CN113029557B - Intelligent portable detector for strength of transmission gear teeth - Google Patents
Intelligent portable detector for strength of transmission gear teeth Download PDFInfo
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- CN113029557B CN113029557B CN202110237248.XA CN202110237248A CN113029557B CN 113029557 B CN113029557 B CN 113029557B CN 202110237248 A CN202110237248 A CN 202110237248A CN 113029557 B CN113029557 B CN 113029557B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/021—Gearings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/027—Test-benches with force-applying means, e.g. loading of drive shafts along several directions
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to the technical field of gear detection, in particular to an intelligent portable detector for the strength of a transmission gear tooth, which comprises a detection platform, a pressure lever and an inductor, wherein the detection platform is provided with a pressure lever; because the plastic gear in the mechanical component has lower strength compared with the metal part, and the strength condition of the plastic gear is difficult to directly observe like the metal gear in the maintenance process of the mechanical component, the strength of the plastic gear is tested, the gear needs to be sent to a professional testing device of a detection mechanism, and the direct detection of a small number of gears is inconvenient; therefore, the worm shaft is driven to rotate by the pressure rod arranged in the detection table, a motor driving mode in detection is replaced, the strength of the gear arranged in the clamping cylinder is tested, the structural size of the gear detector is reduced, the applicability of the detector is improved by the clamping cylinder and the worm shaft, the positions of which are adjusted, and the using effect of the intelligent portable detector for the strength of the gear teeth of the transmission gear is improved.
Description
Technical Field
The invention relates to the technical field of gear detection, in particular to an intelligent portable detector for the strength of a transmission gear tooth.
Background
The gear and the transmission device thereof have wide application in mechanical equipment, the basic parts with large use amount are designed and manufactured horizontally, the performance quality of the mechanical equipment is related, along with the development of material technology, the plastic gear is also applied, the plastic gear has better lubricating property and wear resistance compared with a metal gear, the noise can be reduced, the cost can be reduced, for example, in parts such as a window lifter, a wiper and the like of an automobile, the plastic gear has a smaller transmission torque mechanism, and the condition of rainwater erosion does not need to be considered compared with the metal gear, so that the plastic gear has unique advantages.
After the existing plastic gear is used for a long time, the plastic gear is easy to be subjected to larger stress action when in transmission contact with a metal component due to lower strength of the plastic gear compared with metal parts in the mechanical component, and the strength condition of the plastic gear is difficult to be directly observed like the metal gear in the maintenance process of the mechanical component.
Some technical solutions related to the strength detection of the transmission gear teeth also appear in the prior art, for example, a chinese patent with application number CN202021032404.6 discloses a motor gear strength detection device, which includes: a simulation motor shaft and a simulation gear shaft; the simulation motor shaft and the simulation gear shaft are both provided with gears, and adjacent gears are meshed with each other; the analog load is used for providing a load force for the gear to block the rotation of the gear; simulating a loading torque on a motor shaft, transmitting the torque to a meshing gear by a gear on the motor shaft, wherein a corresponding torque value when the gear is damaged is an ultimate torque reflecting the strength of the gear; the motor gear strength detection device of the technical scheme can quickly detect the broken tooth strength of the motor gear mechanism in a non-electrified state, can be used for detecting the strength consistency of gear parts in a purchase and purchase stage, and can also be used for effectively analyzing the broken tooth strength of the gear parts with a small number of broken teeth; however, the technical scheme does not effectively solve the problems that the strength condition of the plastic gear is difficult to directly observe like a metal gear, and the professional test of the plastic gear is inconvenient for directly detecting a small number of plastic gears on the mechanical component maintenance site.
In view of this, the invention provides an intelligent portable detector for the strength of a transmission gear tooth, and solves the technical problems.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides the intelligent portable detector for the strength of the transmission gear teeth, the worm shaft is driven to rotate by the pressure rod arranged in the detection table, a motor driving mode in detection is replaced, the strength of the gear arranged in the clamping cylinder is tested, the structural size of the gear detector is reduced, the applicability of the detector is improved by the clamping cylinder and the worm shaft, the positions of which are adjusted, and the using effect of the intelligent portable detector for the strength of the transmission gear teeth is improved.
