CN117824466A - Railway bearing clearance detection device and detection method - Google Patents
Railway bearing clearance detection device and detection method Download PDFInfo
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- CN117824466A CN117824466A CN202410233189.2A CN202410233189A CN117824466A CN 117824466 A CN117824466 A CN 117824466A CN 202410233189 A CN202410233189 A CN 202410233189A CN 117824466 A CN117824466 A CN 117824466A
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Abstract
The invention relates to the technical field of railway bearing detection, and particularly discloses a railway bearing clearance detection device and a detection method, wherein the detection method comprises the following steps: the device comprises a box shell, an installation frame, a controller, a mounting rack, a lifter, a measuring mechanism and a bearing workpiece mechanism; the mounting frame is mounted at the top end of the front side of the box body shell; the controller is arranged on the left side of the mounting frame; the mounting frame is fixedly arranged on the rear side of the top of the mounting frame; the lifter is arranged on the front side of the mounting frame along the up-down direction, and is electrically connected with the controller; the measuring mechanism is arranged at the bottom of the lifting end of the lifter; the bearing workpiece mechanism is arranged at the bottom of the front side of the box body shell. According to the invention, for the clearance detection of the large-scale railway bearing workpiece, the automatic mode is adopted to simulate and replace manual operation to measure, the bearing workpiece is matched to move, the measurement efficiency is improved, the error caused by manual operation intervention is reduced, and the measurement accuracy and reliability are ensured.
Description
Technical Field
The invention relates to the technical field of railway bearing detection, in particular to a railway bearing clearance detection device and a railway bearing clearance detection method.
Background
Railway bearings are generally classified into two types of rolling bearings and sliding bearings, the rolling bearings are composed of balls, rollers or needles, friction is reduced by rolling, the sliding bearings utilize a lubricating oil film to reduce friction, the railway bearings enable smooth rotation of a wheel shaft by reducing friction and supporting axle weight, they have excellent wear resistance and corrosion resistance, and since the railway bearings need to consider the requirement of long-time high-speed operation, proper bearing play is required to be determined according to specific use conditions and requirements during design and assembly, the bearing play refers to a gap or clearance inside the bearings, certain gaps may exist between parts inside the bearings during assembly and operation of the bearings due to various reasons, the size of the bearing play directly influences the operation performance and service life of the bearings, excessive loosening, vibration, noise and other problems may occur if the play is too large, otherwise excessive tightening, heating, damage and other problems may occur if the play is too small.
In the prior art, because the railway bearing body is large in work volume, the process of manually measuring the clearance can be complex, an operator is required to have certain technical experience and expertise, the manual measurement has certain limitation on accuracy, the bearing work piece is inconvenient to move, more time and labor investment can be needed for summarizing the clearance measurement process, and the time cost of installation and detection is increased.
Disclosure of Invention
The invention aims to provide a railway bearing clearance detection device and a detection method, which are used for solving the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a railway bearing play detection device comprising: the device comprises a box body shell, a mounting frame, a controller, a supporting frame, a lifter, a measuring mechanism and a bearing workpiece mechanism; the mounting frame is mounted at the top end of the front side of the box body shell; the controller is arranged on the left side of the mounting frame and is electrically connected with the box body shell; the support frame is fixedly arranged at the rear side of the top of the mounting frame; the lifter is arranged on the front side of the supporting frame along the up-down direction, and is electrically connected with the controller; the measuring mechanism is arranged at the bottom of the lifting end of the lifter; the bearing workpiece mechanism is arranged at the bottom of the front side of the box body shell; the measuring mechanism comprises a measuring component and a clamping component, and the clamping component is arranged on the outer wall of the measuring component; the bearing workpiece mechanism comprises a driving assembly and two fixing assemblies, wherein the two fixing assemblies are oppositely arranged on the inner side of the driving assembly.
Preferably, the measuring assembly includes: the device comprises a frame body, a clamping sheave, a ring gear, a first motor, a gear set, a mounting bottom plate, a first electric telescopic rod and a storage machine; the frame body is fixedly arranged at the bottom of the lifting end of the lifter; the number of the clamping grooved wheels is two, the number of each clamping grooved wheel is four, and the two clamping grooved wheels are respectively arranged at four corners of the front side and the rear side of the frame body; the annular grooved wheels are clamped at the inner sides of the front group of clamping grooved wheels and the rear group of clamping grooved wheels; the ring gear is circumferentially arranged at the outer end of the rear side of the clamping groove wheel; the first motor is fixedly arranged at the center of the bottom end of the frame body, and is electrically connected with the controller; one side gear of the gear set is fixedly connected to the rotating end of the first motor, and the other side gear of the gear set is rotatably connected to the rear side of the frame body through a pin shaft and meshed with the ring gear; the mounting bottom plate is arranged at the bottom of the inner side of the annular grooved wheel; the first electric telescopic rod is fixedly arranged at the bottom center position of the mounting bottom plate along the up-down direction, the telescopic end of the first electric telescopic rod extends out of the upper surface of the mounting bottom plate, and the first electric telescopic rod is electrically connected with the controller; the storage machine is fixedly arranged at the top of the telescopic end of the first electric telescopic rod, and the storage machine is electrically connected with the controller.
