CN115980188A - A on-line measuring device for gear is detected a flaw - Google Patents
A on-line measuring device for gear is detected a flaw Download PDFInfo
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- CN115980188A CN115980188A CN202310138372.XA CN202310138372A CN115980188A CN 115980188 A CN115980188 A CN 115980188A CN 202310138372 A CN202310138372 A CN 202310138372A CN 115980188 A CN115980188 A CN 115980188A
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Abstract
The invention relates to the technical field of gear detection equipment, in particular to an online detection device for gear flaw detection, which comprises: the detection mechanism is detachably connected to the sliding seat mechanism so as to perform flaw detection on the gear; the sliding seat mechanism slides on the telescopic guide rail mechanism and is connected with a transmission mechanism arranged on the telescopic guide rail mechanism so as to slide on the telescopic guide rail mechanism in a reciprocating manner under the control of the transmission mechanism; the transmission mechanism is connected with the driving mechanism so as to operate under the driving of the driving mechanism; the telescopic guide rail mechanism is fixed on the clamping table mechanism so as to be telescopically adjusted under the transmission of the clamping table mechanism; the gear detection device can be used for efficiently detecting the gear to be detected, is comprehensive in detection, is not easy to miss detection, and effectively improves the gear detection effect.
Description
Technical Field
The invention relates to the technical field of gear detection equipment, in particular to an online detection device for gear flaw detection.
Background
The gear has very extensive and irreplaceable effects in the power transmission of various current mechanical equipment, so that the stability and the structural strength of the gear structure have very important significance on the operation of the mechanical equipment, particularly in the transmission of all large moments, the important significance of the gear structure is more prominent, and the gear structure is generally formed by welding, milling, casting, carburizing and other processes in the production and processing of the gear, so that the phenomena of sand holes, cracks, foreign matters and the like generated in a metal blank for gear processing are easily caused, and the structural strength and the service performance of the gear are finally seriously influenced.
The work of detecting a flaw of present gear mainly utilizes the equipment of detecting a flaw to the inside processing of detecting a flaw of gear, but the equipment of detecting a flaw at present only is applicable to the less gear of size and detects a flaw, detects a flaw in the great size of diameter, needs the handheld appearance of detecting a flaw of testing personnel to detect a flaw to the gear, and not only the time spent is longer, and because the scope that needs to detect a flaw is too big, takes place easily when detecting a flaw and omits, leads to detecting lowly, and the influence is observed the detection of gear inner structure and damage.
Disclosure of Invention
In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
To at least partially solve the above problems, the present invention provides an on-line inspection apparatus for gear flaw detection, comprising: the detection mechanism is connected to the sliding seat mechanism and is used for carrying out flaw detection on the gear; the sliding seat mechanism slides on the telescopic guide rail mechanism and is connected with a transmission mechanism arranged on the telescopic guide rail mechanism so as to slide on the telescopic guide rail mechanism in a reciprocating manner under the control of the transmission mechanism; the transmission mechanism is connected with the driving mechanism so as to operate under the driving of the driving mechanism; the telescopic guide rail mechanism is fixed on the clamping table mechanism so as to be telescopically adjusted under the transmission of the clamping table mechanism; the clamping table mechanism is used for clamping the gear to be detected and moves around the gear to be detected by taking the axis of the gear to be detected as the center under the driving of the driving mechanism.
Optionally, the clamping table mechanism comprises an inner U-shaped frame, an outer U-shaped frame and a length-adjustable screw; the outer U-shaped frame slides in the cross sliding grooves at the two ends of the inner U-shaped frame through the cross sliding rails at the two ends, and the bottom surface of the inner U-shaped frame is coplanar with the bottom surface of the outer U-shaped frame; the length-adjusting screw rod rotates on the inner U-shaped frame, and the middle part of the length-adjusting screw rod is in threaded transmission connection with a sliding block fixed on the outer U-shaped frame; two inner clamping rollers relatively rotate on the inner U-shaped frame, and a first gear fixed on one inner clamping roller is connected with a driving mechanism; an L-shaped frame is fixed at the bottom of the outer U-shaped frame, an outer clamping roller is rotatably connected to the L-shaped frame, and the outer clamping roller is positioned in a U-shaped groove of the outer U-shaped frame.
Optionally, the outer pinch roll comprises a stepped roll, and the diameter of a roll body at the upper end of the stepped roll is smaller than that of a roll body at the lower end of the stepped roll; the step roller rotates at the roller shaft lower extreme, and the roller shaft middle part rotates on L shape frame, and the fixed top dish in roller shaft upper end is equipped with compression spring between top dish and the L shape frame.
Optionally, the telescopic rail mechanism comprises an inner slide rail, an outer slide rail, an inner support and an outer support; the inner ends of the two inner slide rails are oppositely fixed on the inner support, the inner support is fixed on the inner U-shaped support, the outer ends of the two inner slide rails are respectively provided with a cross-shaped chute with the inner side opened, the inner ends of the two outer slide rails slide in the two cross-shaped chutes, the outer ends of the two outer slide rails are fixed on the outer support, and the outer support is fixed on the outer U-shaped support; the inner side surface, the top surface and the bottom surface of the inner slide rail are coplanar with the inner side surface, the top surface and the bottom surface of the outer slide rail.