The invention relates to an intelligent portable detector for the strength of a transmission gear tooth, which comprises a detection platform, a pressure lever and an inductor; the bottom of the detection platform is provided with a fixed base, and the base protrudes out of the bottom edge of the detection platform; the top of the detection table is also provided with a table cover, and the interior of the detection table is also provided with a clamping cylinder; the clamping cylinder is used for mounting the gear to be detected, the bottom of the clamping cylinder is also provided with a column spring, the bottom end of the column spring is fixed on the clamping cylinder, and the top end of the column spring is used for bearing the gear to be detected; the mounting height position of the gear to be detected is adjusted by the clamping cylinder through a column spring, a push rod is further arranged in the detection table outside the clamping cylinder, and end plates are arranged on the detection table at two ends of the push rod; the ejector rod is slidably arranged in the through groove on the end plate, and the middle part of the ejector rod is also provided with a worm shaft; the end plate is also provided with an adjusting screw rod in the length direction, and the adjusting screw rod is connected with the end part of the ejector rod through a bearing; the end part of the ejector rod extending out of the detection table is also provided with a pressure rod, and the pressure rod drives the worm shaft to rotate through the ejector rod; the ejector rod is also provided with a reduction box at the end of the pressure rod; the worm shaft is in meshing contact with a gear arranged on the clamping barrel, and the acting force applied to the pressure lever is transmitted to the gear by the worm shaft; the pressure lever is arranged on the ejector rod through the ratchet disc, and the lever arm of the pressure lever can also be adjusted in a telescopic way; the sensor is used for monitoring the stress value of the gear on the clamping cylinder;
in the prior art, because the plastic gear in the mechanical component has lower strength compared with a metal part, the plastic gear is easy to be subjected to larger stress when in transmission contact with the metal component, and the strength condition of the plastic gear is difficult to be directly observed like the metal gear in the maintenance process of the mechanical component;
therefore, the invention uses the clamping cylinder arranged in the detection platform, after the gear to be tested is installed, the force is manually applied to the pressure lever to drive the worm shaft on the ejector rod to rotate, then the gear on the clamping cylinder is driven to rotate, the gear is fixed between the clamping cylinder and the platform cover, at the moment of breaking through the strength limit of the gear, the sensor calculates the strength parameter by monitoring the stress value of the gear, and the detection platform can detect the gears with different diameters and thicknesses by operating the column spring below the clamping cylinder and matching the adjusting screw on the end plate, and after the length of the pressure lever is adjusted, the acting force transmitted by the pressure lever is amplified by the reduction box, the moment is increased by the extended pressure lever, the driving force transmitted to the worm shaft is amplified, and the pressure lever is installed on the ejector rod through the disc, so as to control the angle posture of the ratchet pressure lever when applying force, the manual force application effect is further enhanced, the detection table can provide enough stress values for the gear with the strength to be tested conveniently, and the base arranged below the detection table reduces the volume of the detection table and enhances the portability of the detector on the premise of ensuring the structural stability of the detection table; according to the intelligent portable detecting instrument, the compression rod arranged in the detecting platform is used for driving the worm shaft to rotate, a motor driving mode in detection is replaced, the strength of the gear arranged in the clamping cylinder is tested, the structural size of the gear detecting instrument is reduced, the applicability of the detecting instrument is improved by the clamping cylinder and the worm shaft, the positions of which are adjusted, and therefore the using effect of the intelligent portable detecting instrument for the strength of the transmission gear teeth is improved.
Preferably, the center of the clamping cylinder is also provided with a limiting shaft, and the limiting shaft is fixed at the top of the column spring; the upper part of the limiting shaft is an inclined conical surface, and the lower part of the limiting shaft is an inwards concave cambered surface; a backing ring is arranged below the clamping cylinder, is positioned at the outer side of the column spring and is parallel to the top end of the concave cambered surface of the limiting shaft; a barrel spring is fixedly connected between the backing ring and the detection platform below the backing ring, and the rotation directions of the barrel spring and the column spring are opposite; when the device works, after a gear to be detected is installed on the clamping barrel, the gear is installed on the limiting shaft through the limiting shaft at the center of the clamping barrel and is matched with the column spring to adjust the height of the clamping barrel, the conical surface at the upper part of the limiting shaft is convenient to adapt to different apertures, the concave cambered surface at the lower part of the limiting shaft is used for directly placing the end surface of the gear on the backing ring when the aperture of the shaft of the gear to be detected is larger, the interference of the limiting shaft on the movement of the gear hole is reduced, after the clamping barrel finishes the positioning of the gear hole, the extrusion of the gear is transmitted to the column spring below the backing ring through the closed table cover, the position state of the gear on the clamping barrel is further stabilized, the limiting shaft and the backing ring are respectively used for positioning the gears with different sizes by the clamping barrel, the rotation directions of the column spring are opposite to the column spring, after the backing ring is pressed down, the tangential acting force on the clamping barrel can be reduced, and the influence on the stress monitoring precision of the gear is reduced, thereby the result of use of the portable detector of transmission gear tooth intensity intelligence has been promoted.