Preferably, the clamping assembly comprises: the device comprises a fixed seat, a lifting seat, a second electric telescopic rod, a first groove body shell, a guide rail seat, a sliding block, a third electric telescopic rod, a spring, a fixed frame, a second motor, a rotating arm, a third motor, a clamp holder and a sensor; the number of the fixing seats is two, and the two fixing seats are respectively and fixedly arranged at the top parts of the front side and the rear side of the annular grooved wheel; the number of the lifting seats is two, and the two lifting seats are respectively inserted into the bottoms of the front fixing seat and the rear fixing seat; the number of the second electric telescopic rods is two, the two second electric telescopic rods are respectively arranged at the tops of the front fixing seat and the rear fixing seat, the telescopic ends of the front and the rear second electric telescopic rods extend out of the lower surfaces of the fixing seats and are fixedly connected with the tops of the two lifting seats, and the second electric telescopic rods are electrically connected with the controller; the first groove body shell passes through the top of the inner cavity of the annular grooved wheel along the front-back direction, and the front side and the back side of the top end of the first groove body shell are fixedly connected with the bottoms of the front lifting seat and the back lifting seat respectively; the guide rail seat is arranged at the top of the inner cavity of the first groove body shell along the front-back direction; the sliding block is sleeved outside the guide rail seat; the third electric telescopic rod is arranged at the front side of the bottom end of the guide rail seat along the front-back direction through a bracket, and is electrically connected with the controller; one end of the spring is fixedly connected to the rear side of the telescopic end of the third electric telescopic rod, and the other end of the spring is fixedly connected with the front side of the sliding block; the fixed mount is fixedly arranged at the bottom of the sliding block; the second motor is fixedly arranged at the rear side of the fixing frame, the rotating end of the second motor extends out of the front side of the fixing frame, and the second motor is electrically connected with the controller; one end of the rotating arm is fixedly connected to the front side of the rotating end of the second motor; the third motor is fixedly arranged at the rear side of the other end of the rotating arm, the rotating end of the third motor extends out of the front side of the rotating arm, and the third motor is electrically connected with the controller; the clamp holder is arranged at the front side of the rotating end of the third motor, and the clamp holder is electrically connected with the controller; the sensor is fixedly arranged at the bottom end of the rear side of the guide rail seat, and the sensor is electrically connected with the controller.
Preferably, the driving assembly includes: the device comprises a mounting frame, a moving platform, a rotating platform, a second groove body shell, a sliding rail assembly, a fourth motor, a double-end screw rod assembly, a roller seat, a box body and a rotating platform; the mounting frame is fixedly arranged at the bottom of the front side of the box body shell along the up-down direction; the mobile platform is arranged at the front side of the bottom of the mounting frame along the front-back direction and is electrically connected with the controller; the rotating platform is arranged at the top of the moving end of the moving platform and is electrically connected with the controller; the second tank body shell is arranged at the top of the rotating end of the rotating platform along the left-right direction; the number of the sliding rail assemblies is two, and the two sliding rail assemblies are respectively arranged outside openings at the left side and the right side of the top of the second groove body shell; the fourth motor is fixedly arranged on the right side of the second groove body shell, the rotating end of the fourth motor extends into the inner side of the second groove body shell, and the fourth motor is electrically connected with the controller; the screw rod of the double-end screw rod assembly is fixedly arranged at the rotating end of the fourth motor along the left-right direction; the number of the roller seats is two, and the two roller seats are respectively arranged at the left side and the right side of the middle part of the top end of the second groove body shell; the number of the box bodies is two, the two box bodies are respectively arranged at the tops of the sliding blocks of the left sliding rail component and the right sliding rail component, and the bottom ends of the left box body and the right box body are respectively connected with screw nuts on the left side and the right side of the double-end screw component; the number of the rotary platforms is two, the two rotary platforms are respectively arranged at the top ends in the left box body and the right box body, and the rotary platforms are electrically connected with the controller.
Preferably, the fixing assembly includes: the device comprises a fixed plate, a rotating shaft seat, a limiting rod, a clamping seat, a connecting rod and a fourth electric telescopic rod; the fixed plate is fixedly arranged on the inner side of the rotating end of the rotating platform along the up-down direction; the number of the rotating shaft seats is two, and the two rotating shaft seats are respectively arranged at the front end and the rear end of the inner side of the fixed plate; the number of the limiting rods is two, and one ends of the two limiting rods are fixedly connected to the upper side and the lower side of the outer wall of the front rotating shaft seat and the rear rotating shaft seat respectively; the number of the clamping seats is two, and the two clamping seats are respectively and fixedly connected to the outer sides of the front limiting rod and the rear limiting rod along the up-down direction; the two connecting rods are fixedly connected to the bottoms and the tops of the outer walls of the front rotating shaft seat and the rear rotating shaft seat respectively along the up-down direction, and one ends of the two connecting rods are fixedly connected with the outer sides of the front clamping seat and the rear clamping seat respectively; the number of the fourth electric telescopic rods is two, one end of each fourth electric telescopic rod is respectively connected with the upper end and the lower end of the outer side of the fixing plate through a pin shaft seat in a rotating mode, the other ends of the two fourth electric telescopic rods are respectively connected with the other ends of the two connecting rods through pin shafts in a rotating mode, and the fourth electric telescopic rods are electrically connected with the controller.
Preferably, the shape of the connecting rod is omega-shaped.
