CN114923451A - Conical hub unit clearance detection and assembly equipment and detection method - Google Patents
Conical hub unit clearance detection and assembly equipment and detection method Download PDFInfo
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- CN114923451A CN114923451A CN202210576356.4A CN202210576356A CN114923451A CN 114923451 A CN114923451 A CN 114923451A CN 202210576356 A CN202210576356 A CN 202210576356A CN 114923451 A CN114923451 A CN 114923451A
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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 matched stack equipment of circular cone wheel 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 the outer lane that corresponds with detection device, detection device and outer lane all include three groups, are used for detecting the axial play of inner circle standard component and dabber standard component respectively, are used for detecting the axial play of inner circle standard component and dabber and are used for detecting the axial play of inner circle and dabber standard component. This application has the effect of being convenient for detect and the assembled shaft hub.
Description
Technical Field
The application relates to the field of bearing detection devices, in particular to equipment and a method for detecting and assembling a clearance of a conical hub unit.
Background
The hub bearing of the automobile is one of bearings, and the main functions of the hub bearing are bearing and providing accurate guidance for the rotation of a hub. The double-row tapered roller bearing is used as one of automobile shaft 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 the double-row tapered roller bearing needs to bear larger radial and axial loads, and the double-row tapered roller bearing strives to be capable of uniformly bearing the force in use, so that the distance between the end surfaces of two inner rings is measured in the assembling process, a mandrel is conveniently and correctly prepared, and the double-row tapered roller bearing is an important link for ensuring that the axial clearance meets the requirements.
Referring to fig. 1, the hub bearing to be produced comprises an inner ring 1, a mandrel 3 arranged inside the inner ring 1 in a penetrating mode 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 is processed, 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, and the distance of the mandrel 3 moving relative to the inner ring 1 along the axial direction of the mandrel is also called the axial clearance of the hub bearing, so that whether the axial clearance of the hub bearing meets the standard or not is obtained.
In the process of implementing the application, the inventor finds that at least the following problems exist in the technology, although the axial play of the product can be detected through the steps, when the play is not satisfactory, the hub bearing needs to be opened and then machined, and the defects of complex operation and high labor intensity exist.
Disclosure of Invention
In order to facilitate the detection of the backlash of the hub bearing in the production process, the application provides a device and a method for detecting and assembling the backlash of a conical hub unit.
In a first aspect, the present application provides a detection and assembly device for a bevel hub unit play, which adopts the following technical scheme:
a detection and assembly device for the clearance of a conical hub unit comprises a mounting frame, wherein a mounting plate which is horizontally arranged is fixed on the mounting frame, a detection device and an outer ring which corresponds to the detection device are arranged on the mounting plate, a through hole which runs through the mounting plate is formed in the mounting plate, the outer ring is fixed in the through hole, the detection device comprises a driving motor and a servo motor which are fixed on the mounting frame, the driving motor and the servo motor are positioned on the upper side and the lower side of the corresponding outer ring, the servo motor and the output shaft of the driving motor are coaxial, a driving cylinder which is vertically arranged is fixed on the output shaft of the servo motor, an upper clamp which is used for connecting an inner ring and enabling the inner ring to be arranged in the outer ring and a lower clamp which is used for connecting a mandrel and enabling the mandrel to be arranged in the outer ring are respectively arranged on the driving cylinder, and a displacement sensor which is used for measuring the distance between the mandrel and the inner ring is arranged in the outer ring, the detection device and the outer ring respectively comprise three groups which are respectively used for detecting the axial clearance between the inner ring standard component and the mandrel standard component, the axial clearance between the inner ring standard component and the mandrel and the axial clearance between the inner ring standard component and the mandrel.
By adopting the technical scheme, one group of detection devices are used for detecting the distance between the inner ring standard part and the mandrel standard part, the other group of detection devices are used for detecting the distance between the inner ring standard part and the mandrel standard part, the last group of detection devices are used for detecting the distance between the inner ring standard part and the mandrel, a difference value is made according to the detected numerical value and the distance between the mandrel standard part and the inner ring standard part, and the inner ring and the mandrel standard part with the difference value in the same range are paired, so that the required shaft hub is processed.
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 at the lateral wall of ladder groove diapire and lateral wall butt in the ladder groove under the outer lane, be fixed with a plurality of pressure equipment cylinders on the mounting bracket, be fixed with on the pressure equipment cylinder and make the outer lane support the subassembly of pressing tightly on ladder groove diapire.
