CN116793236A - Gear cross bar distance detection equipment and detection method - Google Patents
Gear cross bar distance detection equipment and detection method Download PDFInfo
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Abstract
The invention discloses a gear cross bar distance detection device and a detection method, and relates to the technical field of involute gear detection. This gear strides excellent apart from check out test set includes the detection platform, be provided with positioning mechanism on the detection platform, be convenient for wait to detect placing and fixed of gear, prevent that the slip skew from appearing in the detection process gear, influence the accuracy of detection data, the detection platform upside is provided with detection mechanism, wherein under positioning mechanism's effect, be convenient for adjust fixed gear and remove to the detection mechanism downside right, under detection mechanism's effect, detect fixed gear implementation, special plane detection has effectively been solved, the drawback that the cost is too high, manual self-defining has very big uncertainty has been solved simultaneously, the drawback of error exists.
Description
Technical Field
The invention belongs to the technical field of involute gear detection, and particularly relates to a gear span bar distance detection device and a detection method.
Background
The gear is an indispensable important component in the transmission field, and the involute gear has the characteristics of high transmission precision, wide application range, capability of realizing transmission between any two shafts in spaces such as parallel shafts, intersecting shafts, staggered shafts and the like, reliable work, long service life, higher transmission efficiency and the like, so that the involute gear is widely applied to the fields of bicycles, automobiles, airplanes, trains, engineering machinery, automation equipment and the like, and provides reliable support for various mechanical transmissions.
During gear machining, various relevant data of the gear structure usually need to be strictly controlled, and the tooth flank meshing clearance is key data which we need to control, wherein consistency of single parts is controlled mainly through common normal or cross-bar distance measurement.
At present, the existing detection or measurement tool is generally strong in pertinence, mainly comprises a special machine or is used for detecting the span rod distance of a gear by means of manual self-definition, but the special machine is too high in cost and needs product quantity support, and meanwhile, the manual self-definition has large uncertainty and errors, so that the accuracy of detection data is affected.
In order to solve the problems, a gear span detection device and a detection method are designed.
Disclosure of Invention
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to gear span rod distance detection equipment which comprises a detection table, a positioning mechanism and a detection mechanism, wherein the positioning mechanism comprises a chute, the chute is arranged on the upper surface of the detection table, a first screw rod is arranged in the chute, a sliding block is arranged on the upper thread of the first screw rod, a support frame is fixed on the upper surface of the sliding block, a rotating rod is rotatably arranged in the support frame, the rotating rod is of a hollow structure, a plurality of through grooves are formed in the peripheral side surface of the rotating rod and communicated with an inner cavity of the rotating rod, a screw rod is rotatably arranged in the rotating rod, a movable plate is arranged on the upper thread of the screw rod, a supporting plate is movably arranged in the through grooves, a plurality of upper supporting arms are hinged between the upper side of the inner surface of the supporting plate and the lower surface of the movable plate, a lower supporting arm is hinged between the lower side of the inner surface of the supporting plate and the inner bottom surface of the through grooves, the upper supporting arms and the lower supporting arms are mutually matched through grooves, and a placing plate is fixed on the lower side of the outer surface of the rotating rod;
through dwang and place the board and be convenient for wait to detect placing of gear, wherein under the screw-thread fit of screw rod and fly leaf, be convenient for drive fly leaf downwardly moving, combine under the articulated effect at support arm and lower support arm both ends, and then extrude the backup pad outwards open until laminating with the gear hole, fix the gear, the stability of detecting process gear has been guaranteed, simultaneously under the screw-thread fit of first lead screw and slider, be convenient for adjust the gear after fixing and remove right, combine the running fit of dwang and support frame, be convenient for adjust the gear after fixing and rotate, and then adjust the position of tooth's socket, make things convenient for subsequent detection.