Compared with the prior art, the invention has the beneficial effects that:
1. the two-end screw rod assembly is driven by the fourth motor to enable the two side boxes to move inwards to the left side and the right side of the bearing workpiece, the upper and lower fourth electric telescopic rods in the left side and the right side fixing assembly are driven by extension to drive the connecting rods at corresponding positions, the rotating shafts inside the rotating shaft seat are driven by the connecting rods to drive the limiting rods to rotate inwards, the clamping seats at corresponding positions are driven by the connecting rods and the limiting rods to move inwards to be attached to the front and the rear sides of the outer wall of the bearing workpiece, and the moving platform drives the rotating platform to drive the second groove body shell to move the bearing workpiece to the lower portion of the installation frame.
2. Through elevator drive measuring mechanism decline, the holder is moved to appointed position from top to bottom in fixing base inside to the elevating seat in fixing base drive corresponding position, second motor drive rotor arm rotates, third motor drive holder rotates, first electric telescopic handle extension drive storage machine upwards moves, the inside chuck of accomodating of storage machine drive drives appointed numerical value clearance gauge and rotates to holder below appointed position department, the holder carries out the centre gripping to accomodating the inside clearance gauge of machine, second motor and third motor drive rotor arm and holder rotate to horizontal direction position department, third electric telescopic handle drive spring makes slider drive below holder backward side remove, holder drive clearance gauge parallel insertion bearing inner circle and outer lane between, first motor drive ring gear rotates under the transmission of gear train, ring gear drive ring sheave rotates in the inboard intermittent type clockwise or anticlockwise direction of calorie sheave, make the inside holder of ring sheave drive clearance gauge in the inside arc of bearing work piece clearance.
In summary, the invention can simulate the clearance detection of the large-scale railway bearing workpiece in an automatic mode to replace manual measurement, and make the bearing workpiece move in a matched manner, thereby improving the measurement efficiency, reducing errors caused by manual operation intervention and ensuring the measurement accuracy and reliability.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic view of the measuring mechanism of fig. 1.
Fig. 3 is an enlarged view at a of fig. 2.
Fig. 4 is a schematic view of the bearing workpiece mechanism of fig. 1.
Fig. 5 is an enlarged view at B of fig. 4.
In the figure: 1. a case housing; 2. a mounting frame; 3. a controller; 4. a support frame; 5. a lifter; 6. a measuring mechanism; 60. a measurement assembly; 61. a frame; 62. a card sheave; 63. an annular sheave; 64. a ring gear; 65. a first motor; 66. a gear set; 67. a mounting base plate; 68. a first electric telescopic rod; 69. a storage machine; 80. a clamping assembly; 610. a fixing seat; 611. a lifting seat; 612. a second electric telescopic rod; 613. a first tank housing; 614. a guide rail seat; 615. a slide block; 616. a third electric telescopic rod; 617. a spring; 618. a fixing frame; 619. a second motor; 620. a rotating arm; 621. a third motor; 622. a holder; 623. a sensor; 7. a bearing workpiece mechanism; 70. a drive assembly; 71. a mounting frame; 72. a mobile platform; 73. rotating the platform; 74. a second tank housing; 75. a slide rail assembly; 76. a fourth motor; 77. a double-ended lead screw assembly; 78. a roller seat; 79. a case; 710. rotating the platform; 90. a fixing assembly; 711. a fixing plate; 712. a rotating shaft seat; 713. a limit rod; 714. a clamping seat; 715. a connecting rod; 716. and a fourth electric telescopic rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides a technical solution: a railway bearing play detection device comprising: the device comprises a box body shell 1, a mounting frame 2, a controller 3, a supporting frame 4, a lifter 5, a measuring mechanism 6 and a bearing workpiece mechanism 7; the mounting frame 2 is mounted at the front top end of the box body shell 1; the controller 3 is arranged on the left side of the mounting frame 2, the controller 3 is electrically connected with the box body shell 1, and the controller 3 can be controlled manually by a worker or by an internal preset program; the support frame 4 is fixedly arranged at the rear side of the top of the mounting frame 2; the lifter 5 is arranged at the front side of the supporting frame 4 along the up-down direction, the lifter 5 is electrically connected with the controller 3, and the lifter 5 is controlled by the controller 3 to drive the measuring mechanism 6 to lift to a specified height position; the measuring mechanism 6 is arranged at the bottom of the lifting end of the lifter 5; the bearing workpiece mechanism 7 is arranged at the bottom of the front side of the box body shell 1; the measuring mechanism 6 comprises a measuring assembly 60 and a clamping assembly 80, the clamping assembly 80 being arranged on the outer wall of the measuring assembly 60; the bearing work piece mechanism 7 includes a driving assembly 70 and two fixing assemblies 90, and the two fixing assemblies 90 are disposed opposite to each other inside the driving assembly 70.