Optionally, the sliding seat mechanism comprises an i-shaped sliding seat, the i-shaped sliding seat slides in an adjustable slide way formed between two inner sliding rails and two outer sliding rails, and the inner side surface, the top surface and the bottom surface of each inner sliding rail are in sliding fit with the i-shaped sliding seat; a vertical pipe is connected in a longitudinal through hole in the middle of the I-shaped sliding seat, a multi-edge vertical rod is in sliding fit in the vertical pipe, and the lower end of the multi-edge vertical rod is connected with a detection mechanism; a disc seat is fixed at the upper end of the multi-edge vertical rod, and an extension spring is fixed between the disc seat and the vertical pipe.
Optionally, the vertical pipe is rotatably connected in the longitudinal through hole, and the inner end of a fastening screw matched with the threads on the I-shaped sliding seat can be pressed on the vertical pipe; the vertical pipe is rotatably connected with an outer gear ring, an arc piece is fixed on the top surface of the outer gear ring, the arc piece is in threaded fit with a linkage inserted bar, and the inner end of the linkage inserted bar can be inserted into a linkage jack on the outer side surface of the vertical pipe; the outer side of the outer gear ring is meshed with a linkage rack, and the linkage rack is fixed on the inner slide rail through a support; a through hole is formed in the center of the multi-edge vertical rod, so that the couplant is conveyed through the through hole; the lower end of the polygonal vertical rod is fixedly provided with the smearing ring, and the bottom surface of the smearing ring is coplanar with the bottom surface of the polygonal vertical rod.
Optionally, the detection mechanism includes an ultrasonic flaw detector, one end of the ultrasonic flaw detector is provided with a lower flange, and the lower flange is connected to the smearing ring through the matching of a bolt and a nut.
Optionally, the transmission mechanism comprises a transmission rack, one end of the transmission rack is fixed on the i-shaped sliding seat, the middle part of the transmission rack slides in the transverse slide way of the inner support, the transmission rack is meshed with a driving gear, the driving gear is fixed on a linkage shaft, the linkage shaft rotates on the inner support through two bearing shaft supports, and a friction disc in friction transmission connection with the driving mechanism is fixed at one end of the linkage shaft; one end of one or more reset tension springs is fixed on each bearing bracket, and the other end of each reset tension spring is fixed on the I-shaped sliding seat.
Optionally, the driving mechanism comprises a power motor fixed on the inner U-shaped frame through a motor support, an incomplete gear is fixed on an output shaft of the power motor, the incomplete gear is intermittently meshed with and drives the first gear or the second gear, the second gear is fixed on a wheel shaft, the wheel shaft rotates on the inner U-shaped frame, a multi-edge slideway is arranged at the top of the wheel shaft, a multi-edge rotating rod is in sliding fit with the multi-edge slideway, a friction wheel is fixed on the multi-edge rotating rod, a variable-pitch adjusting screw rod is rotationally connected in the multi-edge slideway, and the middle part of the variable-pitch adjusting screw rod is in threaded fit with an internal thread through hole of the multi-edge rotating rod; the friction wheel is vertically connected with the friction disc in a friction transmission way.
Optionally, a tension spring is arranged between the multi-edge rotating rod and the bottom surface of the multi-edge slideway.
Optionally, the sliding block is in threaded fit with the first bolt, and the inner end of the first bolt is pressed against the length-adjusting screw rod.
Compared with the prior art, the invention at least comprises the following beneficial effects: the invention can effectively solve the problems of manual flaw detection in the prior art; the gear detection device is internally provided with the clamping table mechanism, the gear detection device can be arranged on a gear through the clamping table mechanism, the internal detection mechanism is controlled to be in contact with the end face of the gear to be detected, and the sliding seat mechanism, the telescopic guide rail mechanism, the transmission mechanism and the driving mechanism are matched to drive the detection mechanism to detect different positions of the end face of the gear to be detected, so that the gear to be detected is efficiently detected, the detection is comprehensive, the condition of missed detection is not easy to occur, and the gear detection effect is effectively improved.
The invention has the advantages that:
1. the internal clamping table mechanism can be clamped on gears with different sizes for use, and has wide application range and strong practicability;
2. according to the invention, the internal and external reciprocating sliding of the sliding seat mechanism on the telescopic guide rail mechanism and the surrounding displacement motion of the clamping table mechanism on the gear to be detected can be realized only by one motor in the driving mechanism, so that the detection mechanism can perform ultrasonic detection treatment on different positions on the end surface of the gear to be detected, and the internal structure and damage of the gear can be effectively detected.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic overall view in a first direction according to an embodiment of the present invention;
FIG. 2 is a schematic overall view in a second direction according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a carriage mechanism according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a telescopic rail mechanism provided in an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a transmission mechanism provided in an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a driving mechanism according to an embodiment of the present invention;
FIG. 7 is a partial cross-sectional view of a drive mechanism provided by an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a clamping table mechanism according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of an outer nip roller according to an embodiment of the present invention.