Preferably, the detection mechanism comprises a fixing frame, the fixing frame is of an L-shaped structure, the fixing frame is fixed on the rear surface of the detection table, a second screw rod is arranged on the rear side of the inside of the fixing frame, a movable block is arranged on the second screw rod in a threaded manner, a mounting frame is fixed at the front end of the movable block, a third screw rod is arranged in the mounting frame, two mounting blocks are arranged on the upper screw rod, a supporting rod is fixed on the lower surface of the mounting block, a detection rod is movably arranged on the lower side of the inside of the supporting rod, the detection rods are fixed on the supporting rod through bolts, a detection head is fixed at one ends, close to each other, of the front and rear detection rods, a pressure sensor is arranged at one end, close to the inner side, of the detection head, a dial is arranged on the right side surface of the mounting frame, a pointer is mutually matched with the dial through a connecting rod, the pointer is positioned on the same axis as the detection head, a second laser distance measuring instrument is arranged on the rear end face of the pointer, and is mutually matched with the pointer at the rear side;
in the above-mentioned structure, through the screw thread fit of second lead screw and movable block, be convenient for adjust the mounting bracket and move down, combine the screw thread fit of third lead screw and installation piece, be convenient for adjust the mutual being close to of two installation pieces, and then drive the direction that detects the head to the gear and be close to, wherein under pressure sensor's effect, be convenient for when adjusting the head and insert the tooth's socket inside, contact with tooth's socket inner wall, produce the extrusion, judge that the head inserts in place, combine the mutually supporting of pointer and calibrated scale to and the mutually supporting of second laser range finder and rear side pointer, obtain the detection data of gear span stick distance, make things convenient for staff's inspection.
Preferably, a fixed plate is fixed at the center of the lower surface of the mounting frame, an infrared emitter is mounted on the lower surface of the fixed plate, and an infrared receiver is mounted at the upper end of the rotating rod and is matched with the infrared emitter.
Preferably, the upper surface of the detection table is relatively fixed with two vertical plates, the front side and the rear side of the vertical plates, which are close to each other, are provided with first laser range finders, and the first laser range finders and the detection head are positioned on the same axis.
Preferably, the left side and the right side of the second screw rod are both fixed with fixed rods, the fixed rods penetrate through the movable blocks, and the movable blocks are in sliding fit with the fixed rods.
Preferably, a first motor is arranged on the right side of the detection table, and an output shaft of the first motor is connected with the right end of the first screw rod.
Preferably, the second motor is installed to the inside downside of support frame, second motor output shaft is connected with the dwang lower extreme, the inside downside of dwang is provided with the motor, the motor output shaft is connected with the screw rod lower extreme, the ring channel has been seted up to the support frame upper surface, place board lower surface fixation and have a plurality of arc pieces, with ring channel sliding fit, the screw rod both sides all are fixed with the gag lever post, the gag lever post runs through the fly leaf, just fly leaf and gag lever post sliding fit.
Preferably, a third motor is arranged on the rear side of the upper surface of the fixing frame, an output shaft of the third motor is connected with the upper end of the second screw rod, a fourth motor is arranged on the rear side inside the fixing frame, and an output shaft of the fourth motor is connected with the rear end of the third screw rod.
Preferably, a controller is installed on the right side of the front surface of the detection table, and a display screen is installed on the front surface of the fixing frame.
Preferably, limiting grooves are formed in the front surface and the rear surface of the inside of the sliding groove and the surfaces of the two sides of the inside of the mounting frame, and limiting blocks are fixed on the left surface and the right surface of the sliding block and the left surface and the right surface of the mounting block and are matched with the limiting grooves.
A detection method of gear cross bar distance detection equipment comprises the following steps:
step one: firstly, sleeving a gear to be detected on a rotating rod, placing the gear on a placing plate, simultaneously starting a motor to drive a screw rod to rotate, driving the movable plate to move downwards under the threaded fit of the screw rod and the movable plate, extruding a supporting plate to open outwards under the hinging action of the two ends of an upper supporting arm and a lower supporting arm until the supporting plate is attached to the inner hole of the gear, fixing the gear, and turning to the step two;
step two: starting a first motor to drive a first screw rod to rotate, driving a support frame to move rightwards under the threaded fit of the first screw rod and a sliding block, and further driving a fixed gear to move rightwards until an infrared receiver receives infrared rays emitted by an infrared emitter, stopping the operation of the first motor, and turning to the step III;
step three: starting the first laser range finders and the second motor, detecting the distance between the first laser range finders and the gear through the front and rear first laser range finders, simultaneously driving the rotating rod to rotate through the second motor in the running fit of the rotating rod and the support frame, further driving the fixed gear to rotate, detecting the distance change between the fixed gear and the gear through the front and rear first laser range finders in the gear rotation process until the distance detected by the front and rear first laser range finders reaches the maximum value, and when the distances are the same, judging that tooth grooves on the front and rear sides of the gear are aligned with the front and rear first laser range finders respectively, namely realizing that the tooth groove parts of the adjusting gear are positioned on the same axis with the detection head, stopping running of the second motor, and turning to the step four;
step four: starting a third motor, driving a second screw rod to rotate through the third motor, driving a mounting frame to move downwards under the threaded fit of the second screw rod and a movable block, driving a detection rod and a detection head to move downwards under the action of a support rod, shielding the first laser range finder when the detection rod moves downwards to be in the same straight line with the first laser range finder, so that the detection data of the first laser range finder changes, and at the moment, the detection head moves downwards to be aligned with a tooth slot, and stopping the third motor to operate, so that the step five is performed;
step five: starting a fourth motor, driving a third screw rod to rotate through the fourth motor, driving the two mounting blocks to be close to each other under the threaded fit of the third screw rod and the mounting blocks, combining a supporting rod and a detecting rod, driving the detecting head to move towards the inside of a tooth slot until a pressure sensor contacts with the inner wall of the tooth slot, receiving an extrusion signal, stopping the fourth motor, and turning to the step six;
step six: when two detection heads move to the tooth groove before and after adjusting, the movement of the pointer is driven, the dial is matched, the distance between the two front and rear pointers is viewed to be the span rod distance detected by the gear, and meanwhile, under the mutual matching of the second laser range finder and the rear pointer, the distance between the two pointers is measured and displayed through the display screen.