Preferably, as shown in fig. 2 and 3, the measuring assembly 60 further includes: a frame 61, a snap sheave 62, a ring sheave 63, a ring gear 64, a first motor 65, a gear set 66, a mounting base 67, a first electric telescopic rod 68, and a storage machine 69; the clamping assembly 80 includes: the lifting device comprises a fixed seat 610, a lifting seat 611, a second electric telescopic rod 612, a first groove body housing 613, a guide rail seat 614, a sliding block 615, a third electric telescopic rod 616, a spring 617, a fixed frame 618, a second motor 619, a rotating arm 620, a third motor 621, a clamp 622 and a sensor 623; the frame 61 is fixedly arranged at the bottom of the lifting end of the lifter 5; the number of the card grooved wheels 62 is two, the number of each group of the card grooved wheels 62 is four, and the two groups of the card grooved wheels 62 are respectively arranged at four corners of the front side and the rear side of the frame body 61; the annular grooved wheels 63 are clamped on the inner sides of the front and rear groups of clamping grooved wheels 62, and the annular grooved wheels 63 can rotate on the inner axes of the front and rear groups of clamping grooved wheels 62; the ring gear 64 is circumferentially provided at the rear outer end of the click sheave 62; the first motor 65 is fixedly arranged at the bottom center of the frame 61, the first motor 65 is electrically connected with the controller 3, and the first motor 65 is controlled by the controller 3 to drive a gear at one side of the gear set 66 to rotate clockwise or anticlockwise; one side gear of the gear set 66 is fixedly connected to the rotating end of the first motor 65, the other side gear of the gear set 66 is rotatably connected to the rear side of the frame 61 through a pin shaft and meshed with the ring gear 64, and the gear set 66 adopts the meshing arrangement of the gears on the upper side and the lower side to play a role in transmission between the first motor 65 and the ring gear 64; the mounting baseplate 67 is mounted at the inboard bottom of the annular sheave 63; the first electric telescopic rod 68 is fixedly arranged at the bottom center position of the mounting bottom plate 67 along the up-down direction, the telescopic end of the first electric telescopic rod 68 extends out of the upper surface of the mounting bottom plate 67, the first electric telescopic rod 68 is electrically connected with the controller 3, and the first electric telescopic rod 68 is controlled by the controller 3 and can drive the storage machine 69 to lift to a specified height position through self-stretching and shortening; the storage machine 69 is fixedly arranged at the top of the telescopic end of the first electric telescopic rod 68, the storage machine 69 is electrically connected with the controller 3, a plurality of feelers with different numerical values can be stored in the storage machine 69, and the storage machine 69 is controlled by the controller 3 to drive the internal storage disc to drive the feelers with different numerical values to rotate to a designated position; the number of the fixed seats 610 is two, and the two fixed seats 610 are respectively and fixedly arranged at the top parts of the front side and the rear side of the annular grooved wheel 63; the number of the lifting seats 611 is two, and the two lifting seats 611 are respectively inserted into the bottoms of the front fixing seat 610 and the rear fixing seat 610; the number of the second electric telescopic rods 612 is two, the two second electric telescopic rods 612 are respectively arranged at the top parts of the front fixing seat 610 and the rear fixing seat 610, the telescopic ends of the front and rear second electric telescopic rods 612 extend out of the lower surfaces of the fixing seats 610 and are fixedly connected with the tops of the two lifting seats 611, the second electric telescopic rods 612 are electrically connected with the controller 3, and the controller 3 controls the extension and shortening of the second electric telescopic rods 612 to drive the lifting seats 611 to move up and down; the first groove body housing 613 passes through the top of the inner cavity of the annular grooved wheel 63 along the front-back direction, and the front side and the back side of the top end of the first groove body housing 613 are respectively and fixedly connected with the bottoms of the front lifting seat 611 and the back lifting seat 611; the guide rail seat 614 is provided on the top of the inner cavity of the first housing 613 in the front-rear direction; the sliding block 615 is sleeved outside the guide rail seat 614; the third electric telescopic rod 616 is arranged at the front side of the bottom end of the guide rail seat 614 along the front-back direction through a bracket, the third electric telescopic rod 616 is electrically connected with the controller 3, and the third electric telescopic rod 616 is controlled to extend and shorten by the controller 3 so as to drive the lifting seat 611 to move up and down; one end of a spring 617 is fixedly connected to the rear side of the telescopic end of the third electric telescopic rod 616, and the other end of the spring 617 is fixedly connected with the front side of the sliding block 615; the fixed frame 618 is fixedly arranged at the bottom of the sliding block 615; the second motor 619 is fixedly installed at the rear side of the fixing frame 618, the rotating end of the second motor 619 extends out of the front side of the fixing frame 618, the second motor 619 is electrically connected with the controller 3, and the controller 3 controls the rotating arm 620 to rotate clockwise or anticlockwise; one end of the rotating arm 620 is fixedly connected to the front side of the rotating end of the second motor 619; the third motor 621 is fixedly installed at the rear side of the other end of the rotating arm 620, the rotating end of the third motor 621 extends out of the front side of the rotating arm 620, the third motor 621 is electrically connected with the controller 3, and the controller 3 controls the third motor 621 to drive the clamp holder 622 to rotate clockwise or anticlockwise; the gripper 622 is arranged at the front side of the rotating end of the third motor 621, the gripper 622 is electrically connected with the controller 3, and the controller 3 controls and drives the gripper 622 to rotate clockwise or anticlockwise; the sensor 623 is fixedly installed at the bottom end of the rear side of the guide rail seat 614, the sensor 623 is electrically connected with the controller 3, and the sensor 623 is controlled by the controller 3 to judge according to the moving state of the slider 615 during the insertion of the feeler gauge.