Icon: a detection mechanism 1; a slide carriage mechanism 2; an I-shaped slide base 21; a standpipe 22; a polygonal vertical rod 23; a disc seat 24; an extension spring 25; a fastening screw 26; an outer ring gear 27; a linked rack 28; a smearing ring 29; a telescopic guide rail mechanism 3; an inner slide rail 31; an outer slide rail 32; an inner support 33; an outer support 34; a transmission mechanism 4; a transmission rack 41; a drive gear 42; a linkage shaft 43; a bearing bracket 44; a friction disk 45; a return tension spring 46; a drive mechanism 5; a power motor 51; the incomplete gear 52; the second gear 53; an axle 54; a multi-sided rotating shaft 55; a friction wheel 56; a pitch-variable adjusting screw 57; a clamping table mechanism 6; an inner U-shaped frame 61; an outer U-shaped frame 62; a length-adjustable screw 63; a slider 64; an inner nip roller 65; an outer nip roller 66; a step roller 661; a roller shaft 662; a top plate 663; a compression spring 664; a first gear 67.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all 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 application.
The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can practice the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or combinations thereof.
The invention is described in further detail below with reference to figures 1-9.
Example one
As shown in fig. 1 to 9, an on-line inspection apparatus for gear flaw detection includes: the detection mechanism 1 is detachably connected to the sliding seat mechanism 2; the slide seat mechanism 2 slides on the telescopic guide rail mechanism 3 and is connected with a transmission mechanism 4 arranged on the telescopic guide rail mechanism 3 so as to slide on the telescopic guide rail mechanism 3 in a reciprocating manner under the control of the transmission mechanism 4; the transmission mechanism 4 is connected with the driving mechanism 5; the telescopic guide rail mechanism 3 is fixed on the clamping table mechanism 6 so as to be telescopically adjusted under the transmission of the clamping table mechanism 6; the clamping table mechanism 6 is used for clamping the gear to be detected.
The working principle and the beneficial effects of the technical scheme are as follows:
when the gear to be detected is detected, firstly, a coupling agent is uniformly coated on the end face of the gear to be detected, then, a control clamping table mechanism 6 is clamped on the gear to be detected, the inner end of the clamping table mechanism 6 is clamped on the inner wheel face of the gear to be detected, the outer end of the clamping table mechanism 6 is clamped on the outer wheel face of the gear to be detected, and a probe of a detection mechanism 1 is controlled to be in contact with the end face of the gear to be detected; then connect electric start with actuating mechanism 5, actuating mechanism 5 can the intermittent type transmission drive clamping platform mechanism 6 operation after starting, thereby control clamping platform mechanism 6 intermittent type carry out the displacement motion on waiting to detect the gear, make clamping platform mechanism 6 carry out intermittent type formula circular motion with the axis of waiting to detect the gear as the center, when clamping platform mechanism 6 moves certain angle, actuating mechanism 5 carries out reciprocating type sliding motion once on telescopic rail mechanism 3 through the cooperation control slide mechanism 2 with actuating mechanism 4, thereby treat the corresponding position of detecting the gear and detect, clamping platform mechanism 6 circular motion back, realize treating the accurate detection of detecting a flaw of detecting the gear, can detect out the internal structure of gear damage with high efficiency, the difficult situation of lou examining that takes place, effectively improve gear detection effect.
Example two
As shown in fig. 1-9, on the basis of the first embodiment, the clamping table mechanism 6 comprises an inner U-shaped frame 61, an outer U-shaped frame 62 and an extension screw 63; the outer U-shaped frame 62 slides in the cross sliding grooves at the two ends of the inner U-shaped frame 61 through the cross sliding rails at the two ends, and the bottom surface of the inner U-shaped frame 61 is coplanar with the bottom surface of the outer U-shaped frame 62; the length-adjusting screw 63 rotates on the inner U-shaped frame 61, and the middle part of the length-adjusting screw 63 is in threaded transmission connection with a sliding block 64 fixed on the outer U-shaped frame 62; two inner clamping rollers 65 are relatively rotated on the inner U-shaped frame 61, and a first gear 67 fixed on one inner clamping roller 65 is connected with the driving mechanism 5; an L-shaped frame is fixed at the bottom of the outer U-shaped frame 62, an outer clamping roller 66 is rotatably connected to the L-shaped frame, and the outer clamping roller 66 is positioned in a U-shaped groove of the outer U-shaped frame 62.
