CN114923451B - Cone hub unit play detection and assembly equipment and detection method - Google Patents
Cone hub unit play detection and assembly equipment and detection method Download PDFInfo
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- CN114923451B CN114923451B CN202210576356.4A CN202210576356A CN114923451B CN 114923451 B CN114923451 B CN 114923451B CN 202210576356 A CN202210576356 A CN 202210576356A CN 114923451 B CN114923451 B CN 114923451B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/16—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance of clearance between spaced objects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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Abstract
The application discloses detection and equipment of cone hub unit play, including the mounting bracket, be fixed with the mounting panel that is the level setting on the mounting bracket, be provided with detection device on the mounting panel and with detection device's outer lane, detection device and outer lane all include three group, are used for detecting the axial play of inner circle standard part and dabber standard part respectively, are used for detecting the axial play of inner circle standard part and dabber and are used for detecting the axial play of inner circle and dabber standard part. The application has the effect of being convenient for detect and the assembly axle hub.
Description
Technical Field
The application relates to the field of bearing detection devices, in particular to a conical hub unit play detection and assembly device and a conical hub unit play detection method.
Background
The automobile hub bearing is one of the bearings, and its main function is to bear load and provide accurate guidance for the rotation of the hub. The double-row tapered roller bearing is used as one of the automobile hub bearings, the rotating speed in the working process is not high, but the rotating speed in the working process of the double-row tapered roller bearing is not high, but larger radial and axial loads are needed to bear, and in use, the two rows of rollers are required to be uniformly stressed, so that the distance between the end faces of the two inner rings is measured during assembly, so that the mandrel is accurately prepared, and the double-row tapered roller bearing is an important link for ensuring that the axial clearance meets the requirement.
Referring to fig. 1, the hub bearing to be produced comprises an inner ring 1, a mandrel 3 penetrating through the inner ring 1 and an outer ring 2 sleeved on the outer side of the inner ring 1. In the production and processing process, the size of the outer ring 2 is a fixed value, after the product processing is finished, the inner ring 1 and the outer ring 2 are fixed and then act on the mandrel 3 to push the mandrel 3 to move along the axial direction of the mandrel 3, and the distance of the mandrel 3 moving along the axial direction of the mandrel 1 relative to the inner ring is also called the axial clearance of the hub bearing, so that whether the axial clearance of the hub bearing meets the standard is obtained.
In the process of realizing the application, the inventor finds that at least the following problems exist in the technology, and although the above steps can detect the axial clearance of the product, when the clearance is not in accordance with the requirement, the hub bearing needs to be opened and then processed, so that the defects of complex operation and high labor intensity exist.
Disclosure of Invention
In order to facilitate the detection of the play of the hub bearing of the wheel in the production process, the application provides a device and a method for detecting and assembling the play of the conical hub unit.
In a first aspect, the application provides a conical hub unit play detection and assembly device, which adopts the following technical scheme:
the utility model provides a conical hub unit play's detection and equipment of assembling, includes the mounting bracket, be fixed with the mounting panel that is the level setting on the mounting bracket, be provided with detection device and the outer lane that corresponds with detection device on the mounting panel, set up the through-hole that runs through the mounting panel on the mounting panel, the outer lane is fixed in the through-hole, detection device is including fixing driving motor and servo motor on the mounting bracket, driving motor and servo motor are located the upper and lower both sides that correspond the outer lane, servo motor with driving motor output shaft is coaxial and be fixed with the actuating cylinder of vertical setting on its output shaft, two be provided with on the actuating cylinder respectively and be used for connecting the inner circle and make the inner circle install the last anchor clamps in the outer lane and be used for connecting the dabber and make the dabber install the lower anchor clamps in the outer lane, be provided with the displacement sensor that is used for measuring distance between dabber and the inner circle in the outer lane, detection device and the outer lane all include three sets respectively and be used for detecting the axial play of inner circle standard part and dabber standard part, be used for detecting the axial play of inner circle standard part and dabber and spindle and be used for detecting the inner circle and standard part.
