Disclosure of Invention
The present invention is directed to a track tolerance detection device to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: a track tolerance detection device comprises a detection frame, wherein the detection frame comprises an installation support column, the side surface of the installation support column is fixedly connected with an L-shaped positioning mounting plate, two sides of the positioning mounting plate are respectively provided with a positioning sliding opening, the top of the positioning mounting plate is provided with a positioning motor at the position above the positioning sliding opening, the output end of the positioning motor penetrates through the top of the positioning sliding opening and is fixedly connected with a positioning screw rod, the other end of the positioning screw rod is rotatably connected with the inner wall of the bottom of the positioning sliding opening, the outer wall of the positioning screw rod is movably screwed with a positioning screw sleeve, the front surfaces of the positioning screw sleeves are fixedly connected with an extension frame, two sides of the bottom of the extension frame are fixedly connected with detection mounting plates, detect mounting panel bottom both sides and install supplementary detection mechanism respectively, detect mounting panel bottom center and install tolerance detection mechanism, install the track guide mechanism at erection bracing post top, track guide mechanism top fixedly connected with positioning mechanism.
Furthermore, the tolerance detection mechanism comprises a protective shell, partition plates are fixedly connected to the middle parts of the inner walls of two sides of the protective shell, lithium batteries are fixedly connected to the top of each partition plate, a penetrating plate is fixedly connected to the bottom of the protective shell, side support plates are respectively and fixedly connected to the inner walls of two sides of the protective shell, a laser emitter is installed on one side of each side support plate in a penetrating mode, a receiving cover is fixedly connected to the side of each side support plate, photoresistors are arranged in the receiving cover in a matrix-shaped equidistance mode, light screens are fixedly connected to the side surfaces of the receiving covers, a fixed square ring is fixedly connected to the top of each penetrating plate, connecting springs are respectively and fixedly connected to two sides of the top of each fixed square ring, transverse plates are fixedly connected to the tops of the connecting springs together, an extension plate is fixedly connected to the bottoms of the transverse plates, the bottoms of the extension plates penetrate through the tops of the penetrating plates, and detection rollers are rotatably connected to the bottoms of the extension plates, extension board side has concave lens with the form joint that runs through, and microcomputer and pilot lamp are installed respectively to the position that protective housing back inner wall is located the baffle below, and lithium cell back fixedly connected with connects the electric head, connects the electric head to run through in the protective housing back, and top hood including fixed square ring top fixedly connected with surrounds the diaphragm, laser emitter, photo resistance, lithium cell and pilot lamp respectively with microcomputer electric connection.
Further, track guide mechanism includes the guide board, the guide board is the U-shaped structure, and the guide board bottom is fixed in the erection bracing post top, rotates between the inner wall of guide board both sides to be connected with the guide roller that a plurality of equidistance were arranged, is located both sides and middle part the guide roller openly runs through in the guide board openly, and output and guide roller fixed connection's guide motor is installed to the positive both sides of guide board and middle position.
Furthermore, positioning mechanism is provided with two, and positioning mechanism is fixed in the front and the back position at guide board top respectively, positioning mechanism includes the fixed plate, and the fixed plate passes through bolt and guide board fixed connection, two the equal fixedly connected with electric putter of guide board relative position, electric putter output fixedly connected with installation cover, the lateral wall of installation cover rotates and is connected with the guide pulley.
Further, supplementary detection mechanism is including measuring the frame, and the measuring frame is the structure of falling the U-shaped, the mounting groove has been seted up to the front of measuring frame and back both sides inner wall, two a plurality of infrared range finders are installed to the inside equidistance of mounting groove, measure a top fixedly connected with fixed bolster, the fixed bolster top with detect mounting panel fixed connection.
Furthermore, the equal fixedly connected with scale in position that the location mounting panel back is located location sliding opening both sides, the equal fixedly connected with vernier in location silk braid back, vernier and scale mutual adaptation.
Furthermore, the bottom of the extension frame is fixedly connected with a reinforcing plate, the bottom of the reinforcing plate is fixedly connected with the bottom of the side face of the positioning screw sleeve, the bottom face of the extension frame, the reinforcing plate and the side face of the positioning screw sleeve form a triangular structure, the bottom of the extension frame is fixedly connected with an auxiliary supporting cylinder, and the bottom of the auxiliary supporting cylinder is fixedly connected with the positioning mounting plate.
Furthermore, the positioning mounting plate back central point puts and has seted up square observation window, the positioning mounting plate back is located observation window side position and installs the controller, test rack, track guiding mechanism, tolerance detection mechanism, supplementary detection mechanism and positioning mechanism respectively with controller electric connection.