The working principle and the beneficial effects of the technical scheme are as follows:
the internal clamping table mechanism 6 is structurally arranged, so that the internal clamping table mechanism can be clamped on gears to be detected with different sizes for use, and has the advantages of wide application range and strong practicability; during detection, the clamping table mechanism 6 can be adjusted according to the distance between the inner diameter and the outer diameter of the gear to be detected, and during adjustment, the contact position between the clamping table mechanism and the sliding block 64 can be changed by rotating the length-adjusting screw 63, so that the sliding blocks at the two ends of the outer U-shaped frame 62 are driven by the sliding block 64 to slide in the cross sliding grooves at the two ends of the inner U-shaped frame 61, the relative positions of the inner U-shaped frame 61 and the outer U-shaped frame 62 are adjusted, the integral length of the inner U-shaped frame 61 and the outer U-shaped frame 62 is changed, the distance between the outer clamping roller 66 and the two inner clamping rollers 65 is changed, the two inner clamping rollers 65 are in rolling fit on the inner wheel surface of the gear to be detected, the outer clamping rollers 66 are in rolling fit on the outer wheel surface of the gear to be detected, and stable clamping work is formed on the gear to be detected; and after actuating mechanism 5 starts, when actuating mechanism 5 contacts with the first gear 67 on an interior pinch roll 65, can drive this interior pinch roll 65 and rotate, and through the cooperation with the interior wheel face of waiting to detect the gear when this interior pinch roll 65 rotates, can drive the whole of clamping platform mechanism 6 and roll on waiting to detect the gear, the bottom surface sliding fit of interior U-shaped frame 61 and outer U-shaped frame 62 is on waiting to detect the terminal surface of gear to sliding motion on waiting to detect the terminal surface of gear.
EXAMPLE III
As shown in fig. 1 to 9, in the second embodiment, the outer nip roller 66 includes a step roller 661, and the diameter of the upper roller body of the step roller 661 is smaller than the diameter of the lower roller body of the step roller 661; the stepped roller 661 rotates at the lower end of the roller shaft 662, the middle part of the roller shaft 662 rotates on the L-shaped frame, the top disc 663 is fixed at the upper end of the roller shaft 662, and a compression spring 664 is arranged between the top disc 663 and the L-shaped frame.
The working principle and the beneficial effects of the technical scheme are as follows:
the diameter of a roller body at the upper end of the stepped roller 661 is smaller than that of a roller body at the lower end of the stepped roller 661, so that the roller body at the upper end of the stepped roller 661 can be in rolling fit with the outer wheel surface of the gear to be detected, the roller body at the lower end of the stepped roller 661 can be blocked on the lower end surface of the gear to be detected, and at the moment, the probe of the detection mechanism 1 is in contact with the upper end surface of the gear to be detected and is used for detection; the structure of the step roller 661 is arranged, so that the gear detection device is more stable in state when being mounted on a gear to be detected and is suitable for gears with different thicknesses, when the gear is used for gears with different thicknesses, the pressing top disk 663 can control the roller shaft 662 to slide downwards while compressing the compression spring 664, so that the step roller 661 is driven to move downwards, a roller body at the lower end of the step roller 661 can be clamped on the lower end face of the gear to be detected, a blocking limiting structure is formed, and the stability when the gear detection device is used is improved.
Example four
As shown in fig. 1 to 9, on the basis of the third embodiment, the telescopic rail mechanism 3 includes an inner rail 31, an outer rail 32, an inner bracket 33 and an outer bracket 34; the inner ends of the two inner slide rails 31 are relatively fixed on the inner support 33, the inner support 33 is fixed on the inner U-shaped support 61, the outer ends of the two inner slide rails 31 are respectively provided with a cross-shaped sliding groove with the inner sides opened, the inner ends of the two outer slide rails 32 slide in the two cross-shaped sliding grooves, the outer ends of the two outer slide rails 32 are fixed on the outer support 34, and the outer support 34 is fixed on the outer U-shaped support 62; the inner side, the top and the bottom of the inner slide rail 31 are coplanar with the inner side, the top and the bottom of the outer slide rail 32, and an adjustable slide way is formed between the two inner slide rails 31 and the two outer slide rails 32.
The working principle and the beneficial effects of the technical scheme are as follows:
the whole length of the telescopic guide rail mechanism 3 can be synchronously adjusted when the clamping table mechanism 6 is adjusted, so that an adjustable slide rail with a nonstop length range is formed between the two inner slide rails 31 and the two outer slide rails 32, the maximum range of the inner and outer reciprocating motion of the slide seat mechanism 2 is adjusted, the detection mechanism 1 can be in overall contact with the end faces of gears with different sizes, and the detection comprehensiveness and accuracy are improved; when the clamping table mechanism 6 is adjusted, the outer U-shaped frame 62 can drive the outer frame 34 to move in the inner and outer directions, so that the outer frame 34 drives the two outer slide rails 32 to slide in the two cross-shaped slide grooves, the size of an adjustable slide way formed between the two inner slide rails 31 and the two outer slide rails 32 is changed, and the gear flaw detection device is suitable for different gear flaw detection.
EXAMPLE five
As shown in fig. 1 to 9, on the basis of the fourth embodiment, the slide carriage mechanism 2 includes an i-shaped slide carriage 21, the i-shaped slide carriage 21 slides in an adjustable slide way formed between two inner slide rails 31 and two outer slide rails 32, and an inner side surface, a top surface, and a bottom surface of each inner slide rail 31 are in sliding fit with the i-shaped slide carriage 21; a vertical pipe 22 is connected in a longitudinal through hole in the middle of the I-shaped sliding seat 21, a multi-edge vertical rod 23 is in sliding fit with the vertical pipe 22, and the lower end of the multi-edge vertical rod 23 is connected with the detection mechanism 1; a disc seat 24 is fixed at the upper end of the multi-edge vertical rod 23, and an extension spring 25 is fixed between the disc seat 24 and the vertical pipe 22.