Through adopting above-mentioned technical scheme, wherein a set of detection device is used for detecting the distance between inner circle standard part and the dabber standard part, is used for detecting the distance of inner circle and dabber standard part at another set of detection device, and last set of detection device is used for detecting the distance of inner circle standard part and dabber, makes the difference according to the numerical value that detects with the distance between dabber standard part and the inner circle standard part, and the inner circle and the dabber standard part of the difference in the same scope pair to obtain the shaft hub that processes into required.
Optionally, the mounting panel is fixed with the locating plate that corresponds with the through-hole, set up the constant head tank that runs through the locating plate on the locating plate, the ladder groove has been seted up to the constant head tank inner wall, terminal surface butt is in ladder tank bottom wall and lateral wall butt in the lateral wall of ladder groove under the outer lane, be fixed with a plurality of pressure equipment cylinders on the mounting bracket, be fixed with the pressing component that makes the outer lane support tightly on ladder tank diapire on the pressure equipment cylinder.
Through adopting above-mentioned technical scheme, the pressure equipment cylinder starts, makes the action of pressing the subassembly on the outer lane, makes the outer lane fix on the mounting panel to the installation of inner circle and dabber on the outer lane of being convenient for.
Optionally, press the subassembly including fixing the clamping ring on the pressure equipment cylinder connecting rod, the clamping ring is connected a plurality of corresponding pressure equipment cylinders and is cup jointed outside the outer lane, the sliding tray has been seted up along its radial to the clamping ring inside wall, sliding tray sliding is provided with presses the outer lane and makes the outer lane support the briquetting of tight in the ladder inslot, sliding tray sliding is provided with the slip spring that promotes the briquetting outside motion.
Through adopting above-mentioned technical scheme, the briquetting slides and sets up in the sliding tray, can act on the briquetting according to the size of the diameter of outer lane, makes the briquetting follow the radial motion of clamping ring to satisfy the requirement of the outer lane of different diameters.
Optionally, the movable cavity has been seted up along the clamping ring is radial in the briquetting, sliding in the movable cavity is provided with along clamping ring radial motion's movable block, be fixed with on the movable block and wear to establish on the briquetting and along clamping ring radial extension's pull rod, the pull rod runs through the lateral wall that runs through the clamping ring along length direction and deviates from the outer lane, the pull rod extends to the clamping ring lateral wall and with clamping ring threaded connection.
Through adopting above-mentioned technical scheme, before detecting, the rotatable pull rod of staff for adjust the briquetting for the positional relationship of clamping ring axis, thereby be convenient for adjust the positional relationship of briquetting for the outer lane, and then be convenient for the briquetting fix the outer lane on the mounting panel.
Optionally, go up anchor clamps including fixing at the drive cylinder piston rod and be the upper pressure bar of vertical setting, the terminal surface is fixed with the connecting rod that is the level setting under the upper pressure bar, the spread groove has been seted up at the connecting rod both ends, the sliding is provided with the installation pole in the spread groove, installation pole end fixing has the clamping lever that is used for the centre gripping inner circle, the clamping groove that is used for the joint inner circle and prevents the inner circle for the clamping lever upward movement is seted up to the terminal surface under the clamping lever, be provided with the coupling spring that pulls two clamping levers with the inner circle clamp in the spread groove.
Through adopting above-mentioned technical scheme, place two clamping bars with the inner circle between, under connecting spring's effect, the motion of pulling two clamping bars towards the direction that is close to each other, press from both sides tight with the inner circle, the inner circle of being convenient for is installed on the outer lane.
Optionally, the connecting rod internal rotation is connected with drive gear, the connecting rod internal slip is provided with and is on a parallel with the installation pole and with drive gear engagement's drive rack, the installation pole up end seted up with drive gear engagement's drive tooth's socket, the operation groove has been seted up along its length direction to the connecting rod up end, drive rack is fixed with and slides the action bars that set up in the operation groove and be convenient for drive rack and slide.