The invention has the following beneficial effects:
the gear to be detected is conveniently placed through the rotating rod and the placing plate, the movable plate is conveniently driven to move downwards under the threaded fit of the screw rod and the movable plate, the supporting plate is further extruded to be outwards opened under the hinging action of the two ends of the upper supporting arm and the lower supporting arm until the supporting plate is attached to the inner hole of the gear, the gear is fixed, the stability of the gear in the detection process is guaranteed, meanwhile, the gear after adjustment and fixation is conveniently moved rightwards under the threaded fit of the first screw rod and the sliding block, the gear after adjustment and fixation is conveniently rotated under the rotating fit of the rotating rod and the supporting frame, and the position of a tooth slot is conveniently adjusted;
simultaneously the screw thread cooperation of second lead screw and movable block, be convenient for adjust the mounting bracket and move down, combine the screw thread cooperation of third lead screw and installation piece, be convenient for adjust the mutual being close to of two installation pieces, and then drive the direction that detects the head to the gear and be close to, wherein under pressure sensor's effect, be convenient for when adjusting detect head and insert the tooth's socket inside, with tooth's socket inner wall contact, produce the extrusion, judge to detect the head and insert in place, combine the mutually supporting of pointer and calibrated scale, and the mutually supporting of second laser range finder and rear side pointer, obtain the detection data that the gear strides the stick apart from, make things convenient for staff's looking over.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of a gear span detection device according to the present invention;
FIG. 2 is a top view of a gear step detection apparatus of the present invention;
FIG. 3 is a schematic view of the structure of section A-A of FIG. 2;
FIG. 4 is a schematic view of the structure of section B-B in FIG. 3;
FIG. 5 is an enlarged schematic view of the structure of FIG. 3 at C;
FIG. 6 is an enlarged schematic view of the structure of FIG. 4 at D;
FIG. 7 is a schematic diagram of a gear span detection device according to the present invention;
FIG. 8 is an enlarged schematic view of the structure of FIG. 7 at E;
FIG. 9 is an enlarged schematic view of the structure shown at F in FIG. 7;
fig. 10 is a schematic view showing the outward opening structure of the support plate according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a detection table; 2. a positioning mechanism; 200. a chute; 201. a first screw rod; 202. a slide block; 203. a support frame; 204. a rotating lever; 205. a screw; 206. a movable plate; 207. an upper support arm; 208. a lower support arm; 209. a support plate; 210. a fixing plate; 211. an infrared emitter; 212. an infrared receiver; 213. a vertical plate; 214. a first laser rangefinder; 3. a detection mechanism; 300. a fixing frame; 301. a second screw rod; 302. a movable block; 303. a mounting frame; 304. a third screw rod; 305. a mounting block; 306. a support rod; 307. a detection rod; 308. a detection head; 309. a pressure sensor; 310. a dial; 311. a pointer; 312. a fixed rod; 215. a first motor; 216. a motor; 217. a second motor; 218. placing a plate; 313. a third motor; 314. a fourth motor; 315. a second laser rangefinder; 4. a controller; 5. and a display screen.
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.