The working principle and the beneficial effects of the technical scheme are as follows:
the inner side surface, the top surface and the bottom surface of the inner slide rail 31 are in sliding fit with the I-shaped slide seat 21, so that the connection between the I-shaped slide seat 21 and the telescopic guide rail mechanism 3 is more stable; the I-shaped sliding seat 21 can perform reciprocating inner and outer sliding motion in the adjustable slideway under the matching control of the driving mechanism 5 and the transmission mechanism 4, so that the detection mechanism 1 is driven to be in contact with different positions of the end face of the gear to be detected, and flaw detection is performed; the polygonal vertical rod 23 can slide in the vertical pipe 22, and an extension spring 25 is fixed between a disc seat 24 at the upper end of the polygonal vertical rod 23 and the vertical pipe 22, so that the polygonal vertical rod 23 can drive the detection mechanism 1 to be pressed against the end face of the gear to be detected under the action of the elastic force of the extension spring 25, the contact tightness between the detection mechanism 1 and the end face of the gear to be detected is kept, and by coating a coupling agent on the end face of the detection gear, micro gaps between the detection mechanism 1 and the end face of the gear to be detected are reduced, micro air between the gaps does not influence the penetration of ultrasonic waves, and the acoustic impedance difference between the ultrasonic probe and the surface of the workpiece to be detected is reduced, so that the reflection loss of ultrasonic energy is reduced.
EXAMPLE six
As shown in fig. 1-9, on the basis of the fifth embodiment, the vertical tube 22 is rotated in the longitudinal through hole, and the inner end of the fastening screw 26 screwed on the i-shaped sliding seat 21 can be pressed against the vertical tube 22; the vertical pipe 22 is rotatably connected with an outer gear ring 27, an arc piece is fixed on the upper top surface of the outer gear ring 27, the arc piece is in threaded fit with a linkage inserted bar, and the inner end of the linkage inserted bar can be inserted into a linkage jack on the outer side surface of the vertical pipe 22; the outer side of the outer gear ring 27 is meshed with a linkage rack 28, and the linkage rack 28 is fixed on an inner slide rail 31 through a support; a through hole is formed in the center of the polygonal vertical rod 23, so that a couplant is conveyed through the through hole; the lower end of the polygonal vertical rod 23 is fixed with a smearing ring 29, and the bottom surface of the smearing ring 29 is coplanar with the bottom surface of the polygonal vertical rod 23.
The working principle and the beneficial effects of the technical scheme are as follows:
a through hole is formed in the center of the polygonal vertical rod 23, before flaw detection, when the detection mechanism 1 is not installed, the polygonal vertical rod 23 can be used as a couplant smearing mechanism, and a storage tank filled with the couplant is connected above the polygonal vertical rod 23 so as to convey the couplant to the end face of the gear to be detected through the through hole, so that the smearing work of the couplant is realized, and manual smearing is not needed; moreover, when the i-shaped sliding seat 21 moves in the inner and outer directions, the i-shaped sliding seat 21 can drive the vertical pipe 22 to move, the vertical pipe 22 can drive the outer gear ring 27 to move, and the outer gear ring 27 can drive the outer gear ring 27 to rotate around the axis of the outer gear ring 27 by being meshed with the linkage rack 28 when moving; when the inner end of the linkage inserted bar is inserted into a linkage jack on the outer side surface of the vertical pipe 22, the vertical pipe 22 and the outer gear ring 27 are relatively fixed, at the moment, the outer gear ring 27 rotates to drive the vertical pipe 22 to rotate, the vertical pipe 22 rotates to drive the polygonal vertical rod 23 to rotate, the polygonal vertical rod 23 can drive the smearing ring 29 to perform rotary motion when rotating, and the inner direction and the outer direction of the I-shaped sliding seat 21 are matched, so that the smearing ring 29 can rotationally smear a coupling agent on the end surface of a gear to be detected, the smearing of the coupling agent is uniform, the uniform smearing of the coupling agent has a lubricating effect, the friction between a probe of the detection mechanism 1 and the end surface of the gear to be detected is reduced, the probe of the detection mechanism 1 can perform more flexible sliding detection, and the service life of the probe of the detection mechanism 1 is prolonged; the multi-edge vertical rod 23 has multiple purposes, so that the equipment cost is effectively reduced, and the equipment functions are enriched.
EXAMPLE seven
As shown in fig. 1 to 9, in addition to the sixth embodiment, the detecting mechanism 1 includes an ultrasonic flaw detector, and a lower flange is provided at one end of the ultrasonic flaw detector, and the lower flange is connected to the smearing ring 29 through a bolt and a nut.
The working principle and the beneficial effects of the technical scheme are as follows: the ultrasonic flaw detector convenient to detach and mount is adopted, flaw detection work or couplant smearing work can be switched conveniently, operation is convenient, and practicability is high; the ultrasonic flaw detector is electrically connected with the upper computer to display flaw detection information on a display screen of the upper computer.