Compared with the prior art, the invention has the beneficial effects that:
the track tolerance detection device can utilize the detection roller to press the top of the track to be detected through the arranged tolerance monitoring mechanism to carry out leveling tolerance detection on the upper surface of the track to bear weight, the detection roller can roll on the top of the track in the track advancing process, the detection roller can generate certain degree of height change when fine flatness change occurs on the top of the track, so that the position change of the concave lens on the extension plate can be caused, at the moment, light originally passing through the central position of the concave lens can be refracted on the concave lens to irradiate on the light screen at a certain angle through the laser transmitter, and the photoresistor at the corresponding position is triggered, whether the surface of the track is flat or not is judged according to the position deviation degree of the point irradiated on the light screen and the central point, compared with the traditional optical flatness detector, the light change caused by the flatness change can be amplified through the concave lens, therefore, the short-distance object can be effectively detected;
meanwhile, in the guide process of the track, the track can be placed and guided through the arranged track guide mechanism, the guide roller provided with the guide motor is used for driving the track placed above the guide roller, a stable monitoring platform can be provided for track detection, the track is slowly driven by the guide motor and the guide roller to smoothly advance, meanwhile, the auxiliary positioning mechanism is used for positioning, rolling and clamping the track by using the guide wheels arranged in a row and driven by the electric push rod of the positioning mechanism, and therefore errors in measurement caused by the deviation of angles of the track are avoided;
in addition, for carrying out the range finding monitoring to the track surface, through setting up the infrared distance meter that a plurality of equidistance were arranged to orbital both sides thickness is measured to many detection points, thereby has avoided the accidental error that appears when the single detection point is measured, and infrared distance meter's supplementary detection mechanism is provided with two sets ofly, thereby further reduces the error condition that probably appears.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.
Examples
When tolerance detection of the T-shaped track is carried out, the track tolerance detection device provided by the invention is adopted to measure the track, before the T-shaped track is measured, the flat surface of the track is required to be placed on the track guide device, the position of the track is adjusted, the track is clamped by the positioning mechanism 5, so that the positions of two sides of the track are kept parallel to the positions of two sides of the guide plate 201 when the track is moved, the phenomenon that the measured value is overlarge due to track inclination can be avoided when track side thickness monitoring is carried out, the device is provided with an instrument for monitoring the flatness of the upper surface of the track at the top of the track, in a default state, light emitted by the laser emitter 305 can reach the optical screen 308 through the center of the concave lens 319 without refraction, so as to be used as base point data for monitoring, and the traditional optical emitting and receiving instrument has no obvious displacement at a lower position in a short distance state, it is difficult to use the method in the case of performing a precise tolerance flatness inspection.
As shown in fig. 1 to 12, the present invention provides a technical solution: the utility model provides a track tolerance detection device, including test rack 1, test rack 1 includes erection bracing post 101, the location mounting panel 102 of erection bracing post 101 side fixedly connected with L shape, location sliding opening has been seted up respectively to location mounting panel 102 both sides, location motor 104 is installed respectively to the position that location mounting panel 102 top is located location sliding opening top, location motor 104 output runs through in location sliding opening top fixedly connected with positioning screw 105, the positioning screw 105 other end rotates with location sliding opening bottom inner wall to be connected, positioning screw 105 outer wall activity spiro union has positioning screw 106, positioning screw 106 openly all fixedly connected with extends frame 107, it detects mounting panel 108 to extend frame 107 bottom both sides fixedly connected with, it installs supplementary detection mechanism 4 respectively to detect mounting panel 108 bottom both sides.
It should be noted that, when the detection frame 1 for track detection is a device for mounting detection equipment, the position of the detection device can be adjusted by the positioning motor 104, the positioning screw 105 and the positioning screw 106 of the equipment, what is needed to do when tolerance detection is performed on different types of tracks is to drive the extension frame 107 to drive the tolerance detection mechanism 3 and the auxiliary detection mechanism 4 on the detection plate to move upwards by the positioning motor 104, then the tracks are placed on the track guide mechanism 2, the auxiliary detection mechanism 4 and the tolerance detection mechanism 3 can avoid the collision which may occur when the tracks are placed, on the other hand, when track detection is performed, the tracks need to be positioned, and the detection device is repositioned according to the height of the tracks, the auxiliary detection mechanism 4 and the tolerance detection mechanism 3 can facilitate subsequent positioning work, during the downward movement of the auxiliary detection mechanism 4 and the tolerance detection mechanism 3, the positioning motor 104 rotates slowly to match with the slow contraction of the auxiliary supporting cylinder 103 to approach the rail at a stable and smooth speed, and when the detection roller 314 on the tolerance detection mechanism 3 contacts with the upper surface of the rail, the driving of the positioning motor 104 and the auxiliary supporting cylinder 103 is stopped, and the working position is realized at this moment.