Through adopting above-mentioned technical scheme, the staff can act on the action bars, makes the action bars drive the motion of drive rack, and drive rack drives the rotation of drive gear, and two installation poles that mesh with drive gear are towards the direction motion that keeps away from each other, the clamping lever of being convenient for separates with the inner circle.
Optionally, two the spread groove intercommunication, spread groove internal thread connection has the rotation screw rod, set up the manual groove with the spread groove intercommunication on the connecting rod, two connection spring both ends rotate to be connected on the rotation screw rod, outer wall integrated into one piece has the operation piece on the rotation screw rod, the operation piece is located manual inslot just is convenient for stir the operation piece and drives the rotation screw rod and rotate.
Through adopting above-mentioned technical scheme, the staff can rotate the screw rod, rotates the screw rod and moves along installation pole length direction to be convenient for adjust the relative positional relationship of two installation poles, and then be convenient for behind the clamping lever clamping inner circle, inner circle and outer lane are coaxial.
Optionally, the groove of stepping down that runs through the rotation screw is offered along the axial on the rotation screw, the operation piece is gone up along the radial mounting groove of seting down of rotation screw intercommunication, the connecting spring tip is fixed with the locating lever of wearing to establish in the groove of stepping down, the locating lever tip is fixed with the locating piece, be provided with on the rotation screw and rotate the connection the spacing subassembly of locating piece.
Through adopting above-mentioned technical scheme, the staff can act on spacing subassembly, makes the locating piece rotate to connect on rotating the screw rod to be convenient for connect the connection of spring on rotating the screw rod.
Optionally, the spacing subassembly includes the stopper of threaded connection in the mounting groove, rotate on the stopper and be connected with the gag lever post, the both sides that the gag lever post is relative rotate and be connected with the axis of rotation, rotate in the axis of rotation and be connected with the rolling disc, the rolling groove has been seted up on the rolling disc, the rolling groove runs through the rolling disc lateral wall and is in towards the mounting groove internal motion when the stopper, the stopper joint is in the rolling groove.
Through adopting above-mentioned technical scheme, the gag lever post wears to establish in the installer inslot, at the in-process of installation, the locating piece is to the joint inslot to realize the connection of locating piece on the rolling disc, the installation of the locating piece of being convenient for is followed the dismantlement, and the rotatable stopper of staff makes stopper threaded connection in the mounting groove, prevents that the gag lever post from breaking away from the rotation screw rod.
In a second aspect, the present application provides a detection method using the above device, including the following steps:
s1, mounting an inner ring standard part and a mandrel standard part on one of the detection devices, starting a driving motor and a servo motor to drive the mandrel standard part and the inner ring standard part to reversely rotate, and measuring a distance a1 between the mandrel standard part and the inner ring standard part in the rotating process;
s2, mounting the inner ring standard part on one of the detection devices, mounting a core shaft to be detected and the inner ring standard part on the corresponding detection device, starting a driving motor and a servo motor to drive the core shaft and the inner ring standard part to reversely rotate, and measuring the distance a2 between the core shaft and the inner ring standard part;
s3, mounting the mandrel standard part on one of the detection devices, mounting the inner ring to be detected on the corresponding detection device, starting a driving motor and a servo motor to drive the inner ring and the mandrel standard part to reversely rotate, and measuring the distance a3 between the inner ring and the mandrel standard part;
s4, comparing the numerical values of a1, a2 and a3, and classifying the inner ring and the mandrel in the same range into a first gear according to the difference value of a2 and a1, and combining the inner ring, the mandrel and the outer ring in the same gear to obtain the hub meeting the requirements.
By adopting the technical scheme, the three groups of detection devices are respectively used for detecting the distance between the inner ring standard part and the mandrel standard part, the distance between the inner ring and the mandrel standard part and the distance between the inner ring standard part and the mandrel, the detected numerical value is different from the distance between the mandrel standard part and the inner ring standard part, and the inner ring with the difference within the same range is matched with the mandrel standard part, so that the hub which is processed into the required shaft hub is obtained.