Example eight
As shown in fig. 1 to 9, on the basis of the seventh embodiment, the transmission mechanism 4 includes a transmission rack 41, one end of the transmission rack 41 is fixed on the i-shaped sliding seat 21, the middle portion of the transmission rack 41 slides in the transverse slide way of the inner bracket 33, the transmission rack 41 is engaged with the driving gear 42, the driving gear 42 is fixed on the linkage shaft 43, the linkage shaft 43 rotates on the inner bracket 33 through two bearing shaft brackets 44, and one end of the linkage shaft 43 is fixed with a friction disc 45 frictionally connected with the driving mechanism 5; the bearing bracket 44 is fixedly connected with one end of a return tension spring 46, and the other end of the return tension spring 46 is fixed on the I-shaped sliding seat 21.
The driving mechanism 5 comprises a power motor 51 fixed on an inner U-shaped frame 61 through a motor support, an incomplete gear 52 is fixed on an output shaft of the power motor 51, the incomplete gear 52 is in intermittent meshing transmission with a first gear 67 or a second gear 53, the second gear 53 is fixed on a wheel shaft 54, the wheel shaft 54 rotates on the inner U-shaped frame 61, a multi-edge slideway is arranged at the top of the wheel shaft 54, a multi-edge rotating rod 55 is in sliding fit in the multi-edge slideway, a friction wheel 56 is fixed on the multi-edge rotating rod 55, a variable-pitch adjusting screw 57 is rotatably connected in the multi-edge slideway, and the middle part of the variable-pitch adjusting screw 57 is in threaded fit in an internal thread through hole of the multi-edge rotating rod 55; the friction wheel 56 is vertically friction-driveably connected to the friction disk 45.
The working principle and the beneficial effects of the technical scheme are as follows:
according to the invention, the internal and external reciprocating sliding of the sliding seat mechanism 2 on the telescopic guide rail mechanism 3 and the surrounding displacement motion of the clamping table mechanism 6 on the gear to be detected can be realized only by one power motor 51 in the driving mechanism 5, so that the detection mechanism 1 can perform ultrasonic detection treatment on different positions on the end surface of the gear to be detected, and the detection on the internal structure and damage of the gear is effectively realized; after the power motor 51 is started, the incomplete gear 52 on the power motor 51 is driven to rotate, when the incomplete gear 52 rotates to be in contact with the first gear 67, the first gear 67 can be driven to rotate by a certain angle, so that the whole clamping table mechanism 6 is driven to roll for a certain distance on the gear to be detected, then the incomplete gear 52 continues to rotate, when the incomplete gear 52 rotates to be separated from the first gear 67 and is in contact with the second gear 53, the incomplete gear can be meshed with the first gear 53 to drive the second gear 53 to rotate, the second gear 53 can drive the wheel shaft 54 to rotate, the wheel shaft 54 drives the multi-edge rotating rod 55 to rotate through the multi-edge slideway when rotating, the multi-edge rotating rod 55 rotates to drive the friction wheel 56 to rotate, and the friction wheel 56 drives the friction disc 45 to rotate anticlockwise through friction transmission, when the friction disc 45 rotates anticlockwise, the driving gear 42 is driven to rotate anticlockwise, the driving gear 42 is meshed with the driving gear to drive the driving rack 41 to slide outwards, the driving rack 41 drives the I-shaped sliding seat 21 to slide from inside to outside, so that a probe of the ultrasonic flaw detector is in contact with different positions of the end face of the gear to be detected, different positions are detected, when the incomplete gear 52 rotates to the separation of the second gear 53, the I-shaped sliding seat 21 can move towards the center of the gear to be detected under the elastic force action of the reset tension spring 46 to reset, reciprocating motion detection is realized, secondary detection is realized, the detection accuracy is improved, the probe of the ultrasonic flaw detector returns to the original position, and the next detection treatment is facilitated; in the invention, the maximum distance of outward movement of the H-shaped slide seat 21 can be adjusted by rotating the variable pitch adjusting screw 57, so that gears with different sizes can be detected conveniently, the contact position of the variable pitch adjusting screw 57 and the multi-edge rotating rod 55 can be changed by rotating the variable pitch adjusting screw 57, so that the multi-edge rotating rod 55 is driven to slide in the multi-edge slide way, the contact position of the friction wheel 56 and the friction disc 45 is driven by the multi-edge rotating rod 55 to adjust, the transmission ratio is adjusted, and the maximum distance of outward movement of the H-shaped slide seat 21 is adjusted; in addition, in the invention, the distance for driving the clamping table mechanism 6 to move integrally by the driving mechanism 5 in each transmission is smaller, and the condition that the partial range of the probe of the ultrasonic flaw detector for next detection is overlapped with the partial range of the probe for last detection is met, so that the problem of missed detection is prevented, and the probe of the ultrasonic flaw detector is detected more comprehensively.
The partial gear 52 is a quarter gear.
And a tension spring is arranged between the multi-edge rotating rod 55 and the bottom surface of the multi-edge slideway, so that the stability of the relative motion between the multi-edge rotating rod 55 and the bottom surface of the multi-edge slideway is improved.