Preferably, a key shaft is further arranged above the clamping cylinder, the key shaft is mounted on a cover plate rotating in the table cover, and the key shaft is abutted into a key groove of the gear hole for limiting; the during operation, need ensure that the gear of test is in the fixed position between clamping section of thick bamboo and stage cover, through setting up the key shaft on the stage cover, the card goes into in the keyway in gear hole, and install on the head disk in the stage cover through the key shaft, after detecting the platform with stage cover closure, utilize the column spring of spacing axle bottom, make the bottom of key shaft support into the draw-in groove in gear hole through rotating the head disk, gear completion installation in the clamping section of thick bamboo is judged through hearing the sound that the key shaft supported into gear hole keyway when the operation, thereby the convenience of transmission gear tooth intensity testing in-process gear installation has been promoted.
Preferably, the end face of the key shaft of the cover plate is further provided with a sliding groove, and the sliding groove is used for enabling the key shaft to move in the radial direction of the cover plate; the end face of the cover disc on the outer side of the table cover is also provided with a locking nut, the side wall of the cover disc is also provided with a sliding gasket, the gasket changes the protruding state on the cover disc under the adjustment of the locking nut, and then the contact state between the cover disc and the table cover is controlled through the locking nut; a screw rod is further arranged in the sliding groove, one end of the screw rod is meshed and connected in the key shaft, and the other end of the screw rod extends into the cover disc; the upper end surface of the cover disc is also provided with an inner hexagonal screw, and the bottom end of the inner hexagonal screw is in transmission connection with the end part of the screw rod through a bevel gear group; during operation, the elastic deformation of the column spring and the barrel spring in the clamping barrel is used for being suitable for gears with different thicknesses, the protruding state of the gasket on the side wall of the cover plate is controlled through the locking nut arranged on the cover plate, the contact state between the cover plate and the platform cover is further changed, the cover plate is enabled to be in a rotating or locking state in the platform cover, after the key shaft is pushed into the key groove of the gear hole by rotating the cover plate, the rotation of the cover plate on the cover plate is locked, the positioning of the gear to be tested in the clamping barrel is completed, the radial position of the key shaft on the cover plate is adjusted through the screw rod arranged on the sliding groove, the key shaft is enabled to be suitable for the key grooves on different diameters of the gear hole, the bevel gear group in transmission connection between the screw rod and the hexagon screw rod on the platform cover is utilized, the position of the key shaft on the key groove corresponding to the gear hole is accurately adjusted, and the use effect of the intelligent portable detector for the strength of the transmission gear is improved.
Preferably, the top rod further comprises a driving rod and a driven rod; the driving rod extends to the outside of the detection table and is connected with the pressure rod; the driven rod is also provided with an axial spring, and the driven rod is separated from the driving rod through the axial spring and is used for disassembling and replacing the worm shaft; when the gear is in work, the sizes of the gear teeth on the gear are different due to the fact that the gear has different modulus standards; through the axial spring that sets up in the driven lever, make the driven lever break away from the contact with the worm axle, and then select the worm axle of different tooth spacing, the adaptation is in the teeth of a cogwheel size of waiting to detect the gear difference, and then has increased the application scope of detector to the gear model to the result of use of the portable detector of transmission gear tooth intensity intelligence has been maintained.
Preferably, the driving rod is further provided with a torque wrench, and the driving rod is connected with the pressure rod through the torque wrench; the pressing rod is also provided with a folding base plate, the end part of the base plate is hinged on the pressing rod, and the base plate is used for treading feet after being opened; when the device works, the force applied to the detection gear manually is difficult to accurately control the force, and the generated force value is limited; through setting up the torque wrench between driving lever and depression bar, set up the stress value size that detects gear strength, after detecting the gear and satisfying required intensity, through on torque wrench under the pretightning force overload protection who sets for, avoid transmitting the epaxial too big stress of worm and destroy the gear structure who detects, simultaneously after the backing plate with on the depression bar expandes, trample the foot on it as the stress of transmission to the worm axle, the upper limit that can detect gear strength parameter value has been increased, thereby the application scope of the portable detector of transmission gear tooth intensity intelligence has been promoted.