Drawings
FIG. 1 is a schematic structural view of a hub according to an embodiment of the present application.
Fig. 2 is a schematic overall structure of an embodiment of the present application.
Fig. 3 is a schematic view of a connection structure of the press block on the press ring.
Fig. 4 is a schematic structural view of the upper jig.
Fig. 5 is a schematic view of the internal structure of the rotary screw.
Reference numerals illustrate:
1. an inner ring; 2. an outer ring; 3. the mandrel is a mandrel standard part, and the mandrel is a mandrel standard part; 5. an inner ring standard; 6. a mounting frame; 7. a mounting plate; 8. a driving motor; 9. a servo motor; 10. a through hole; 11. a positioning plate; 12. a driving cylinder; 13. a mounting rod; 14. a clamping block; 15. a clamping groove; 17. a positioning groove; 18. a cylinder is pressed and assembled; 19. a compression ring; 20. a sliding groove; 21. briquetting; 22. a sliding spring; 23. a movable cavity; 24. a movable block; 25. a pull rod; 26. a pressing rod is arranged; 27. a connecting rod; 28. a connecting groove; 29. a connecting spring; 30. a clamping rod; 31. a clamping groove; 32. a drive gear; 33. a drive rack; 34. an operation groove; 35. an operation lever; 36. rotating the screw; 37. a manual groove; 38. an operation block; 39. a relief groove; 40. a mounting groove; 41. a positioning rod; 42. a positioning block; 43. a limiting block; 44. a limit rod; 45. a rotating shaft; 46. a rotating disc; 47. the groove is rotated.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
The embodiment of the application discloses detection and equipment of cone hub unit play, refer to fig. 2, including fixing at subaerial mounting bracket 6, be fixed with the mounting panel 7 that is the level setting through the bolt on the mounting bracket 6, set up three detection device on the mounting panel 7, three detection device of group are used for detecting the axial play of inner circle standard part 5 with dabber standard part 4, the axial play of inner circle 1 with dabber standard part 4 and the axial play of inner circle standard part 5 with dabber standard part 4 respectively.
Referring to fig. 1 and 2, the detection device comprises a driving motor 8 and a servo motor 9 which are fixed on a mounting frame 6 through bolts, the driving motor 8 and the servo motor 9 are located on the upper side and the lower side of a mounting plate 7, output shafts of the driving motor 8 and the servo motor 9 are coaxial, driving cylinders 12 are fixed at the end parts of the output shafts of the servo motor 9 and the driving motor 8, the driving cylinders 12 are vertically arranged, piston rods of the two driving cylinders 12 are opposite, an upper clamp is fixed on the piston rods of the driving cylinders 12 located above the mounting plate 7, a lower clamp is fixed on the piston rods of the driving cylinders 12 located below the mounting plate 7, the upper clamp is used for connecting an inner ring 1 and enabling the inner ring 1 to be mounted in an outer ring 2, the lower clamp is used for connecting a mandrel 3 and enabling the mandrel 3 to be mounted in the outer ring 2, the lower clamp comprises a clamping block 14 fixed at the end part of the output shaft of the lower driving cylinder 12, a clamping groove 15 used for clamping the mandrel 3 is formed in the upper end face of the clamping block 14, the mandrel 3 is mounted in the clamping groove 15, and a displacement sensor used for measuring the distance between the mandrel 3 and the inner ring 1 is arranged in the outer ring 2.
Referring to fig. 2 and 3, through holes 10 penetrating through the upper end face and the lower end face of the mounting plate 7 are formed in the mounting plate 7, the through holes 10 correspond to the three groups of detection devices one by one, a positioning plate 11 for covering the through holes 10 is fixed on the upper surface of the mounting plate 7 through bolts, a positioning groove 17 penetrating through the upper surface and the lower surface of the positioning plate 11 and coaxial with the through holes 10 is formed in the positioning plate 11, a step groove coaxial with the positioning groove 17 is formed in the inner side wall of the positioning groove 17, the step groove penetrates through the upper end face of the positioning plate 11 upwards, the lower end face of the outer ring 2 is abutted to the bottom wall of the step groove, and the side wall of the outer ring 2 is abutted to the inner side wall of the step groove.