In the description of the present invention, it should be understood that the terms "upper," "middle," "outer," "inner," and the like indicate an orientation or a positional relationship, and are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-10, a gear span detection device includes a detection table 1, a positioning mechanism 2 and a detection mechanism 3, wherein the positioning mechanism 2 includes a chute 200, the chute 200 is disposed on an upper surface of the detection table 1, a first screw rod 201 is disposed inside the chute 200, a sliding block 202 is disposed on the first screw rod 201 in a threaded manner, a support frame 203 is fixed on an upper surface of the sliding block 202, a rotating rod 204 is disposed inside the support frame 203 in a rotating manner, the rotating rod 204 is of a hollow structure, a plurality of through grooves are disposed on a peripheral surface of the rotating rod 204, the rotating rod 204 is communicated with an inner cavity of the rotating rod 204, a screw 205 is disposed inside the rotating rod 204 in a rotating manner, a movable plate 206 is disposed on the upper thread of the screw 205, a support plate 209 is movably disposed inside the through grooves, a plurality of upper support arms 207 are hinged between an upper side of an inner surface of the support plate 209 and a lower surface of the movable plate 206, a lower support arm 208 is hinged between an inner lower side of the support plate 209 and an inner bottom surface of the through grooves, the upper support arms 207 and the lower support arms 208 are all through grooves are mutually matched, and a placing plate 218 is fixed on a lower side of an outer surface of the rotating rod 204;
the gear to be detected is conveniently placed through the rotating rod 204 and the placing plate 218, the movable plate 206 is conveniently driven to move downwards under the threaded fit of the screw rod 205 and the movable plate 206, the support plates 209 are further extruded to be outwards opened under the hinging action of the two ends of the upper support arm 207 and the lower support arm 208 until the gear is attached to the inner holes of the gears, the stability of the gear in the detection process is guaranteed, the fixed gear is conveniently adjusted to move rightwards under the threaded fit of the first screw rod 201 and the sliding block 202, the rotating fit of the rotating rod 204 and the support frame 203 is combined, the fixed gear is conveniently adjusted to rotate, the position of a tooth slot is further adjusted, and the subsequent detection is convenient.
The detection mechanism 3 comprises a fixing frame 300, the fixing frame 300 is of an L-shaped structure, the fixing frame 300 is fixed on the rear surface of the detection table 1, a second screw rod 301 is arranged at the rear side of the inside of the fixing frame 300, a movable block 302 is arranged on the second screw rod 301 in a threaded manner, a mounting frame 303 is fixed at the front end of the movable block 302, a third screw rod 304 is arranged in the mounting frame 303, two mounting blocks 305 are arranged on the upper thread of the third screw rod 304, a supporting rod 306 is fixed on the lower surface of the mounting block 305, a detection rod 307 is movably arranged at the lower side of the inside of the supporting rod 306, the detection rod 307 is fixed on the supporting rod 306 through bolts, a detection head 308 is fixed at one end, close to the front and rear detection rods 307, a pressure sensor 309 is arranged at one end, close to the inner side, of the detection head 308 is provided with a dial 310, a pointer 311 is fixed on the supporting rod 306 through a connecting rod, the pointer 311 is mutually matched with the dial 310, the pointer 311 is positioned on the same axis as the detection head 308, a second laser distance meter 315 is arranged on the rear end face of the front pointer 311, and is mutually matched with the pointer 311 at the rear side;
in the above structure, through the screw thread cooperation of second lead screw 301 and movable block 302, be convenient for adjust mounting bracket 303 and move down, combine the screw thread cooperation of third lead screw 304 and installation piece 305, be convenient for adjust the mutual being close to of two installation pieces 305, and then drive detection head 308 and be close to the direction of gear, wherein under pressure sensor 309's effect, be convenient for when adjusting detection head 308 and inserting the tooth's socket inside, contact with the tooth's socket inner wall, produce the extrusion, judge that detection head 308 inserts in place, combine the mutually supporting of pointer 311 and calibrated scale 310, and the mutually supporting of second laser range finder 315 and rear side pointer 311, obtain the detection data of gear span bar distance, make things convenient for the staff's inspection.
A fixing plate 210 is fixed at the center of the lower surface of the mounting frame 303, an infrared emitter 211 is arranged on the lower surface of the fixing plate 210, an infrared receiver 212 is arranged at the upper end of the rotating rod 204, and the infrared receiver 212 is matched with the infrared emitter 211.
The upper surface of the detection table 1 is relatively fixed with two vertical plates 213, a first laser range finder 214 is installed on one surface of the front vertical plate 213 and the rear vertical plate 213, which are close to each other, and the first laser range finder 214 and the detection head 308 are located on the same axis.
