving wheel 25 to rotate through a transmission chain 30, a driving chain wheel 28, a driven chain wheel 26 and a traveling chain 27, at the moment, the vehicle body 1 can be controlled to move back and forth by changing the rotating direction of the transmission shaft 31, when the traveling direction needs to be changed, a handheld shaft 47 is rotated, an adjusting shaft 46 enables a C-shaped rod 45 to rotate simultaneously, when the C-shaped rod 45 rotates, the transmission sleeve 42 on one side is separated from the corresponding meshing disc 43, 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, the direction of the vehicle body 1 is changed, when the vehicle runs to a proper position, the driving motor 48 is closed, 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 enables the extension driving wheel 79 to rotate through the switching shaft 77, at the moment, the extension sliding block 13 moves to push the extension rod 57 to extrude the corresponding wheel bracket 51, when the wheel bracket 51 slides to a limit position, the extension shaft 12 cannot rotate continuously, when the extension driving wheel 79 is blocked, the switching shaft 77 rotates continuously and is subjected to backward thrust, at the moment, the switching shaft 77 moves backward synchronously with the switching pushing block 76, the switching pushing block 76 enables the rocker 72 to rotate, when the rocker 72 rotates, the extrusion spring 74 is stressed to shrink, when the rocker 72 rotates to a midpoint, the left side of the extrusion rod 73 is restored to slide to a rear side limit position along the fixed plate 71 quickly, at the moment, the switching shaft 77 is meshed with the lifting driving wheel 80, 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, the height of the wheel carrier 21 is controlled to change, after the moving wheel 25 rises to a proper height, the stepping motor 14 is closed, the rail roller 53 is in contact with a rail, the ultrasonic detector 52 corresponds to the rail, then the traveling motor 17 is started, the traveling motor 17 enables the driving shaft 15 at the rear side of the vehicle body 1 to rotate through the driving belt 18, the two driving shafts 15 simultaneously rotate through the toothed belt 16, at the moment, each traveling rod 56 synchronously rotates, the traveling rod 56 enables the rubber wheel 55 to rotate through the traveling shaft 54, at the moment, the vehicle body 1 can travel at the upper end of the rail, after the detection is completed, the stepping motor 14 reversely rotates, the traveling motor 17 is closed, then the height of the wheel carrier 21 is reduced, and after the wheel carrier 21 descends to an extreme position, the lifting driving wheel 80 cannot rotate, at the moment, the switching shaft 77 is pressed by the rotating direction to slide forwards, the switching shaft 77 and the switching push block 76 synchronously move forwards, the switching push block 76 enables the rocker 72 to rotate, the extrusion spring 74 is stressed to contract when the rocker 72 rotates, the extrusion spring 74 recovers after the rocker 72 rotates over the midpoint, at the moment, the left side of the extrusion rod 73 rapidly slides to the front side limit position along the fixed plate 71, at the moment, the lengthening driving wheel 79 rotates, the right track wheel mechanism 5 and the left track wheel mechanism 6 slide to the middle part, the stepping motor 14 is closed after the right track wheel mechanism 5 and the left track wheel mechanism 6 slide to the proper position, and then the driving motor 48 is started to drive the vehicle body 1 to the proper position.
The invention has novel structure, ingenious conception and simple and convenient operation, effectively achieves the aim of conveniently driving on the ground through the design, optimizes the function of driving on the upper end of the track, newly adds different states of automatically switching ground walking and track walking, achieves the aim of conveniently driving, increases the function of a mode-repairable tool and optimizes the driving stability.
Finally, it should be noted that: 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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
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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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| Application Number | Priority Date | Filing Date | Title |
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| CN202111560863.0A CN114056359B (en) | 2021-12-20 | 2021-12-20 | Rail flaw detection mechanism |
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| CN114056359A true CN114056359A (en) | 2022-02-18 |
| CN114056359B CN114056359B (en) | 2023-08-25 |
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| CN114056359B (en) | 2023-08-25 |
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