Preferably, as shown in fig. 4 and 5, the driving assembly 70 further includes: the device comprises a mounting frame 71, a moving platform 72, a rotating platform 73, a second groove body shell 74, a sliding rail assembly 75, a fourth motor 76, a double-end screw assembly 77, a roller seat 78, a box 79 and a rotating platform 710; the mounting frame 71 is fixedly mounted at the bottom of the front side of the case housing 1 in the up-down direction; the moving platform 72 is arranged at the front side of the bottom of the mounting frame 71 along the front-back direction, the moving platform 72 is electrically connected with the controller 3, and the controller 3 controls the moving platform 72 to drive the rotating platform 73 to move along the front-back direction; the rotating platform 73 is arranged at the top of the moving end of the moving platform 72, the rotating platform 73 is electrically connected with the controller 3, and the controller 3 controls the rotating platform 73 to drive the second groove shell 74 to rotate clockwise or anticlockwise; the second tank housing 74 is provided on the top of the rotating end of the rotating platform 73 in the left-right direction; the number of the sliding rail assemblies 75 is two, the two sliding rail assemblies 75 are respectively arranged outside openings at the left side and the right side of the top of the second groove body shell 74, the sliding rail assemblies 75 are fixedly arranged at the top of the second groove body shell 74 by adopting guide rails, and limit sliding blocks are sleeved outside the guide rails; the fourth motor 76 is fixedly installed on the right side of the second tank body shell 74, the rotating end of the fourth motor 76 extends into the inner side of the second tank body shell 74, the fourth motor 76 is electrically connected with the controller 3, and the controller 3 controls and drives the screw rod in the double-end screw rod assembly 77 to rotate clockwise or anticlockwise; the screw rods of the double-end screw rod assembly 77 are fixedly arranged at the rotating end of the fourth motor 76 along the left-right direction, the double-end screw rod assembly 77 adopts a structure that screw rods on the left side and the right side of the outside of the double-end positive and negative screw rod are in screw connection with screw rod nuts, and the screw rods in the double-end screw rod assembly 77 can drive the screw rod nuts on the two sides to drive the box 79 on the corresponding position to synchronously move inwards or outwards; the number of the roller seats 78 is two, the two roller seats 78 are respectively arranged on the left side and the right side of the middle part of the top end of the second groove body shell 74, and the roller seats 78 can support and limit the bottom of a bearing workpiece; the number of the two boxes 79 is two, the two boxes 79 are respectively arranged at the tops of the sliding blocks of the left and right sliding rail assemblies 75, and the bottom ends of the left and right boxes 79 are respectively connected with screw nuts on the left and right sides of the double-end screw assembly 77; the number of the rotary platforms 710 is two, the two rotary platforms 710 are respectively arranged at the top ends of the inner parts of the left and right box bodies 79, the rotary platforms 710 are electrically connected with the controller 3, and the rotary platforms 710 are controlled by the controller 3 to drive the fixed component to rotate clockwise or anticlockwise; the fixing assembly 90 includes: a fixed plate 711, a rotating shaft seat 712, a limiting rod 713, a clamping seat 714, a connecting rod 715 and a fourth electric telescopic rod 716; the fixing plate 711 is fixedly installed inside the rotating end of the rotating table 710 in the up-down direction; the number of the rotating shaft seats 712 is two, and the two rotating shaft seats 712 are respectively arranged at the front end and the rear end of the inner side of the fixed plate 711; the number of the limiting rods 713 is two, and one ends of the two limiting rods 713 are respectively fixedly connected to the upper side and the lower side of the outer wall of the front rotating shaft seat 712 and the rear rotating shaft seat 712; the number of the clamping seats 714 is two, and the two clamping seats 714 are fixedly connected to the outer sides of the front limiting rod 713 and the rear limiting rod 713 respectively along the up-down direction; the number of the connecting rods 715 is two, the two connecting rods 715 are fixedly connected to the bottoms and the tops of the outer walls of the front rotating shaft seat 712 and the rear rotating shaft seat 712 respectively along the up-down direction, one ends of the two connecting rods 715 are fixedly connected with the outer sides of the front clamping seat 714 and the rear clamping seat 714 respectively, the shape of the connecting rods 715 is omega-shaped, and the connecting rods 715 can drive the rotating shafts inside the rotating shaft seats 712 to rotate; the number of the fourth electric telescopic rods 716 is two, one end of each of the two fourth electric telescopic rods 716 is respectively connected with the upper end and the lower end of the outer side of the fixing plate 711 through a pin shaft seat in a rotating mode, the other ends of the two fourth electric telescopic rods 716 are respectively connected with the other ends of the two connecting rods 715 through pins in a rotating mode, the fourth electric telescopic rods 716 are electrically connected with the controller 3, and the controller 3 controls the fourth electric telescopic rods 716 to extend and shorten so as to drive the connecting rods 715 to move.