It should be noted that, the scales 110 are disposed on two sides of the positioning sliding opening, the vernier 109 is disposed on the back of the positioning screw sleeve 106, since the auxiliary detection mechanism 4 and the tolerance detection mechanism 3 need to ensure that the guide rail is pressed horizontally, the guide rail at the same level is measured in a horizontal state, the arrangement of the vernier 109 and the scales 110 can check whether two ends of the detection mounting plate 108 are at the same height after the positioning is completed, so as to avoid a measurement error caused by the inclination of the detection mounting plate 108, the vernier 109 is a double-headed triangular pointer, the scales 110 are disposed on two sides of the positioning sliding opening at the same time, and whether the positioning screw sleeve 106 itself is inclined can be monitored through the scales 110.
A tolerance detection mechanism 3 is arranged at the center of the bottom of the detection mounting plate 108, a track guide mechanism 2 is arranged at the top of the mounting support column 101, a positioning mechanism 5 is fixedly connected at the top of the track guide mechanism 2, the tolerance detection mechanism 3 comprises a protective shell 301, a partition plate 302 is fixedly connected at the middle part of the inner wall of two sides of the protective shell 301, a lithium battery 303 is fixedly connected at the top of the partition plate 302, a penetration plate 309 is fixedly connected at the bottom of the protective shell 301, side support plates 304 are respectively and fixedly connected with the inner wall of two sides of the protective shell 301, a laser emitter 305 is arranged at the side surface of one side support plate 304 in a penetrating manner, a receiving cover 306 is fixedly connected at the side surface of the other side support plate 304, a photosensitive resistor 307 is arranged in the receiving cover 306 in a matrix-shaped equidistance manner, an optical screen 308 is fixedly connected at the side surface of the receiving cover 306, a fixed square ring 310 is fixedly connected at the top of the penetration plate 309, and a fixed square ring 310 is respectively and a connecting spring 311 is fixedly connected at two sides at the top of the fixed square ring 310, the top of the connecting spring 311 is fixedly connected with a transverse plate 312, the bottom of the transverse plate 312 is fixedly connected with an extension plate 313, the bottom of the extension plate 313 penetrates through the top of the penetrating plate 309, the bottom of the extension plate 313 is rotatably connected with a detection roller 314, the side of the extension plate 313 is clamped with a concave lens 319 in a penetrating manner, the positions of the inner wall of the back of the protective shell 301, which are positioned below the partition plate 302, are respectively provided with a microcomputer 318 and an indicator light 317, the back of the lithium battery 303 is fixedly connected with an electric connector 316, the electric connector 316 penetrates through the back of the protective shell 301, the top of the fixed square ring 310 is fixedly connected with a top cover 315 which surrounds the transverse plate 312, the laser emitter 305, the photoresistor 307, the lithium battery 303 and the indicator light 317 are respectively and electrically connected with the microcomputer 318, the bottom of the extending frame 107 is fixedly connected with a reinforcing plate 112, the bottom of the reinforcing plate 112 is fixedly connected with the bottom of the side of the positioning wire sleeve 106, and the bottom of the extending frame 107, the reinforcing plate 112 and the side of the positioning wire sleeve 106 form a triangular structure, extend frame 107 bottom fixedly connected with auxiliary stay cylinder 103, auxiliary stay cylinder 103 bottom and location mounting panel 102 fixed connection, location mounting panel 102 back central point puts and has seted up square observation window, location mounting panel 102 back is located observation window side position and installs controller 111, test rack 1, track guiding mechanism 2, tolerance detection mechanism 3, auxiliary detection mechanism 4 and positioning mechanism 5 respectively with controller 111 electric connection, the equal fixedly connected with scale 110 in position that the location mounting panel 102 back is located the smooth mouthful both sides of location, the equal fixedly connected with vernier 109 in the back of positioning wire sleeve 106, vernier 109 and the mutual adaptation of scale 110.