The invention has the following beneficial effects:
1. according to the gear detector, the worm shaft is driven to rotate by the pressure rod arranged in the detection table, a motor driving mode in detection is replaced, the strength of the gear arranged in the clamping cylinder is tested, the structural size of the gear detector is reduced, and the applicability of the detector is improved by the clamping cylinder and the worm shaft, wherein the positions of the clamping cylinder and the worm shaft are adjusted.
2. According to the invention, after the gear to be detected is mounted on the clamping barrel, the height of the clamping barrel is adjusted by matching with the column spring, so that the gear is mounted on the limiting shaft, the interference of the limiting shaft on the movement of the gear hole is reduced, the position state of the gear on the clamping barrel is further stabilized, the limiting shaft and the backing ring are respectively used for positioning gears with different sizes by the clamping barrel, and the rotation directions of the column spring and the column spring are opposite, so that the tangential acting force on the clamping barrel can be reduced after the backing ring is pressed down, and the influence on the stress monitoring precision of the gear is reduced.
3. According to the invention, the contact state between the cover plate and the table cover is controlled through the locking nut arranged on the cover plate, the positioning of the gear to be tested in the clamping cylinder is completed after the cover plate is rotated to enable the key shaft to be abutted into the key groove of the gear hole, the position of the key shaft in the radial direction of the cover plate is adjusted through the screw rod arranged on the sliding groove, so that the key shaft is suitable for the key grooves on different gear hole diameters, and the position of the key shaft on the key groove of the gear hole is accurately adjusted by utilizing the bevel gear group in transmission connection between the screw rod and the inner hexagonal screw rod on the table cover.
Drawings
The invention is further described with reference to the following figures and embodiments.
FIG. 1 is a perspective view of the intelligent portable detector for the strength of the gear teeth of the transmission gear in the invention;
FIG. 2 is an exploded view of the inspection station components of the present invention;
FIG. 3 is a cross-sectional view of a cartridge component of the present invention;
FIG. 4 is a perspective view of the cover tray assembly of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 1 at A;
in the figure: the detection device comprises a detection table 1, a base 11, a table cover 12, a pressure lever 2, a ratchet disc 21, a base plate 22, a clamping cylinder 3, a column spring 31, a limiting shaft 32, a backing ring 33, a cylinder spring 34, a top rod 4, a worm shaft 41, a reduction box 42, a driving rod 43, a torque wrench 431, a driven rod 44, an axial spring 441, an end plate 5, an adjusting screw 51, a key shaft 6, a cover disc 61, an inner hexagonal screw 611, a sliding groove 62, a screw 621, a locking nut 63 and a bevel gear set 64.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, the intelligent portable detector for the strength of the transmission gear teeth comprises a detection table 1, a pressure lever 2 and a sensor; the bottom of the detection platform 1 is provided with a fixed base 11, and the base 11 protrudes out of the bottom edge of the detection platform 1; the top of the detection table 1 is also provided with a table cover 12, and the interior of the detection table 1 is also provided with a clamping cylinder 3; the clamping cylinder 3 is used for mounting a gear to be detected, a column spring 31 is further arranged at the bottom of the clamping cylinder 3, the bottom end of the column spring 31 is fixed on the clamping cylinder 3, and the top end of the column spring 31 is used for bearing the gear to be detected; the mounting height position of the gear to be detected is adjusted by the clamping cylinder 3 through a column spring 31, an ejector rod 4 is further arranged in the detection table 1 on the outer side of the clamping cylinder 3, and end plates 5 are arranged at two ends of the ejector rod 4 on the detection table 1; the ejector rod 4 is slidably arranged in a through groove on the end plate 5, and a worm shaft 41 is also arranged in the middle of the ejector rod 4; the end plate 5 is also provided with an adjusting screw 51 in the length direction, and the adjusting screw 51 is connected with the end part of the ejector rod 4 through a bearing; the end part of the ejector rod 4 extending out of the detection table 1 is also provided with a pressure lever 2, and the pressure lever 2 drives the worm shaft 41 to rotate through the ejector rod 4; the ejector rod 4 is also provided with a reduction box 42 at the end of the compression bar 2; the worm shaft 41 is in meshing contact with a gear arranged on the clamping cylinder 3, and the acting force applied to the pressure lever 2 is transmitted to the gear by the worm shaft 41; the pressure lever 2 is arranged on the ejector rod 4 through a ratchet disc 21, and the lever arm of the pressure lever 2 can also be adjusted in a telescopic mode; the sensor is used for monitoring the stress value of the gear on the clamping cylinder 3;
in the prior art, because the plastic gear in the mechanical component has lower strength compared with a metal part, the plastic gear is easy to be subjected to larger stress when in transmission contact with the metal component, and the strength condition of the plastic gear is difficult to be directly observed like the metal gear in the maintenance process of the mechanical component;