Referring to fig. 2 and 3, a plurality of press-fit cylinders 18 which are vertically arranged are fixed on the mounting frame 6, the end parts of piston rods of the press-fit cylinders 18 are opposite to the corresponding outer rings 2, pressing components which enable the outer rings 2 to be abutted against the bottom walls of the stepped grooves are arranged on output rods of the press-fit cylinders 18, each pressing component comprises a pressing ring 19 which is fixed at the end parts of the piston rods of the press-fit cylinders 18, each pressing ring 19 is coaxial with a through hole 10 and sleeved outside the corresponding outer ring 2, a plurality of sliding grooves 20 are formed in the inner side walls of the pressing rings 19 in the radial direction of each pressing ring, the sliding grooves 20 are uniformly distributed along the circumferential direction of each pressing ring 19, pressing blocks 21 are slidably arranged in the sliding grooves 20, the lower end faces of the pressing blocks 21 are abutted against the corresponding outer rings 2 and the corresponding stepped grooves, sliding springs 22 which push the pressing blocks 21 to move outwards are slidably arranged in the sliding grooves 20, and the pressing blocks 21 slide in the sliding grooves 20 so as to meet the requirements of diameters of different outer rings 2.
Referring to fig. 2 and 3, a movable cavity 23 is radially formed in the pressing block 21 along the pressing ring 19, a movable block 24 radially moving along the pressing ring 19 is slidably arranged in the movable cavity 23, the movable block 24 can slidably move in the movable cavity 23, a pull rod 25 is fixed on the end face of the movable block 24, which faces away from the axis of the pressing ring 19, the pull rod 25 is radially arranged along the pressing ring 19, the pull rod 25 penetrates through the end face of the movable block 24, which faces away from the axis of the pressing ring 19, and penetrates through the outer side wall of the pressing ring 19 along the length direction of the pull rod 25, and the pull rod 25 extends to the outer side wall of the pressing ring 19 and is in threaded connection with the pressing ring 19. The worker can rotate the pull rod 25 to pull the movable block 24 radially along the compression ring 19.
Referring to fig. 2 and 4, the upper clamp comprises an upper compression bar 26 fixed at the end of a piston rod of the upper driving cylinder 12, the upper compression bar 26 is vertically arranged and is coaxial with the through hole 10, a connecting rod 27 horizontally arranged is fixed at the lower end face of the upper compression bar 26, connecting grooves 28 are formed in two ends of the connecting rod 27 along the length direction of the connecting rod, mounting rods 13 are slidably arranged in the connecting grooves 28, connecting springs 29 are fixed in the connecting grooves 28, one ends of the connecting springs 29 are fixed on the inner walls of the connecting grooves 28, the other ends of the connecting springs 29 are fixed on the mounting rods 13 and pull the two mounting rods 13 to move towards the directions approaching to each other, clamping rods 30 which are vertically arranged are fixed at the ends of the mounting rods 13 and are used for clamping the inner ring 1, clamping grooves 31 are formed in the lower end face of the clamping rods 30 along the height direction, and the inner ring 1 is clamped in the corresponding clamping grooves 31 and used for preventing the inner ring 1 from moving upwards.
Referring to fig. 2 and 4, a driving gear 32 having an axis horizontally disposed is rotatably connected to the connecting rod 27, a driving rack 33 parallel to the mounting rod 13 is slidably disposed in the connecting rod 27, the driving rack 33 is disposed above the mounting rod 13 and is engaged with the driving gear 32, a driving tooth slot engaged with the driving gear 32 is formed in an upper end surface of the mounting rod 13, an operation slot 34 is formed in an upper end surface of the connecting rod 27 along a length direction thereof, and an operation rod 35 slidably disposed in the operation slot 34 is fixed to an upper surface of the driving rack 33. The operator can act on the operating rod 35 to move the operating rod 35 towards the direction approaching each other, and the two clamping rods 30 are moved towards the direction separating from each other under the action of the driving rack 33 and the driving gear 32, so that the inner ring 1 can be clamped conveniently.