Fixed rods 312 are fixed on the left side and the right side of the second screw rod 301, the fixed rods 312 penetrate through the movable blocks 302, and the movable blocks 302 are in sliding fit with the fixed rods 312.
The right side of the detection table 1 is provided with a first motor 215, and an output shaft of the first motor 215 is connected with the right end of the first screw rod 201.
The second motor 217 is installed to the inside downside of support frame 203, second motor 217 output shaft is connected with the dwang 204 lower extreme, the inside downside of dwang 204 is provided with motor 216, motor 216 output shaft is connected with screw rod 205 lower extreme, the ring channel has been seted up to the support frame 203 upper surface, place board 218 lower surface fixed with a plurality of arc pieces, with ring channel sliding fit, screw rod 205 both sides are fixed with the gag lever post, the gag lever post runs through fly leaf 206, and fly leaf 206 and gag lever post sliding fit.
The rear side of the upper surface of the fixing frame 300 is provided with a third motor 313, an output shaft of the third motor 313 is connected with the upper end of the second screw rod 301, a fourth motor 314 is installed on the rear side inside the fixing frame 303, and an output shaft of the fourth motor 314 is connected with the rear end of the third screw rod 304.
The right side of the front surface of the detection table 1 is provided with a controller 4, and the front surface of the fixing frame 300 is provided with a display screen 5.
Limiting grooves are formed in the front surface and the rear surface of the inside of the sliding groove 200 and the two side surfaces of the inside of the mounting frame 303, limiting blocks are fixed on the left surface and the right surface of the sliding block 202 and the left surface and the right surface of the mounting block 305, and the limiting blocks are matched with the limiting grooves.
A detection method of gear cross bar distance detection equipment comprises the following steps:
step one: firstly, a gear to be detected is sleeved on a rotating rod 204 and placed on a placing plate 218, a motor 216 is started at the same time to drive a screw rod 205 to rotate, the screw rod 205 is matched with threads of a movable plate 206 to drive the movable plate 206 to move downwards, a supporting plate 209 is extruded to open outwards under the hinging action of two ends of an upper supporting arm 207 and a lower supporting arm 208 until the supporting plate is attached to an inner hole of the gear, the gear is fixed, and the step II is carried out;
step two: starting a first motor 215, driving a first screw rod 201 to rotate, driving a supporting frame 203 to move rightwards under the threaded fit of the first screw rod 201 and a sliding block 202, and further driving a fixed gear to move rightwards until an infrared receiver 212 receives infrared rays emitted by an infrared emitter 211, stopping the operation of the first motor 215, and turning to a step III;
step three: starting a first laser range finder 214 and a second motor 217, detecting the distance between the first laser range finder 214 and the gear through a front first laser range finder 214 and a rear first laser range finder 214, simultaneously driving the rotating rod 204 to rotate through the second motor 217 in the running fit of the rotating rod 204 and the supporting frame 203, further driving the fixed gear to rotate, detecting the change of the distance between the first laser range finder 214 and the gear in the gear rotation process through the front first laser range finder 214 and the rear first laser range finder 214 until the distance between the first laser range finder 214 and the gear reaches the maximum value, and when the distances are the same, judging that tooth grooves on the front side and the rear side of the gear are aligned with the front first laser range finder 214 and the rear first laser range finder 214 respectively, namely realizing that the tooth groove part of the adjusting gear and the detection head 308 are positioned on the same axis, stopping the second motor 217 and turning into the fourth step;
step four: starting a third motor 313, driving the second screw rod 301 to rotate through the third motor 313, driving the mounting frame 303 to move downwards under the threaded fit of the second screw rod 301 and the movable block 302, driving the detection rod 307 and the detection head 308 to move downwards under the action of the support rod 306, shielding the first laser range finder 214 when the detection rod 307 moves downwards to be in the same straight line with the first laser range finder 214, causing the detection data of the first laser range finder 214 to change, and then moving the detection head 308 downwards to a position aligned with a tooth slot, stopping the operation of the third motor 313, and turning to step five;
step five: starting a fourth motor 314, driving a third screw rod 304 to rotate through the fourth motor 314, driving two mounting blocks 305 to be close to each other under the threaded fit of the third screw rod 304 and the mounting blocks 305, combining a support rod 306 and a detection rod 307, driving a detection head 308 to move towards the inside of a tooth slot until a pressure sensor 309 is in contact with the inner wall of the tooth slot, receiving an extrusion signal, stopping the fourth motor 314, and turning to step six;
step six: when the front and rear detection heads 308 are adjusted to move towards the inside of the tooth slot, the pointers 311 are driven to move, the dial 310 is matched, the distance between the front and rear two pointers 311 is viewed to be the span rod distance detected by the gear, and meanwhile, under the mutual matching of the second laser range finder 315 and the rear side pointer 311, the distance between the two pointers 311 is measured, and the S is displayed through the display screen 5.