therefore, the invention uses the clamping cylinder 3 arranged in the detection platform 1, after the gear to be tested is installed, the force is applied to the pressure lever 2 by hand, the worm shaft 41 on the ejector rod 4 is driven to rotate, then the gear on the clamping cylinder 3 is driven to rotate, the gear is fixed between the clamping cylinder 3 and the platform cover 12, at the moment of breaking through the strength limit of the gear, the sensor calculates the strength parameter by monitoring the stress value of the gear, and the detection platform 1 can detect the gears with different diameters and thicknesses by operating the column spring 31 below the clamping cylinder 3 and matching the adjusting screw 51 on the end plate 5, and after the length of the extension of the pressure lever 2 is adjusted, the acting force transmitted by the pressure lever 2 is amplified by the reduction box 42, the moment is increased by the extension pressure lever 2, the driving force transmitted to the worm shaft 41 is amplified, and the pressure lever 2 is installed on the ejector rod 4 through the fluted disc 21, the angle posture of the pressure lever 2 during force application can be controlled, the manual force application effect is further enhanced, the detection table 1 can provide enough stress values for the gears with the tested strength conveniently, the base 11 arranged below the detection table 1 reduces the volume of the detection table 1 on the premise of ensuring the structural stability of the detection table, and the portability of the detector is enhanced; the invention utilizes the pressure lever 2 arranged in the detection platform 1 to drive the worm shaft 41 to rotate, replaces a motor driving mode in detection, tests the strength of the gear arranged in the clamping cylinder 3, reduces the structural size of the gear detector, and utilizes the clamping cylinder 3 and the worm shaft 41 which are adjusted in position to increase the applicability of the detector, thereby improving the using effect of the intelligent portable detector for the strength of the gear teeth of the transmission gear.
As an embodiment of the present invention, the clamping cylinder 3 is further provided with a limiting shaft 32 at the center, and the limiting shaft 32 is fixed on the top of the column spring 31; the upper part of the limiting shaft 32 is an inclined conical surface, and the lower part of the limiting shaft 32 is a concave cambered surface; a backing ring 33 is further arranged below the clamping cylinder 3, and the backing ring 33 is positioned on the outer side of the column spring 31 and is parallel to the top end of the concave cambered surface of the limiting shaft 32; a barrel spring 34 is fixedly connected between the backing ring 33 and the lower detection table 1, and the rotation directions of the barrel spring 34 and the column spring 31 are opposite; when the gear testing device works, after a gear to be tested is arranged on the clamping barrel 3, the gear is arranged on the limiting shaft 32 through the limiting shaft 32 at the center of the clamping barrel 3 and is matched with the column spring 31 to adjust the height of the clamping barrel 3, the conical surface at the upper part of the limiting shaft 32 is convenient to adapt to different apertures, the concave cambered surface at the lower part of the limiting shaft 32 is used for directly placing the end surface of the gear on the backing ring 33 when the aperture of the shaft of the testing gear is larger, the interference of the limiting shaft 32 on the movement of the gear aperture is reduced, after the clamping barrel 3 finishes the positioning of the gear aperture, the extrusion of the gear through the closed table cover 12 is transmitted to the cylinder spring 34 below the backing ring 33, the position state of the gear on the clamping barrel 3 is further stabilized, the limiting shaft 32 and the backing ring 33 are respectively used for positioning the gears with different sizes by the clamping barrel 3, the opposite rotation directions of the cylinder spring 34 and the column spring 31, and after the backing ring 33 is pressed down, the tangential acting force on the clamping barrel 3 can be reduced, the influence on the stress monitoring precision of the gear is reduced, and therefore the using effect of the intelligent portable detector for the strength of the gear teeth of the transmission gear is improved.
As an embodiment of the present invention, a key shaft 6 is further provided above the clamping cylinder 3, the key shaft 6 is mounted on a cover plate 61 rotating in the table cover 12, and the key shaft 6 is abutted into a key groove of a gear hole for limiting; during operation, need to ensure that the gear of test is in the fixed position between clamping barrel 3 and stage cover 12, through setting up key shaft 6 on stage cover 12, the card is gone into in the keyway in gear hole, and install on the head disc 61 in stage cover 12 through key shaft 6, close stage cover 12 and examine test table 1 after, utilize column spring 31 of spacing axle 32 bottom, through rotating the head disc 61 make the bottom of key shaft 6 support into the draw-in groove in gear hole, judge the gear completion installation in clamping barrel 3 through hearing the sound that key shaft 6 supported into gear hole keyway during the operation, thereby the convenience of gear installation in the transmission gear tooth intensity testing process has been promoted.