Referring to fig. 4 and 5, two connecting grooves 28 are communicated, a rotating screw rod 36 is connected in the connecting groove 28 in a threaded manner, a manual groove 37 communicated with the connecting groove 28 is formed in the connecting rod 27, two ends of two connecting springs 29 are rotatably connected to the rotating screw rod 36, an operation block 38 is integrally formed on the upper outer wall of the rotating screw rod 36, the operation block 38 is coaxial with the rotating screw rod 36, and the operation block 38 is located in the manual groove 37 and is convenient to stir the operation block 38 to drive the rotating screw rod 36 to rotate. The rotating screw 36 is axially provided with a yielding groove 39 penetrating the rotating screw 36, the operating block 38 is provided with a mounting groove 40, the mounting groove 40 radially extends along the rotating screw 36 and is communicated with the yielding groove 39, the end part of the connecting spring 29 is fixedly provided with a positioning rod 41 penetrating the yielding groove 39, the end part of the positioning rod 41 far away from the connecting spring 29 is fixedly provided with a positioning block 42, and the rotating screw 36 is provided with a limiting component for rotating the connecting positioning block 42.
Referring to fig. 4 and 5, the limiting assembly includes a limiting block 43 screwed in the mounting groove 40, a limiting rod 44 is rotatably connected to the limiting block 43, the axis of the limiting rod 44 is perpendicular to the axis of the rotating screw 36, a rotating shaft 45 coaxial with the rotating screw 36 is rotatably connected to the outer wall of the limiting rod 44, a rotating disc 46 coaxial with the rotating screw 36 is rotatably connected to the rotating shaft 45, a rotating groove 47 is formed in the rotating disc 46, and the rotating groove 47 is radially arranged along the rotating disc 46 and penetrates through the outer side wall of the rotating disc 46. The stop lever 44 moves toward the inside of the mounting groove 40, and the positioning block 42 is clamped into the rotating groove 47, so that the positioning block 42 is connected to the rotating disc 46. The operator can act on the operation block 38, and the operation block 38 drives the rotation screw rod 36 to rotate, and the rotation screw rod 36 moves along the length direction of the connecting rod 27 in the rotation process, and is used for adjusting the relative positions of the two mounting rods 13, so that the inner ring 1 and the corresponding outer ring 2 are coaxial.
The application also discloses a method for detecting the clearance of the conical hub unit and detecting the assembling equipment, which comprises the following steps:
s1, a worker can install the mandrel standard piece 4 on one of the detection devices, so that the clamping rod 30 clamps the inner ring standard piece 5, the inner ring standard piece 5 and the mandrel standard piece 4 are installed in the corresponding outer ring 2, the driving motor 8 and the servo motor 9 are started to drive the mandrel standard piece 4 and the inner ring standard piece 5 to reversely rotate, and the distance a1 between the mandrel standard piece 4 and the inner ring 1 is measured in the rotating process;
s2, mounting the inner ring standard part 5 on one of the detection devices, enabling the clamping rod 30 to clamp the mandrel 3 to be detected, mounting the inner ring standard part 5 and the mandrel 3 on the outer ring 2, starting the driving motor 8 and the servo motor 9 to drive the mandrel 3 and the inner ring standard part 5 to reversely rotate, and measuring the distance a2 between the mandrel 3 and the inner ring standard part 5;
s3, mounting the mandrel standard part 4 on one of the detection devices, mounting the inner ring 1 to be detected on the corresponding detection device, mounting the mandrel standard part 4 and the inner ring 1 on the outer ring 2, starting the driving motor 8 and the servo motor 9, driving the inner ring 1 and the mandrel standard part 4 to reversely rotate, and measuring the distance a3 between the inner ring 1 and the mandrel standard part 4;
s4, comparing the numerical values of a1, a2 and a3, and classifying the inner ring 1 and the mandrel 3 in the same range into first gears according to the difference value of a2 and a1, and assembling and matching the inner ring 1 and the mandrel 3 in the same gears with the outer ring 2 to obtain the hub meeting the requirements.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (3)