A method of detecting a backlash in a railway bearing, comprising the steps of:
step one: lifting the bearing to the inner sides of the left and right box bodies 79 by using external lifting equipment, so that the bottom of the bearing workpiece is attached to the inner parts of the roller seats 78 on the left and right sides;
step two: the fourth motor 76 drives the screw rod in the double-end screw rod assembly 77 to rotate, so that screw nuts on two sides in the double-end screw rod assembly 77 drive two side boxes 79 under the action of the rotation force of the screw rod, the two side boxes 79 move inwards to the left and right sides of the bearing workpiece under the limit action of the slide rail assembly 75, and the left and right side rotating platforms 710 drive the fixing assembly 90 on the corresponding positions to rotate to the specified angle positions, so that the front and rear side clamping seats 714 in the fixing assembly 90 are perpendicular to the front and rear side directions of the bearing workpiece;
step three: the upper and lower fourth electric telescopic rods 716 in the left and right side fixing assemblies 90 extend to drive the corresponding upper connecting rods 715, the connecting rods 715 drive the rotating shafts in the rotating shaft seats 712 to drive the limiting rods 713 to rotate inwards, and the connecting rods 715 and the limiting rods 713 drive the corresponding upper clamping seats 714 to move inwards to be attached to the front and rear sides of the outer walls of the bearing workpieces, so that the bearing workpieces are fixed;
step four: the moving platform 72 drives the rotating platform 73 to drive the second groove body shell 74 to move to the rear side, so that the second groove body shell 74 moves the bearing workpiece to the lower side of the installation frame 2 under the cooperation of the two side box bodies 79 and the fixing assembly 90;
step five: the lifter 5 drives the measuring mechanism 6 to descend to the front side position of the bearing workpiece, the fixed seat 610 stretches and shortens to drive the lifting seat 611 at the corresponding position to move up and down in the fixed seat 610, and the lifting seat 611 enables the clamp holder 622 to move to a designated position so that the position of the clamp holder 622 is matched with the diameter of the current bearing workpiece;
step six: the second motor 619 drives the rotating arm 620 to rotate to a vertical downward direction, the third motor 621 drives the clamp holder 622 to rotate to a vertical downward direction, the first electric telescopic rod 68 stretches and drives the storage machine 69 to move upwards, the storage machine 69 drives the internal storage chuck to drive the specified numerical value feeler to rotate to a specified position below the clamp holder 622, and the clamp holder 622 clamps and grabs the internal feeler of the storage machine 69;
step seven: the second motor 619 and the third motor 621 drive the rotating arm 620 and the clamp holder 622 to rotate to the horizontal direction, the third electric telescopic rod 616 drives the spring 617 to drive the slider 615 to drive the lower clamp holder 622 to move to the rear side, the clamp holder 622 drives the feeler gauge to be inserted between the inner ring and the outer ring of the bearing in parallel, the first motor 65 drives one side gear of the gear set 66 to rotate, the ring gear 64 is driven to intermittently rotate clockwise or anticlockwise under the transmission of the gear set 66, the ring grooved wheel 63 is driven to intermittently rotate clockwise or anticlockwise under the cooperation of the ring gear 64 at the inner side of the card grooved wheel 62, and the ring grooved wheel 63 drives the inner clamp holder 622 to drive the feeler gauge to move in an arc shape in the clearance of the bearing workpiece;
step eight: the sensor 623 judges according to the moving state of the slider 615 in the insertion process of the feeler, if the feeler is too tight or cannot be inserted, the bearing clearance is likely to be small, and if the feeler is easy to enter and has loose feeling, the bearing clearance is likely to be large, the current internal feeler is put back into the storage machine 69 under the cooperation of the second motor 619, the third motor 621 and the clamp holder 622, and after other numerical feelers in the storage machine 69 are grabbed again, the feeler is inserted into the bearing workpiece again until the numerical value of the feeler is adapted to the bearing workpiece clearance, so that data on one side of the bearing workpiece is obtained;
step nine: and the lifter 5 drives the measuring mechanism 6 to move upwards for resetting the bearing workpiece, the moving platform 72 drives the rotating platform 73 to drive the second groove body shell 74 to move to the front side position, the rotating platform 73 drives the second groove body shell 74 to drive the upper bearing workpiece to turn over for one hundred eighty degrees, the steps four to eight are repeated, data on the other side of the bearing workpiece are obtained, and the bearing play value is calculated according to a formula.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A railway bearing play detection device, characterized by comprising:
a case housing (1);
a mounting frame (2) mounted on the front top end of the box housing (1);
the controller (3) is arranged on the left side of the mounting frame (2), and the controller (3) is electrically connected with the box body shell (1);
the support frame (4) is fixedly arranged at the rear side of the top of the mounting frame (2);
the lifter (5) is arranged at the front side of the supporting frame (4) along the up-down direction, and the lifter (5) is electrically connected with the controller (3);
the measuring mechanism (6) is arranged at the bottom of the lifting end of the lifter (5);
the bearing workpiece mechanism (7) is arranged at the bottom of the front side of the box body shell (1);
the measuring mechanism (6) comprises a measuring assembly (60) and a clamping assembly (80), wherein the clamping assembly (80) is arranged on the outer wall of the measuring assembly (60);
the bearing workpiece mechanism (7) comprises a driving assembly (70) and two fixing assemblies (90), wherein the two fixing assemblies (90) are oppositely arranged on the inner side of the driving assembly (70).
2. A railway bearing play detection device according to claim 1, characterized in that the measuring assembly (60) comprises:
a frame body (61) fixedly arranged at the bottom of the lifting end of the lifter (5);
the number of the clamping sheaves (62) is two, the number of each clamping sheave (62) is four, and the two clamping sheaves (62) are respectively arranged at four corners of the front side and the rear side of the frame body (61);
the annular grooved wheels (63) are clamped on the inner sides of the front and rear groups of clamping grooved wheels (62);
a ring gear (64) circumferentially provided at the rear outer end of the click wheel (62);
the first motor (65) is fixedly arranged at the bottom center of the frame body (61), and the first motor (65) is electrically connected with the controller (3);
a gear set (66), wherein one side gear is fixedly connected to the rotating end of the first motor (65), and the other side gear of the gear set (66) is rotatably connected to the rear side of the frame body (61) through a pin shaft and meshed with the ring gear (64);
a mounting base plate (67) mounted on the inner bottom of the annular sheave (63);
the first electric telescopic rod (68) is fixedly arranged at the bottom center position of the mounting bottom plate (67) along the up-down direction, the telescopic end of the first electric telescopic rod (68) extends out of the upper surface of the mounting bottom plate (67), and the first electric telescopic rod (68) is electrically connected with the controller (3);
the storage machine (69) is fixedly arranged at the top of the telescopic end of the first electric telescopic rod (68), and the storage machine (69) is electrically connected with the controller (3).