As an embodiment of the present invention, the cover plate 61 is further provided with a sliding groove 62 on the end surface of the key shaft 6, and the sliding groove 62 is used for the key shaft 6 to move in the radial direction of the cover plate 61; the end face of the cover disc 61 on the outer side of the table cover 12 is further provided with a locking nut 63, the side wall of the cover disc 61 is further provided with a sliding gasket, the protruding state of the gasket on the cover disc 61 is changed under the adjustment of the locking nut 63, and the contact state between the cover disc 61 and the table cover 12 is further controlled through the locking nut 63; a screw 621 is further arranged in the sliding groove 62, one end of the screw 621 is engaged and connected in the key shaft 6, and the other end of the screw 621 extends into the cover plate 61; the upper end surface of the cover disc 61 is also provided with an inner hexagonal screw 611, and the bottom end of the inner hexagonal screw 611 is in transmission connection with the end of the screw 621 through a bevel gear set 64; in operation, the elastic deformation of the column spring 31 and the barrel spring 34 in the clamping barrel 3 is used for being suitable for gears with different thicknesses, the protruding state of the spacer on the side wall of the cover plate 61 is controlled by a lock nut 63 provided on the cover plate 61, thereby changing the contact state between the cover plate 61 and the table cover 12, enabling the cover plate 61 to be in a rotating or locking state in the table cover 12, after the cover plate 61 is rotated to push the key shaft 6 into the key groove of the gear hole, the cover plate 61 is locked to rotate on the cover table to complete the positioning of the gear to be tested in the clamping cylinder 3, and the position of the key shaft 6 in the radial direction of the cover plate 61 is adjusted by the screw 621 provided in the slide groove 62, so that the key shaft 6 is adapted to the key grooves on different gear hole diameters, and the bevel gear group 64 in transmission connection between the screw 621 and the hexagonal socket screw 611 on the table cover 12 is utilized to accurately adjust the position of the key shaft 6 on the key groove corresponding to the gear hole, so that the use effect of the intelligent portable detector for the strength of the transmission gear teeth is improved.
As an embodiment of the present invention, the ram 4 further includes a driving rod 43 and a driven rod 44; the active rod 43 extends to the outside of the detection table 1 and is connected with the pressure rod 2; the driven rod 44 is further provided with an axial spring 441, and the driven rod 44 is separated from the driving rod 43 through the axial spring 441 and is used for dismounting and replacing the worm shaft 41; when the gear is in work, the sizes of the gear teeth on the gear are different due to the fact that the gear has different modulus standards; through the axial spring 441 arranged in the driven rod 44, the driven rod 44 is separated from the contact with the worm shaft 41, so that the worm shaft 41 with different tooth pitches is selected to be adapted to different gear tooth sizes of the gear to be detected, the application range of the intelligent portable detector for the gear type is further expanded, and the using effect of the intelligent portable detector for the gear tooth strength of the transmission is maintained.
As an embodiment of the present invention, a torque wrench 431 is further disposed on the active rod 43, and the active rod 43 is connected to the pressure rod 2 through the torque wrench 431; the pressing rod 2 is also provided with a folding backing plate 22, the end part of the backing plate 22 is hinged on the pressing rod 2, and the backing plate 22 is used for foot treading after being opened; when the device works, the force applied to the detection gear manually is difficult to accurately control the force, and the generated force value is limited; through setting up the torque wrench 431 between active lever 43 and depression bar 2, set up the stress value size that detects gear strength, after the detection gear satisfies required intensity, under the pretightning force overload protection through setting for on torque wrench 431, avoid transmitting the gear structure that the worm axle 41 goes up too big stress and destroys the detection, after expanding backing plate 22 on depression bar 2 simultaneously, trample the foot on as the stress of transmission to worm axle 41, the upper limit that can detect gear strength parameter value has been increased, thereby the application scope of the portable detector of transmission gear tooth intensity intelligence has been promoted.