Examples: when the gear span is detected, firstly, a gear to be detected is sleeved on the rotating rod 204 and placed on the placing plate 218, meanwhile, the motor 216 is started through the controller 4 to drive the screw 205 to rotate, the screw 205 is matched with the threads of the movable plate 206 to drive the movable plate 206 to move downwards, and under the hinging action of the two ends of the upper support arm 207 and the lower support arm 208, the supporting plate 209 is extruded to expand outwards until the gear is attached to the inner hole of the gear, so that the gear is fixed;
then, the first motor 215 is started to drive the first screw rod 201 to rotate, under the threaded fit of the first screw rod 201 and the sliding block 202, the supporting frame 203 is driven to move rightwards, and the fixed gear is further driven to move rightwards until the infrared receiver 212 receives infrared rays emitted by the infrared emitter 211, and transmits the signals to the controller 4, and the first motor 215 is turned off;
the first laser rangefinder 214 and the second motor 217 are started, the distance between the first laser rangefinder 214 and the gear is detected through the front first laser rangefinder 214 and the rear first laser rangefinder 214, meanwhile, under the running fit of the rotating rod 204 and the supporting frame 203, the rotating rod 204 is driven to rotate through the second motor 217, and then the fixed gear is driven to rotate, in the rotating process of the gear, the distance between the first laser rangefinder 214 and the gear is detected through the front first laser rangefinder 214 and the rear first laser rangefinder 214 until the distance between the first laser rangefinder 214 and the gear reaches the maximum value, and when the distances are the same, the tooth grooves on the front side and the rear side of the gear are respectively aligned with the front first laser rangefinder 214 and the rear first laser rangefinder 214, namely, the tooth groove part of the adjusting gear and the detection head 308 are positioned on the same axis, and the signal is transmitted to the controller 4, and the second motor 217 is closed;
secondly, a third motor 313 is started, the second screw rod 301 is driven to rotate through the third motor 313, under the threaded fit of the second screw rod 301 and the movable block 302, the mounting frame 303 is driven to move downwards, under the action of the supporting rod 306, the detection rod 307 and the detection head 308 are driven to move downwards, when the detection rod 307 moves downwards to be in the same straight line with the first laser range finder 214, the first laser range finder 214 is shielded, detection data of the first laser range finder 214 are changed, the signal is transmitted to the controller 4, and at the moment, the detection head 308 moves downwards to a position aligned with a tooth slot, and the third motor 313 is turned off;
finally, a fourth motor 314 is started, the third screw rod 304 is driven to rotate through the fourth motor 314, the two mounting blocks 305 are driven to be close to each other under the threaded fit of the third screw rod 304 and the mounting blocks 305, the supporting rod 306 and the detecting rod 307 are combined, the detecting head 308 is driven to move towards the inside of the tooth slot until the pressure sensor 309 is contacted with the inner wall of the tooth slot, and the fourth motor 314 is closed under the extrusion signal;
when the front and rear detection heads 308 are adjusted to move towards the inside of the tooth slot, the pointers 311 are driven to move, the dial 310 is matched, the distance between the front and rear two pointers 311 is the span rod distance detected by the gear, and meanwhile, under the mutual matching of the second laser range finder 315 and the rear side pointer 311, the distance between the two pointers 311 is measured and displayed through the display screen 5, so that the staff can conveniently check;
meanwhile, the detection data is compared with the size of the gear standard part stored in the controller 4 in advance, and the comparison result is displayed on the display screen 5, wherein an alarm lamp is arranged on the upper side of the right surface of the fixing frame 300, when the comparison result is abnormal, an alarm is timely sent out to remind, the unqualified gear is taken out, the defects of special machine detection and too high cost are effectively overcome, meanwhile, the defects of great uncertainty and error existing in manual self-definition are overcome, and the method is a convenient means for controlling consistency of field products.