3. A railway bearing play detection device according to claim 2, characterized in that the clamping assembly (80) comprises:
the number of the fixed seats (610) is two, and the two fixed seats (610) are respectively and fixedly arranged at the top parts of the front side and the rear side of the annular grooved wheel (63);
the lifting seats (611) are two in number, and the two lifting seats (611) are respectively inserted into the bottoms of the front fixing seat and the rear fixing seat (610);
the number of the second electric telescopic rods (612) is two, the two second electric telescopic rods (612) are respectively arranged at the tops of the front fixing seat (610) and the rear fixing seat (610), the telescopic ends of the front and rear second electric telescopic rods (612) extend out of the lower surfaces of the fixing seats (610) and are fixedly connected with the tops of the two lifting seats (611), and the second electric telescopic rods (612) are electrically connected with the controller (3);
the first groove body housing (613) penetrates through the top of the inner cavity of the annular groove wheel (63) along the front-back direction, and the front side and the back side of the top end of the first groove body housing (613) are fixedly connected with the bottoms of the front lifting seat and the back lifting seat (611) respectively;
a guide rail seat (614) arranged on the top of the inner cavity of the first tank body housing (613) along the front-back direction;
the sliding block (615) is sleeved outside the guide rail seat (614);
the third electric telescopic rod (616) is arranged at the front side of the bottom end of the guide rail seat (614) along the front-back direction through a bracket, and the third electric telescopic rod (616) is electrically connected with the controller (3);
one end of the spring (617) is fixedly connected to the rear side of the telescopic end of the third electric telescopic rod (616), and the other end of the spring (617) is fixedly connected with the front side of the sliding block (615);
the fixed mount (618) is fixedly arranged at the bottom of the sliding block (615);
the second motor (619) is fixedly arranged on the rear side of the fixing frame (618), the rotating end of the second motor (619) extends out of the front side of the fixing frame (618), and the second motor (619) is electrically connected with the controller (3);
a rotating arm (620), one end of which is fixedly connected to the front side of the rotating end of the second motor (619);
the third motor (621) is fixedly arranged at the rear side of the other end of the rotating arm (620), the rotating end of the third motor (621) extends out of the front side of the rotating arm (620), and the third motor (621) is electrically connected with the controller (3);
the clamp holder (622) is arranged at the front side of the rotating end of the third motor (621), and the clamp holder (622) is electrically connected with the controller (3);
the sensor (623) is fixedly arranged at the bottom end of the rear side of the guide rail seat (614), and the sensor (623) is electrically connected with the controller (3).
4. A railway bearing play detection device according to claim 3, characterized in that the drive assembly (70) comprises:
the mounting frame (71) is fixedly arranged at the bottom of the front side of the box body shell (1) along the up-down direction;
the movable platform (72) is arranged at the front side of the bottom of the mounting frame (71) along the front-back direction, and the movable platform (72) is electrically connected with the controller (3);
the rotating platform (73) is arranged at the top of the moving end of the moving platform (72), and the rotating platform (73) is electrically connected with the controller (3);
a second housing (74) provided at the top of the rotation end of the rotation platform (73) in the left-right direction;
the number of the sliding rail assemblies (75) is two, and the two sliding rail assemblies (75) are respectively arranged outside openings at the left side and the right side of the top of the second groove body shell (74);
the fourth motor (76) is fixedly arranged on the right side of the second groove body shell (74), the rotating end of the fourth motor (76) extends into the inner side of the second groove body shell (74), and the fourth motor (76) is electrically connected with the controller (3);
the double-end screw assembly (77), the screw rod of the double-end screw assembly (77) is fixedly arranged at the rotating end of the fourth motor (76) along the left-right direction;
the number of the roller seats (78) is two, and the two roller seats (78) are respectively arranged at the left side and the right side of the top middle part of the second groove body shell (74);
the two box bodies (79) are arranged, the two box bodies (79) are respectively arranged at the tops of the sliding blocks of the left sliding rail assembly and the right sliding rail assembly (75), and the bottom ends of the left box body and the right box body (79) are respectively connected with screw nuts on the left side and the right side of the double-end screw assembly (77);
the number of the rotating platforms (710) is two, the two rotating platforms (710) are respectively arranged at the top ends of the inner parts of the left box body and the right box body (79), and the rotating platforms (710) are electrically connected with the controller (3).
5. A railway bearing play detection apparatus as claimed in claim 4, characterized in that the fixing assembly (90) comprises:
a fixing plate (711) fixedly installed inside a rotating end of the rotating platform (710) in an up-down direction;
the number of the rotating shaft seats (712) is two, and the two rotating shaft seats (712) are respectively arranged at the front end and the rear end of the inner side of the fixed plate (711);
the limiting rods (713), wherein the number of the limiting rods (713) is two, and one ends of the two limiting rods (713) are respectively fixedly connected to the upper side and the lower side of the outer wall of the front rotating shaft seat (712) and the rear rotating shaft seat;
the clamping seats (714) are two in number, and the two clamping seats (714) are fixedly connected to the outer sides of the front limiting rod (713) and the rear limiting rod (713) along the up-down direction respectively;
the two connecting rods (715) are fixedly connected to the bottoms and the tops of the outer walls of the front rotating shaft seat (712) and the rear rotating shaft seat respectively along the up-down direction, and one ends of the two connecting rods (715) are fixedly connected to the outer sides of the front clamping seat (714) and the rear clamping seat (714) respectively;
the number of the fourth electric telescopic rods (716) is two, one end of each fourth electric telescopic rod (716) is respectively connected with the upper end and the lower end of the outer side of the fixing plate (711) through a pin shaft seat in a rotating mode, the other ends of the two fourth electric telescopic rods (716) are respectively connected with the other ends of the two connecting rods (715) through pin shafts in a rotating mode, and the fourth electric telescopic rods (716) are electrically connected with the controller (3).