The invention relates to an on-line detection device for gear flaw detection, which further comprises:
a counter fixed on the inner U-shaped frame 61 to calculate the times of the probe of the ultrasonic flaw detector driven by the inner I-shaped slide seat 21 to perform reciprocating sliding motion, and the times is multiplied by the distance of the probe of the ultrasonic flaw detector performing reciprocating sliding once, so that the total distance of the probe of the ultrasonic flaw detector to perform detection motion can be obtained;
the pressure sensor is arranged between the ultrasonic flaw detector and the smearing ring 29 and is used for detecting the pressure born by the ultrasonic flaw detector during flaw detection;
the displacement sensor is arranged on the I-shaped sliding seat 21 and used for detecting whether the smearing ring 29 longitudinally displaces in the vertical direction or not, and when the downward displacement amplitude of the smearing ring 29 exceeds a preset amplitude, the abrasion loss of a probe of the ultrasonic flaw detector can be judged to be large;
the alarm is arranged on the inner U-shaped frame 61;
the temperature sensor is arranged on the I-shaped sliding seat 21 and used for detecting the actual temperature of a probe of the ultrasonic flaw detector during working;
the controller is arranged on the inner U-shaped frame 61 and is electrically connected with the alarm, the displacement sensor, the pressure sensor and the counter;
in the gear flaw detection online detection device, the probe of the ultrasonic flaw detector needs to be always in contact with the end face of the gear to be detected, so that the flaw detection accuracy is improved, the probe of the ultrasonic flaw detector is abraded due to continuous friction between the probe of the ultrasonic flaw detector and the end face of the gear to be detected along with the proceeding of flaw detection work, the service life of the probe of the ultrasonic flaw detector is influenced, and the calculation formula of the remaining service life of the probe of the ultrasonic flaw detector is as follows:
in the formula, the first step is that,
Q X the remaining service life of the probe of the ultrasonic flaw detector is prolonged;
q is the preset service life of the ultrasonic flaw detector when leaving the factory;
L a the total distance of the probe of the ultrasonic flaw detector in the invention, namely the total distance of the probe of the ultrasonic flaw detector and the end face of the gear to be detected in a friction motion, is as follows: rice;
L b the wear thickness L of the probe of the ultrasonic flaw detector of the present invention at 10 m of movement a ÷L b The actual wear thickness of the probe of the ultrasonic flaw detector after the end face of the gear to be detected is detected can be calculated;
h is the maximum abrasion thickness of a probe of the ultrasonic flaw detector preset in the invention;
y is the preset bearing pressure of the probe of the ultrasonic flaw detector detected by the pressure sensor during flaw detection;
w a the actual temperature of the probe of the ultrasonic flaw detector detected by the temperature sensor in the invention when working;
w b in accordance with the present inventionThe preset temperature of the probe of the medium ultrasonic flaw detector during working.
When the gear to be detected is detected, the probe of the ultrasonic flaw detector needs to be kept in close contact with the end face of the gear to be detected, so that the flaw detection accuracy is improved, the probe of the ultrasonic flaw detector is abraded due to continuous friction between the probe of the ultrasonic flaw detector and the end face of the gear to be detected along with the progress of flaw detection work, and the service life of the probe of the ultrasonic flaw detector is influenced by the abrasion degree of the probe of the ultrasonic flaw detector; the larger the pressure born by a probe of the ultrasonic flaw detector during flaw detection, the larger the actual abrasion degree and the shorter the residual service life; the higher the actual temperature of the probe of the ultrasonic flaw detector is in working, the larger the damage to the probe of the ultrasonic flaw detector is, and the shorter the residual service life is; through the calculation of above-mentioned multiple parameter, the probe surplus life who calculates the ultrasonic flaw detector that obtains is comparatively accurate, if the probe surplus life of ultrasonic flaw detector is less than predetermined life threshold, then controller control alarm sends alarm information, reminds the probe of ultrasonic flaw detector to need change to avoid treating the unusual problem of detection gear testing result, effectively guarantee to detect a flaw detection accuracy.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (10)
1. The utility model provides an on-line measuring device for gear flaw detection which characterized in that includes: the detection mechanism (1), the detection mechanism (1) is connected to the slide seat mechanism (2); the slide seat mechanism (2) slides on the telescopic guide rail mechanism (3) and is connected with a transmission mechanism (4) arranged on the telescopic guide rail mechanism (3); the transmission mechanism (4) is connected with the driving mechanism (5); the telescopic guide rail mechanism (3) is fixed on the clamping table mechanism (6); and the clamping table mechanism (6) is used for clamping the gear to be detected.
2. The on-line detection device for gear flaw detection according to claim 1, wherein the clamping table mechanism (6) comprises an inner U-shaped frame (61), an outer U-shaped frame (62) and an adjustable screw (63); the outer U-shaped frame (62) slides in the cross sliding grooves at the two ends of the inner U-shaped frame (61) through the cross sliding rails at the two ends, and the bottom surface of the inner U-shaped frame (61) is coplanar with the bottom surface of the outer U-shaped frame (62); the length-adjusting screw rod (63) rotates on the inner U-shaped frame (61), and the middle part of the length-adjusting screw rod (63) is in threaded transmission connection with a sliding block (64) fixed on the outer U-shaped frame (62); two inner clamping rollers (65) relatively rotate on the inner U-shaped frame (61), and a first gear (67) fixed on one inner clamping roller (65) is connected with the driving mechanism (5); an L-shaped frame is fixed at the bottom of the outer U-shaped frame (62), and an outer clamping roller (66) is rotatably connected to the L-shaped frame.