By adopting the technical scheme, the press-fitting cylinder is started, so that the pressing component acts on the outer ring, the outer ring is fixed on the mounting plate, and the inner ring and the mandrel are conveniently mounted on the outer ring.
Optionally, press the subassembly including fixing the clamping ring on pressure equipment cylinder connecting rod, a plurality of pressure equipment cylinders that correspond are connected to the clamping ring and cup joint outside the outer lane, the sliding tray has radially been seted up along it to the clamping ring inside wall, the sliding tray internal slipping is provided with presses the outer lane and makes the outer lane support the briquetting of tightly at the ladder inslot, the sliding tray internal slipping is provided with the sliding spring that promotes the outside motion of briquetting.
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 along clamping ring radial motion to satisfy the requirement of the outer lane of different diameters.
Optionally, radially seted up movable chamber along the clamping ring in the briquetting, the activity intracavity slides and is provided with the movable block along clamping ring radial motion, be fixed with on the movable block and wear to establish on the briquetting and follow the radial pull rod that extends of clamping ring, the pull rod runs through the lateral wall that deviates from the outer lane along length direction runs through the clamping ring, the pull rod extend to the clamping ring lateral wall and with clamping ring threaded connection.
Through adopting above-mentioned technical scheme, before detecting, the staff can rotate the pull rod for adjust the briquetting for the position relation of clamping ring axis, thereby be convenient for adjust the briquetting for the position relation of outer lane, and then be convenient for the briquetting fixes the outer lane on the mounting panel.
Optionally, the upper clamp comprises an upper pressure rod which is fixed on a piston rod of a driving cylinder and is vertically arranged, a connecting rod which is horizontally arranged is fixed on the lower end face of the upper pressure rod, connecting grooves are formed in two ends of the connecting rod, an installation rod is arranged in the connecting grooves in a sliding mode, clamping rods used for clamping inner rings are fixed on the end portions of the installation rod, clamping grooves used for clamping the inner rings and preventing the inner rings from moving upwards relative to the clamping rods are formed in the lower end faces of the clamping rods, and connecting springs used for clamping the inner rings by pulling the two clamping rods are arranged in the connecting grooves.
By adopting the technical scheme, the inner ring is placed between the two clamping rods, the two clamping rods are pulled to move towards the mutually approaching direction under the action of the connecting spring, the inner ring is clamped, and the inner ring is convenient to mount on the outer ring.
Optionally, the connecting rod internal rotation is connected with drive gear, the cunning is provided with and is on a parallel with the installation pole and with the drive rack of drive gear meshing in the connecting rod, the drive tooth's socket with drive gear meshing is seted up to installation pole up end, the operation groove has been seted up along its length direction to the connecting rod up end, the drive rack is fixed with slides and sets up at the operation inslot and be convenient for drive the action bars that the drive rack slided.
By adopting the technical scheme, the operator can act on the operating rod to drive the driving rack to move, the driving rack drives the driving gear to rotate, the two mounting rods meshed with the driving gear move towards the direction away from each other, and the clamping rods and the inner ring are convenient to separate.
Optionally, two the spread groove intercommunication, spread groove female connection has the rotation screw rod, set up the manual groove with the spread groove intercommunication on the connecting rod, two coupling spring both ends are rotated and are connected on rotating the screw rod, it has the operation piece to rotate outer wall integrated into one piece on the screw rod, the operation piece is located manual inslot and be convenient for stir the operation piece and drive and rotate the screw rod rotation.
By adopting the technical scheme, a worker can rotate the screw rod to rotate, and the screw rod rotates to move along the length direction of the mounting rods, so that the relative position relation of the two mounting rods can be conveniently adjusted, and the inner ring and the outer ring are coaxial after the clamping rods clamp the inner ring.
Optionally, a abdicating groove penetrating through the rotating screw rod is axially formed in the rotating screw rod, a mounting groove communicated with the abdicating groove is radially formed in the operating block along the rotating screw rod, a positioning rod penetrating through the abdicating groove is fixedly arranged at the end of the connecting spring, a positioning block is fixedly arranged at the end of the positioning rod, and a limiting component rotatably connected with the positioning block is arranged on the rotating screw rod.
Through adopting above-mentioned technical scheme, the staff can act on spacing subassembly, makes the locating piece rotate to be connected 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, it is connected with the gag lever post to rotate on the stopper, the both sides that the gag lever post is relative are rotated and are connected with the axis of rotation, it is connected with the rolling disc to rotate in the axis of rotation, the rotation groove has been seted up on the rolling disc, the rotation groove runs through the rolling disc lateral wall just works as the stopper towards the mounting groove internal motion, the stopper joint is in the rotation inslot.