6. The railway bearing play detection device according to claim 5, characterized in that the shape of the connecting rod (715) is omega-shaped.
7. A railway bearing play detection method applied to the railway bearing play detection device as claimed in claim 6, characterized by comprising the steps of:
step one: lifting the bearing to the inner sides of the left and right box bodies (79) by using external lifting equipment, so that the bottom of the bearing workpiece is attached to the inner parts of roller seats (78) at the left and right sides;
step two: the fourth motor (76) drives the screw rod in the double-end screw rod assembly (77) to rotate, so that screw nuts on two sides in the double-end screw rod assembly (77) drive two side box bodies (79) under the action of the rotation force of the screw rod, the two side box bodies (79) move inwards to the left side and the right side of a bearing workpiece under the limit action of the sliding rail assembly (75), and the left side and the right side rotating platforms (710) drive the fixing assembly (90) on the corresponding positions to rotate to a specified angle position, so that clamping seats (714) on the front side and the rear side in the fixing assembly (90) are perpendicular to the front side and the rear side of the bearing workpiece;
step three: the upper and lower fourth electric telescopic rods (716) in the left and right side fixing assemblies (90) stretch to drive the connecting rods (715) at corresponding positions, the connecting rods (715) drive the rotating shafts in the rotating shaft seats (712) to drive the limiting rods (713) to rotate inwards, and the connecting rods (715) and the limiting rods (713) drive the clamping seats (714) at the corresponding positions to move inwards to be attached to the front and rear sides of the outer wall of the bearing workpiece so as to fix the bearing workpiece;
step four: the moving platform (72) drives the rotating platform (73) to drive the second groove body shell (74) to move backwards, so that the second groove body shell (74) moves the bearing workpiece to the lower part of the mounting frame (2) under the cooperation of the two side box bodies (79) and the fixing assembly (90);
step five: the lifter (5) drives the measuring mechanism (6) to descend to the front side position of the bearing workpiece, the fixed seat (610) stretches, shortens and drives the lifting seat (611) at the corresponding position to move up and down in the fixed seat (610), and the lifting seat (611) enables the clamp holder (622) to move to a designated position so that the position of the clamp holder (622) is matched with the diameter of the current bearing workpiece;
step six: the second motor (619) drives the rotating arm (620) to rotate to a vertical downward direction, the third motor (621) drives the clamp holder (622) to rotate to the vertical downward direction, the first electric telescopic rod (68) stretches to drive the accommodating machine (69) to move upwards, the accommodating machine (69) drives the inner accommodating chuck to drive the specified numerical value plug gauge to rotate to a specified position below the clamp holder (622), and the clamp holder (622) clamps and grabs the internal plug gauge of the accommodating machine (69);
step seven: the second motor (619) and the third motor (621) drive the rotating arm (620) and the clamp holder (622) to rotate to the horizontal direction, the third electric telescopic rod (616) drives the spring (617) to drive the slider (615) to drive the lower clamp holder (622) to move to the rear side, the clamp holder (622) drives the feeler gauge to be inserted between the inner ring and the outer ring of the bearing in parallel, the first motor (65) drives one side gear of the gear set (66) to rotate, the ring gear (64) is driven to intermittently rotate clockwise or anticlockwise under the transmission of the gear set (66), the ring grooved wheel (63) is driven to intermittently rotate clockwise or anticlockwise under the cooperation of the ring gear (64) on the inner side of the clamping grooved wheel (62), and the ring grooved wheel (63) drives the inner clamp holder (622) to drive the feeler gauge to move in an arc shape in a gap of a bearing workpiece;
step eight: the sensor (623) judges according to the moving state of the sliding block (615) in the plug rule inserting process, if the plug rule is too tight or can not be inserted, the current internal plug rule is put back into the storage machine (69) under the cooperation of the second motor (619), the third motor (621) and the clamp holder (622), and after other numerical value plug rules in the storage machine (69) are grabbed again, the plug rule is inserted into the bearing workpiece again until the value of the plug rule is matched with the gap of the bearing workpiece, and one side data of the bearing workpiece is obtained;
step nine: and (3) driving the measuring mechanism (6) to move upwards for resetting on the bearing workpiece by the lifter (5), driving the rotating platform (73) to drive the second groove body shell (74) to move to the front side position by the moving platform (72), driving the second groove body shell (74) to drive the upper bearing workpiece to turn over one hundred and eighty degrees by the rotating platform (73), repeating the steps four to eight to obtain data on the other side of the bearing workpiece, and calculating the bearing play value according to a formula.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410233189.2A CN117824466B (en) | 2024-03-01 | 2024-03-01 | Railway bearing clearance detection device and detection method |
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| CN202410233189.2A CN117824466B (en) | 2024-03-01 | 2024-03-01 | Railway bearing clearance detection device and detection method |
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