1. The utility model provides a detection and equipment of cone hub unit play which characterized in that: including mounting bracket (6), be fixed with mounting panel (7) that are the level setting on mounting bracket (6), be provided with detection device and outer lane (2) that correspond with detection device on mounting panel (7), set up through-hole (10) that run through mounting panel (7) on mounting panel (7), outer lane (2) are fixed in through-hole (10), detection device is including driving motor (8) and servo motor (9) of fixing on mounting bracket (6), driving motor (8) and servo motor (9) are located the upper and lower both sides that correspond outer lane (2), servo motor (9) with driving motor (8) output shaft is coaxial and be fixed with driving cylinder (12) of vertical setting on its output shaft, two be provided with respectively on driving cylinder (12) and be used for connecting inner lane (1) and make last anchor clamps in inner lane (2) and be used for connecting dabber (3) and make dabber (3) install down anchor clamps in inner lane (2), be provided with in outer lane (2) and be used for measuring between dabber (3) and inner lane (2) and detect displacement sensor (5) and the equal distance between the axial displacement sensor (4) of inner lane (2) and the same level sensor (4 respectively, the level sensor is used for measuring the distance between the inner lane (2) and the level sensor The device is used for detecting the axial clearance between the inner ring standard piece (5) and the mandrel (3) and the axial clearance between the inner ring (1) and the mandrel standard piece (4);
the mounting plate (7) is fixedly provided with a positioning plate (11) corresponding to the through hole (10), the positioning plate (11) is provided with a positioning groove (17) penetrating through the positioning plate (11), the inner wall of the positioning groove (17) is provided with a stepped groove, the lower end face of the outer ring (2) is abutted against the bottom wall of the stepped groove, the side wall of the outer ring is abutted against the side wall of the stepped groove, the mounting frame (6) is fixedly provided with a plurality of press-mounting cylinders (18), and the press-mounting cylinders (18) are fixedly provided with pressing assemblies for enabling the outer ring (2) to be abutted against the bottom wall of the stepped groove; the pressing assembly comprises pressing rings (19) fixed on connecting rods of the press mounting cylinders (18), the pressing rings (19) are connected with a plurality of corresponding press mounting cylinders (18) and are sleeved outside the outer ring (2), sliding grooves (20) are formed in the inner side walls of the pressing rings (19) along the radial direction of the pressing rings, pressing blocks (21) for pressing the outer ring (2) and enabling the outer ring (2) to be abutted against the stepped grooves are arranged in the sliding grooves (20) in a sliding manner, and sliding springs (22) for pushing the pressing blocks (21) to move outwards are arranged in the sliding grooves (20) in a sliding manner; a movable cavity (23) is formed in the pressing block (21) along the radial direction of the pressing ring (19), a movable block (24) which moves along the radial direction of the pressing ring (19) is slidably arranged in the movable cavity (23), a pull rod (25) which is arranged on the pressing block (21) in a penetrating manner and extends along the radial direction of the pressing ring (19) is fixed on the movable block (24), the pull rod (25) penetrates through the side wall of the pressing ring (19) which deviates from the outer ring (2) along the length direction, and the pull rod (25) extends to the outer side wall of the pressing ring (19) and is in threaded connection with the pressing ring (19); the upper clamp comprises an upper compression bar (26) which is fixed on a piston rod of a driving cylinder (12) and is vertically arranged, a connecting rod (27) which is horizontally arranged is fixed on the lower end face of the upper compression bar (26), connecting grooves (28) are formed in two ends of the connecting rod (27), a mounting rod (13) is slidably arranged in the connecting grooves (28), a clamping rod (30) used for clamping an inner ring (1) is fixed at the end part of the mounting rod (13), a clamping groove (31) used for clamping the inner ring (1) and preventing the inner ring (1) from moving upwards relative to the clamping rod (30) is formed in the lower end face of the clamping rod (30), and a connecting spring (29) used for