It should be noted that, when the apparatus is in the working position, the track guiding mechanism 2 can transport the track in a transverse direction, the detection roller 314 can contact the upper surface of the track during the transportation, the detection roller 314 must be horizontal before the detection, and when the flatness of the upper surface of the track changes within the tolerance range, the up-and-down movement of the detection roller 314 will not cause the concave lens 319 to irradiate the laser of the laser emitter 305 to the photo-resistor 307 around the base point data position, when the upper surface of the track exceeds the tolerance range, the movement of the concave lens 319 is obvious, so that the laser can be guided to the position deviating from the base point data more, and trigger the photo-resistor 307 at the position, and at the same time, the data can be recorded by the microcomputer 318 and the warning can be provided by the indicator lamp 317 to guide the staff to check, and the tolerance errors at the two sides of the track can be detected by the auxiliary detecting mechanism 4 located at the side of the tolerance detecting mechanism 3, the flatness error of the upper surface of the top part for bearing the transported object can only be detected by the tolerance detection mechanism 3.
Track guide mechanism 2 is including guiding board 201, and guiding board 201 is the U-shaped structure, and guiding board 201 bottom is fixed in erection bracing post 101 top, rotates between the inner wall of guiding board 201 both sides to be connected with the guide roller 202 that a plurality of equidistance were arranged, and the guide roller 202 that is located both sides and middle part openly runs through in guiding board 201 openly, and guiding board 201 openly both sides and middle position install output and guide roller 202 fixed connection's guide motor 203.
It should be noted that the guide roller 202 is made of a metal material, and during the guiding transportation of the rail, the rail can be smoothly transported by virtue of the flat surface, and the guide wheel 504 used by the same positioning mechanism 5 for positioning the rail is also made of a metal material.
Positioning mechanism 5 is provided with two, and positioning mechanism 5 is fixed in the front and the back position at guide board 201 top respectively, and positioning mechanism 5 includes fixed plate 501, and fixed plate 501 passes through bolt and guide board 201 fixed connection, two equal fixedly connected with electric putter 502 of guide board 201 relative position, and electric putter 502 output end fixedly connected with installation cover 503, the lateral wall of installation cover 503 rotates and is connected with guide pulley 504.
It should be noted that the positioning mechanisms 5 are installed on both front and back sides of the guide plate 201, so as to form a set of positioning mechanisms 5, at least two sets of positioning mechanisms 5 are usually installed on the top of the guide plate 201, thereby ensuring that the angle of the track is not deviated, the positioning mechanism 5 is fixed on both sides of the guide plate 201 by bolts, the positioning mechanisms 5 with different heights can be replaced according to different monitoring tracks, the electric push rods 502 of the positioning mechanisms 5 with different heights have different installation heights, in the process of clamping the track by the positioning mechanism 5, the two electric push rods 502 are used for synchronous extension, the guide wheels 504 on the mounting cover 503 are contacted with the two sides of the track so as to clamp the track, the guide wheels 504 on the mounting cover 503 are arranged in rows, the stability of the track during clamping can be further ensured, since the guide rail and the positioning means 5 are connected by means of the guide wheel 504, the friction forces present are small and do not affect the movement of the rail on the rail guide means 2.
Supplementary detection mechanism 4 is including measuring frame 401, and measuring frame 401 is the structure of falling the U-shaped, and the mounting groove has been seted up to the front of measuring frame 401 and back both sides inner wall, and a plurality of infrared range finder 403 are installed to the inside equidistance of two mounting grooves, and measuring frame 401 top fixedly connected with fixed bolster 402, fixed bolster 402 top and detection mounting panel 108 fixed connection.
The auxiliary detection mechanism 4 is used for monitoring the distance between two sides of the track, so as to measure the thickness of the side face of the track, the distance between the distance meter and the side face of the track can be accurately monitored by using the infrared distance meter 403, the measured distance is subtracted from the fixed distance between the inner walls of the measuring frame 401, the thickness of the track passing through the section of the position at each position can be calculated, the sampling points are at least three, the monitoring frequency is three times per second, so that the thickness of the track can be accurately monitored, the thickness value with obvious difference can be marked in the display of the subsequent controller 111 and the problem position can be determined, and the auxiliary monitoring mechanism can assist the tolerance detection mechanism 3 to perform retest detection to ensure the accuracy of detection to a certain extent.
The controller 111 for controlling the main body of the device can monitor the running state and data record of each device component, the base point data in the microcomputer 318 can be modified by operating the controller 111, the device is provided with a control panel which can independently control the electric elements in the device, so that the device is convenient to overhaul, and the matching condition of each device can be adjusted according to the type of the track.
It should be noted that the operation of the equipment needs to be completed by a worker, and the worker needs to observe the change of the indicator light 317 on the tolerance detection mechanism 3 from the position of the observation window at the beginning of the detection and keep track of the abnormal value displayed on the controller 111, and mark the problem area and restart the equipment to operate in time after the problem occurs.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.