When the testing device works, after a gear to be tested is installed through the clamping cylinder 3 arranged in the testing table 1, a force is manually applied to the pressure lever 2 to drive the worm shaft 41 on the ejector rod 4 to rotate, so that the gear on the clamping cylinder 3 is driven to rotate, the gear is fixed between the clamping cylinder 3 and the table cover 12, at the moment of breaking through the strength limit of the gear, the sensor calculates the strength parameter of the gear through monitoring the stress value of the gear, the column spring 31 below the clamping cylinder 3 is operated to match with the adjusting screw 51 on the end plate 5, so that the testing table 1 can test the gears with different diameters and thicknesses, after the extension length of the pressure lever 2 is adjusted, the acting force transmitted by the pressure lever 2 is amplified by the reduction gearbox 42, the moment is increased by the extended pressure lever 2, the driving force transmitted to the worm shaft 41 is amplified, and the pressure lever 2 is installed on the ejector rod 4 through the ratchet disc 21, the angle posture of the pressure lever 2 during force application can be controlled, the manual force application effect is further enhanced, the detection table 1 can provide enough stress values for the gears with the tested strength conveniently, the base 11 arranged below the detection table 1 reduces the volume of the detection table 1 on the premise of ensuring the structural stability of the detection table, and the portability of the detector is enhanced; the gear is arranged on the limiting shaft 32 by the aid of the limiting shaft 32 in the center of the clamping barrel 3 and matched with the height adjustment of the column spring 31 on the clamping barrel 3, the conical surface of the upper portion of the limiting shaft 32 is convenient to adapt to different hole diameters, the concave arc surface of the lower portion of the limiting shaft 32 is used for directly placing the end face of the gear on the backing ring 33 when the hole diameter of the shaft of the tested gear is large, interference of the limiting shaft 32 on movement of the gear hole is reduced, after the clamping barrel 3 completes positioning of the gear hole, the gear is extruded by the closed table cover 12 and transmitted to the barrel spring 34 below the backing ring 33, the position state of the gear on the clamping barrel 3 is further stabilized, the limiting shaft 32 and the backing ring 33 are respectively used for positioning gears of the clamping barrel 3 with different sizes, the barrel spring 34 and the column spring 31 are in opposite rotation directions, and tangential acting force borne by the clamping barrel 3 can be reduced after the backing ring 33 is pressed down; the key shaft 6 arranged on the table cover 12 is clamped into a key groove of a gear hole and is installed on a cover disc 61 in the table cover 12 through the key shaft 6, after the table cover 12 is closed to the detection table 1, the bottom end of the key shaft 6 is abutted into the clamping groove of the gear hole by rotating the cover disc 61 through a column spring 31 at the bottom of the limiting shaft 32, and the installation of the gear in the clamping barrel 3 is judged by hearing the sound of the abutment of the key shaft 6 into the key groove of the gear hole during operation; the locking nut 63 arranged on the cover disc 61 controls the protruding state of the gasket on the side wall of the cover disc 61, and further changes the contact state between the cover disc 61 and the table cover 12, so that the cover disc 61 is in a rotating or locking state in the table cover 12, after the cover disc 61 is rotated to enable the key shaft 6 to be abutted into the key groove of the gear hole, the rotation of the cover disc 61 on the cover table is locked, the positioning of the gear to be tested in the clamping barrel 3 is completed, the position of the key shaft 6 in the radial direction of the cover disc 61 is adjusted through the screw rod 621 arranged on the sliding groove 62, so that the key shaft 6 is suitable for the key grooves on different gear hole diameters, and the position of the key shaft 6 on the key groove of the gear hole is accurately adjusted by utilizing the bevel gear group 64 in transmission connection between the screw rod 621 and the inner hexagonal screw rod 611 on the table cover 12.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A transmission gear tooth strength intelligent portable detector comprises a detection table (1), a pressure lever (2) and an inductor; the method is characterized in that: the bottom of the detection table (1) is provided with a fixed base (11), and the base (11) protrudes out of the bottom edge of the detection table (1); the top of the detection table (1) is also provided with a table cover (12), and the interior of the detection table (1) is also provided with a clamping cylinder (3); the clamping cylinder (3) is used for mounting the gear to be detected, a column spring (31) is further arranged at the bottom of the clamping cylinder (3), the bottom end of the column spring (31) is fixed on the clamping cylinder (3), and the top end of the column spring (31) is used for bearing the gear to be detected; the mounting height position of the gear to be detected is adjusted by the clamping cylinder (3) through a column spring (31), an ejector rod (4) is further arranged in the detection table (1) on the outer side of the clamping cylinder (3), and end plates (5) are arranged at two ends of the ejector rod (4) on the detection table (1); the ejector rod (4) is slidably arranged in a through groove on the end plate (5), and a worm shaft (41) is also arranged in the middle of the ejector rod (4); the end plate (5) is also provided with an adjusting screw rod (51) in the length direction, and the adjusting screw rod (51) is connected with the end part of the ejector rod (4) through a bearing; the end part of the ejector rod (4) extending out of the detection table (1) is also provided with a pressure lever (2), and the pressure lever (2) drives the worm shaft (41) to rotate through the ejector rod (4); the ejector rod (4) is also provided with a reduction gearbox (42) at the end of the compression bar (2); the worm shaft (41) is in meshed contact with a gear arranged on the clamping cylinder (3), and acting force applied to the pressure lever (2) is transmitted to the gear by the worm shaft (41); the pressure lever (2) is arranged on the ejector rod (4) through a ratchet disc (21), and the lever arm of the pressure lever (2) can also be adjusted in a telescopic mode; the sensor is used for monitoring the stress value of the gear on the clamping cylinder (3).