3. The on-line inspection device for gear flaw detection according to claim 2, wherein the outer nip roller (66) comprises a step roller (661), a diameter of an upper end roller body of the step roller (661) is smaller than a diameter of a lower end roller body of the step roller (661); the step roller (661) rotates at the lower end of the roller shaft (662), the middle of the roller shaft (662) rotates on the L-shaped frame, the top disc (663) is fixed at the upper end of the roller shaft (662), and the compression spring (664) is arranged between the top disc (663) and the L-shaped frame.
4. The on-line detection device for gear flaw detection according to claim 2, wherein the telescopic rail mechanism (3) comprises an inner rail (31), an outer rail (32), an inner bracket (33) and an outer bracket (34); the two inner sliding rails (31) are fixed on the inner support (33) relatively, the inner support (33) is fixed on the inner U-shaped support (61), the outer ends of the two inner sliding rails (31) are respectively provided with a cross sliding groove, the inner ends of the two outer sliding rails (32) slide in the two cross sliding grooves, the outer ends of the two outer sliding rails (32) are fixed on the outer support (34), and the outer support (34) is fixed on the outer U-shaped support (62).
5. The on-line detection device for gear flaw detection according to claim 4, wherein the slide carriage mechanism (2) comprises an I-shaped slide carriage (21), the I-shaped slide carriage (21) slides in an adjustable slide way formed between two inner slide rails (31) and two outer slide rails (32), and the inner side surface, the top surface and the bottom surface of each inner slide rail (31) are in sliding fit with the I-shaped slide carriage (21); a vertical pipe (22) is connected in a longitudinal through hole in the middle of the I-shaped sliding seat (21), a multi-edge vertical rod (23) is in sliding fit in the vertical pipe (22), and the lower end of the multi-edge vertical rod (23) is connected with the detection mechanism (1); a disc seat (24) is fixed at the upper end of the multi-edge vertical rod (23), and an extension spring (25) is fixed between the disc seat (24) and the vertical pipe (22).
6. The on-line detection device for gear flaw detection according to claim 5, characterized in that the vertical tube (22) rotates in the longitudinal through hole, and the inner end of a fastening screw (26) which is in threaded fit with the I-shaped sliding seat (21) can be pressed against the vertical tube (22); the vertical pipe (22) is rotatably connected with an outer gear ring (27), an arc piece is fixed on the upper top surface of the outer gear ring (27), the arc piece is in threaded fit with a linkage inserted bar, and the inner end of the linkage inserted bar can be inserted into a linkage jack on the outer side surface of the vertical pipe (22); the outer side of the outer gear ring (27) is meshed with a linkage rack (28), and the linkage rack (28) is fixed on the inner slide rail (31) through a support; a through hole is formed in the center of the multi-edge vertical rod (23) so as to convey the couplant through the through hole; the lower end of the multi-edge vertical rod (23) is fixed with a smearing ring (29), and the bottom surface of the smearing ring (29) is coplanar with the bottom surface of the multi-edge vertical rod (23).
7. The on-line detection device for gear flaw detection according to claim 6, characterized in that the detection mechanism (1) includes an ultrasonic flaw detector.
8. The on-line detection device for gear flaw detection according to claim 5, wherein the transmission mechanism (4) comprises a transmission rack (41), one end of the transmission rack (41) is fixed on the I-shaped sliding base (21), the middle part of the transmission rack (41) slides in a transverse slide way of the inner support (33), the transmission rack (41) is meshed with the driving gear (42), the driving gear (42) is fixed on a linkage shaft (43), the linkage shaft (43) rotates on the inner support (33) through two bearing shaft brackets (44), and one end of the linkage shaft (43) is fixed with a friction disc (45) in friction connection with the driving mechanism (5); the bearing bracket (44) is fixedly connected with one end of a reset tension spring (46), and the other end of the reset tension spring (46) is fixed on the I-shaped sliding seat (21).
9. The on-line detection device for gear flaw detection according to claim 8, wherein the driving mechanism (5) comprises a power motor (51) fixed on an inner U-shaped frame (61) through a motor support, an incomplete gear (52) is fixed on an output shaft of the power motor (51), the incomplete gear (52) is intermittently meshed with and drives a first gear (67) or a second gear (53), the second gear (53) is fixed on a wheel shaft (54), the wheel shaft (54) rotates on the inner U-shaped frame (61), a multi-edge slideway is arranged at the top of the wheel shaft (54), the multi-edge slideway is in sliding fit with the multi-edge rotating rod (55), a friction wheel (56) is fixed on the multi-edge rotating rod (55), the multi-edge slideway is rotatably connected with a variable-pitch adjusting screw rod (57), and the middle part of the variable-pitch adjusting screw rod (57) is in a through hole of an internal thread of the multi-edge rotating rod (55); the friction wheel (56) is vertically connected with the friction disc (45) in a friction transmission way.
10. The on-line detection device for gear flaw detection according to claim 9, wherein a tension spring is arranged between the multi-edge rotating rod (55) and the bottom surface of the multi-edge slideway.
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