It should be further noted that the installation, connection and arrangement of the present invention are common in the art and are well known and mastered by those skilled in the art, so long as the advantages thereof can be achieved, and the infrared emitter 211, the infrared receiver 212, the first laser rangefinder 214, the pressure sensor 309, the first motor 215, the motor 216, the second motor 217, the third motor 313, the fourth motor 314 and the second laser rangefinder 315 are all commercially available and can be installed and used by those skilled in the art according to requirements.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (10)
1. The utility model provides a gear stride stick apart from check out test set, including detection platform (1), positioning mechanism (2) and detection mechanism (3), its characterized in that, positioning mechanism (2) include spout (200), spout (200) set up at detection platform (1) upper surface, just spout (200) inside is provided with first lead screw (201), the screw thread is provided with slider (202) on first lead screw (201), slider (202) upper surface fixed with support frame (203), support frame (203) inside rotation is provided with dwang (204), dwang (204) are hollow structure, a plurality of logical grooves have been seted up to dwang (204) week side surface, are linked together with dwang (204) inner chamber, dwang (204) inside rotation is provided with screw rod (205), screw rod (205) upper thread is provided with fly leaf (206), logical inslot portion activity is provided with backup pad (209), articulated between backup pad (209) internal surface upside and fly leaf (206) lower surface have a plurality of upper (207), backup pad (209) internal surface and logical bottom surface are the cooperation of support arm (208) under with support arm (208) are in order to support arm (207) and support down, a placing plate (218) is fixed on the lower side of the outer surface of the rotating rod (204);
the detection mechanism (3) comprises a fixing frame (300), the fixing frame (300) is of an L-shaped structure, the fixing frame (300) is fixed on the rear surface of the detection table (1), a second screw rod (301) is arranged on the rear side of the inside of the fixing frame (300), a movable block (302) is arranged on the second screw rod (301) in a threaded mode, a mounting frame (303) is fixed at the front end of the movable block (302), a third screw rod (304) is arranged in the mounting frame (303), two mounting blocks (305) are arranged on the upper thread of the third screw rod (304), a supporting rod (306) is fixed on the lower surface of the mounting blocks (305), a detection rod (307) is movably arranged on the lower side of the inside of the supporting rod (306), the detection rod (307) is fixed on the supporting rod (306) through a bolt, one end, close to each other, of the detection rod (307) is fixed with a detection head (308), a pressure sensor (309) is arranged at the inner side end, the right side surface of the mounting frame (303) is provided with a supporting rod (310), the upper surface of the supporting rod (306) is provided with a third screw rod (304), the same distance measuring instrument (311) and the same as the pointer (311) through the pointer (311), the pointer (311) on the same distance measuring instrument, and the front end face (315), cooperate with the rear pointer 311.
2. The gear span detection device according to claim 1, wherein a fixing plate (210) is fixed at the center of the lower surface of the mounting frame (303), an infrared emitter (211) is mounted on the lower surface of the fixing plate (210), and an infrared receiver (212) is mounted at the upper end of the rotating rod (204) and is matched with the infrared emitter (211).
3. The gear span detection device according to claim 2, wherein two vertical plates (213) are relatively fixed on the upper surface of the detection table (1), a first laser range finder (214) is installed on one surface of each of the front and rear vertical plates (213), which is close to each other, and the first laser range finder (214) and the detection head (308) are located on the same axis.
4. A gear span detection device according to claim 3, wherein fixed rods (312) are fixed on the left and right sides of the second screw rod (301), the fixed rods (312) penetrate through the movable blocks (302), and the movable blocks (302) are in sliding fit with the fixed rods (312).
5. The gear span detection device according to claim 4, wherein a first motor (215) is arranged on the right side of the detection table (1), and an output shaft of the first motor (215) is connected with the right end of the first screw rod (201).
6. The gear span detection device according to claim 5, wherein a second motor (217) is installed at the lower side in the support frame (203), an output shaft of the second motor (217) is connected with the lower end of a rotating rod (204), a motor (216) is arranged at the lower side in the rotating rod (204), the output shaft of the motor (216) is connected with the lower end of a screw rod (205), an annular groove is formed in the upper surface of the support frame (203), a plurality of arc-shaped blocks are fixed on the lower surface of the placement plate (218) and are in sliding fit with the annular groove, limit rods are fixed on two sides of the screw rod (205), the limit rods penetrate through a movable plate (206), and the movable plate (206) is in sliding fit with the limit rods.