2. The intelligent portable detector of transmission gear tooth intensity of claim 1, characterized in that: the center of the clamping cylinder (3) is also provided with a limiting shaft (32), and the limiting shaft (32) is fixed at the top of the column spring (31); the upper part of the limiting shaft (32) is an inclined conical surface, and the lower part of the limiting shaft (32) is an inwards concave cambered surface; a backing ring (33) is further arranged below the clamping cylinder (3), and the backing ring (33) is positioned on the outer side of the column spring (31) and is parallel to the top end of the concave cambered surface of the limiting shaft (32); a barrel spring (34) is fixedly connected between the backing ring (33) and the detection platform (1) below, and the rotation directions of the barrel spring (34) and the column spring (31) are opposite.
3. The intelligent portable detector of transmission gear tooth intensity of claim 2, characterized in that: a key shaft (6) is further arranged above the clamping barrel (3), the key shaft (6) is installed on a cover plate (61) rotating in the table cover (12), and the key shaft (6) is abutted into a key groove of the gear hole for limiting.
4. The intelligent portable detector of transmission gear tooth intensity of claim 3, characterized in that: the cover plate (61) is also provided with a sliding groove (62) on the end surface of the key shaft (6), and the sliding groove (62) is used for the key shaft (6) to move in the radial direction of the cover plate (61); the end face of the table cover (12) of the cover disc (61) is further provided with a locking nut (63), the side wall of the cover disc (61) is further provided with a sliding gasket, the protruding state of the gasket on the cover disc (61) is changed under the adjustment of the locking nut (63), and then the contact state between the cover disc (61) and the table cover (12) is controlled through the locking nut (63); a screw rod (621) is further arranged in the sliding groove (62), one end of the screw rod (621) is meshed and connected in the key shaft (6), and the other end of the screw rod (621) extends into the cover disc (61); the upper end face of the cover disc (61) is further provided with an inner hexagonal screw (611), and the bottom end of the inner hexagonal screw (611) is in transmission connection with the end of the screw rod (621) through a bevel gear set (64).
5. The intelligent portable detector of transmission gear tooth intensity of claim 1, characterized in that: the ejector rod (4) further comprises a driving rod (43) and a driven rod (44); the active rod (43) extends to the outside of the detection table (1) and is connected with the pressure rod (2); the driven rod (44) is further provided with an axial spring (441), and the driven rod (44) is separated from the driving rod (43) through the axial spring (441) and is used for disassembling and replacing the worm shaft (41).
6. The intelligent portable detector of transmission gear tooth intensity of claim 5, characterized in that: the driving rod (43) is also provided with a torque wrench (431), and the driving rod (43) is connected with the pressure rod (2) through the torque wrench (431); still be equipped with folding backing plate (22) on depression bar (2), the tip of backing plate (22) articulates on depression bar (2), and backing plate (22) are used for the foot to trample after opening.
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| CN105092242A (en) * | 2015-08-13 | 2015-11-25 | 宁波新世达精密机械有限公司 | Static test board for plastic gear |
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Denomination of invention: An intelligent portable tester for transmission gear tooth strength Effective date of registration: 20220406 Granted publication date: 20211001 Pledgee: Zhejiang Shaoxing Ruifeng Rural Commercial Bank Co.,Ltd. Wangtan sub branch Pledgor: ZHEJIANG JIEZHONG SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2022330000465 |
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Date of cancellation: 20230906 Granted publication date: 20211001 Pledgee: Zhejiang Shaoxing Ruifeng Rural Commercial Bank Co.,Ltd. Wangtan sub branch Pledgor: ZHEJIANG JIEZHONG SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2022330000465 |