pulling the two clamping rods (30) to clamp the inner ring (1) is arranged in the connecting groove (28); the connecting rod (27) is rotationally connected with a driving gear (32), a driving rack (33) which is parallel to the mounting rod (13) and meshed with the driving gear (32) is slidably arranged in the connecting rod (27), a driving tooth slot which is meshed with the driving gear (32) is formed in the upper end face of the mounting rod (13), an operating groove (34) is formed in the upper end face of the connecting rod (27) along the length direction of the connecting rod, and an operating rod (35) which is slidably arranged in the operating groove (34) and is convenient for driving the driving rack (33) to slidably is fixedly arranged on the driving rack (33); the two connecting grooves (28) are communicated, a rotating screw rod (36) is connected in the connecting grooves (28) in a threaded manner, a manual groove (37) communicated with the connecting grooves (28) is formed in the connecting rod (27), two ends of the connecting spring (29) are rotationally connected to the rotating screw rod (36), an operation block (38) is integrally formed on the upper outer wall of the rotating screw rod (36), and the operation block (38) is positioned in the manual groove (37) and is convenient for stirring the operation block (38) to drive the rotating screw rod (36) to rotate; the utility model discloses a rotary screw, including rotary screw (36), connecting spring (29), locating lever (41) are fixed with on rotary screw (36), rotary screw (36) are gone up along the axial and are offered groove (39) of stepping down that runs through rotary screw (36), install groove (40) along rotary screw (36) radial on operation piece (38) with groove (39) intercommunication of stepping down, connecting spring (29) tip is fixed with wears to establish locating lever (41) in groove (39) of stepping down, locating lever (41) tip is fixed with locating piece (42), be provided with on rotary screw (36) and rotate the spacing subassembly of connecting locating piece (42).
2. A device for detecting and assembling the play of a conical hub unit according to claim 1, characterized in that: limiting component includes stopper (43) of threaded connection in mounting groove (40), rotate on stopper (43) and be connected with gag lever post (44), both sides that gag lever post (44) are relative rotate and are connected with axis of rotation (45), rotate on axis of rotation (45) and be connected with rolling disc (46), set up rolling groove (47) on rolling disc (46), rolling groove (47) run through rolling disc (46) lateral wall and when stopper (43) are towards mounting groove (40) internal motion, stopper (43) joint is in rolling groove (47).
3. A method of detecting a play of a conical hub unit and a detecting device of a assembling device according to claim 1, characterized by comprising the steps of:
s1, mounting an inner ring standard part (5) and a mandrel standard part (4) on one of the detection devices, starting a driving motor (8) and a servo motor (9) to drive the mandrel standard part (4) and the inner ring standard part (5) to reversely rotate, and measuring a distance a1 between the mandrel standard part (4) and the inner ring standard part (5) in the rotating process;
s2, mounting an inner ring standard part (5) on one of the detection devices, mounting a core shaft (3) to be detected and the inner ring standard part (5) on the corresponding detection device, starting a driving motor (8) and a servo motor (9), driving the core shaft (3) and the inner ring standard part (5) to reversely rotate, and measuring the distance a2 between the core shaft (3) and the inner ring standard part (5);
s3, mounting the mandrel standard part (4) on one of the detection devices, mounting the inner ring (1) to be detected on the corresponding detection device, starting a driving motor (8) and a servo motor (9) to drive the inner ring (1) and the mandrel standard part (4) to reversely rotate, and measuring the distance a3 between the inner ring (1) and the mandrel standard part (4);
s4, comparing the numerical values of a1, a2 and a3, and classifying the inner ring (1) and the mandrel (3) in the same range into a first gear according to the difference value of a2 and a1, and combining the inner ring (1), the mandrel (3) and the outer ring (2) in the same gear to obtain the hub meeting the requirements.
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| CN114923451A (en) | 2022-08-19 |
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