7. The gear stick span detection device according to claim 6, wherein a third motor (313) is arranged on the rear side of the upper surface of the fixing frame (300), an output shaft of the third motor (313) is connected with the upper end of the second screw rod (301), a fourth motor (314) is arranged on the rear side inside the fixing frame (303), and an output shaft of the fourth motor (314) is connected with the rear end of the third screw rod (304).
8. The gear span detection device according to claim 7, wherein the controller (4) is installed on the right side of the front surface of the detection table (1), and the display screen (5) is installed on the front surface of the fixing frame (300).
9. The gear span detection device according to claim 8, wherein limiting grooves are formed in front and rear surfaces of the inside of the sliding groove (200) and two inner side surfaces of the mounting frame (303), and limiting blocks are fixed on the left and right surfaces of the sliding block (202) and the left and right surfaces of the mounting block (305) and are matched with the limiting grooves.
10. A detection method using a gear span detection apparatus as claimed in any one of claims 1 to 9, comprising the steps of:
step one: firstly, a gear to be detected is sleeved on a rotating rod (204) and placed on a placing plate (218), a motor (216) is started at the same time, a screw rod (205) is driven to rotate, the movable plate (206) is driven to move downwards under the threaded cooperation of the screw rod (205) and the movable plate (206), and under the hinging action of the two ends of an upper supporting arm (207) and a lower supporting arm (208), a supporting plate (209) is extruded to open outwards until the gear is attached to an inner hole of the gear, the gear is fixed, and the step II is carried out;
step two: starting a first motor (215), driving a first screw rod (201) to rotate, driving a support frame (203) to move rightwards under the threaded fit of the first screw rod (201) and a sliding block (202), and further driving a fixed gear to move rightwards until an infrared receiver (212) receives infrared rays emitted by an infrared emitter (211), stopping the operation of the first motor (215), and turning to a step III;
step three: starting a first laser range finder (214) and a second motor (217), detecting the distance between the first laser range finder (214) and the gear through the front and the rear first laser range finders (214), simultaneously driving the rotating rod (204) to rotate through the second motor (217) in the running fit of the rotating rod (204) and the support frame (203), further driving the fixed gear to rotate, detecting the distance change between the first laser range finders (214) and the gear in the gear rotating process until the distance detected by the front and the rear first laser range finders (214) reaches the maximum value, and when the distances are the same, determining that tooth grooves on the front and the rear sides of the gear are aligned with the front and the rear first laser range finders (214) respectively, namely realizing that tooth grooves of an adjusting gear are positioned on the same axis as the detection head (308), stopping running of the second motor (217), and turning to the fourth step;
step four: starting a third motor (313), driving a second screw rod (301) to rotate through the third motor (313), driving a mounting frame (303) to move downwards under the threaded fit of the second screw rod (301) and a movable block (302), driving a detection rod (307) and a detection head (308) to move downwards under the action of a support rod (306), and shielding the first laser range finder (214) when the detection rod (307) moves downwards to be in the same straight line with the first laser range finder (214), so that the detection data of the first laser range finder (214) changes, and at the moment, the detection head (308) moves downwards to a position aligned with a tooth slot, and stopping operation of the third motor (313) to shift to a step five;
step five: starting a fourth motor (314), driving a third screw rod (304) to rotate through the fourth motor (314), driving two mounting blocks (305) to be close to each other under the threaded fit of the third screw rod (304) and the mounting blocks (305), combining a supporting rod (306) and a detecting rod (307), driving a detecting head (308) to move towards the inside of a tooth slot until a pressure sensor (309) is in contact with the inner wall of the tooth slot, receiving an extrusion signal, stopping the fourth motor (314), and turning to the step six;
step six: when two detection heads (308) move towards the inside of a tooth slot before and after adjustment, the movement of the pointer (311) is driven, the distance between the two front and rear pointers (311) is watched by matching with the dial (310), namely the span rod distance detected by the gear, and meanwhile, under the mutual matching of the second laser range finder (315) and the rear pointer (311), the distance between the two pointers (311) is measured and displayed through the display screen (5).
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CN118089633A (en) * | 2024-04-23 | 2024-05-28 | 济宁中煤操车技术有限公司 | Automatic measuring device for measuring distance between chain wheel and measuring column of car pusher and control method |
CN118089633B (en) * | 2024-04-23 | 2024-06-28 | 济宁中煤操车技术有限公司 | Automatic measuring device for measuring distance between chain wheel and measuring column of car pusher and control method |
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