Through adopting above-mentioned technical scheme, the gag lever post is worn to establish at the installation worker inslot, and at the in-process of installation, locating piece to joint inslot to realize the connection of locating piece on the rolling disc, the installation of the locating piece of being convenient for is with dismantling, and the rotatable stopper that rotates 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 the inner ring standard part and the mandrel standard part on one detection device, starting a driving motor and a servo motor to drive the mandrel standard part and the inner ring standard part to rotate in opposite directions, and measuring the distance a1 between the mandrel standard part and the inner ring standard part in the rotating process;
s2, mounting the inner ring standard piece on one of the detection devices, mounting the mandrel and the inner ring standard piece to be detected on the corresponding detection devices, starting the driving motor and the servo motor to drive the mandrel and the inner ring standard piece to rotate in opposite directions, and measuring the distance a2 between the mandrel and the inner ring standard piece;
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 the driving motor and the servo motor to drive the inner ring and the mandrel standard part to rotate in opposite directions, and measuring the distance a3 between the inner ring and the mandrel standard part;
s4, comparing the values of a1, a2 and a3, classifying the inner ring and the mandrel in the same range into a first gear according to the difference values of a2 and a1, and a3 and a1, and assembling the inner ring, the mandrel and the outer ring of the same gear to obtain the shaft 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 component and the mandrel standard component, the distance between the inner ring and the mandrel standard component and the distance between the inner ring standard component and the mandrel are different, the detected numerical value and the distance between the mandrel standard component and the inner ring standard component are different, and the inner ring and the mandrel standard component with the difference in the same range are paired, so that the shaft hub required by processing 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 diagram of an embodiment of the present application.
FIG. 3 is a schematic view of the connection structure of the pressing block on the pressing ring.
Fig. 4 is a schematic structural view of the upper jig.
Fig. 5 is a schematic view of the internal structure of the rotating screw.
Description of reference numerals:
1. an inner ring; 2. an outer ring; 3. a mandrel, 4, a mandrel standard part; 5. an inner ring standard component; 6. a mounting frame; 7. mounting a plate; 8. a drive motor; 9. a servo motor; 10. a through hole; 11. positioning a plate; 12. a driving cylinder; 13. mounting a rod; 14. a clamping block; 15. a clamping groove; 17. positioning a groove; 18. pressing the air cylinder; 19. pressing a ring; 20. a sliding groove; 21. briquetting; 22. a slide spring; 23. a movable cavity; 24. a movable block; 25. a pull rod; 26. an upper pressure lever; 27. a connecting rod; 28. connecting grooves; 29. a connecting spring; 30. a clamping rod; 31. a clamping groove; 32. a drive gear; 33. a drive rack; 34. an operation slot; 35. an operating lever; 36. rotating the screw; 37. a manual slot; 38. an operation block; 39. a yielding groove; 40. mounting grooves; 41. positioning a rod; 42. positioning blocks; 43. a limiting block; 44. a limiting rod; 45. a rotating shaft; 46. rotating the disc; 47. the groove is rotated.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses detection and matched stack equipment of circular cone hub unit internal clearance, 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 groups on the mounting panel 7, three detection device groups are used for detecting the axial internal clearance of inner circle standard component 5 and dabber standard component 4, the axial internal clearance of inner circle 1 and dabber standard component 4 and the axial internal clearance of inner circle standard component 5 and dabber standard component 4 respectively.
Referring to fig. 1 and 2, the detection device comprises a driving motor 8 and a servo motor 9 fixed on a mounting frame 6 through bolts, the driving motor 8 and the servo motor 9 are positioned 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, a driving cylinder 12 is fixed at the end parts of the output shafts of the servo motor 9 and the driving motor 8, the driving cylinder 12 is vertically arranged, piston rods of the two driving cylinders 12 are opposite, an upper clamp is fixed on the piston rod of the driving cylinder 12 above the mounting plate 7, a lower clamp is fixed on the piston rod of the driving cylinder 12 below the mounting plate 7, the upper clamp is used for connecting an inner ring 1 and enabling the inner ring 1 to be installed in an outer ring 2, the lower clamp is used for connecting a mandrel 3 and enabling the mandrel 3 to be installed in the outer ring 2, the lower clamp comprises a clamping block 14 fixed at the end part of the output shaft of the driving cylinder 12 below, a clamping groove 15 used for clamping the mandrel 3 is formed in the upper end surface of the clamping block 14, the mandrel 3 is arranged in the clamping groove 15, and a displacement sensor for measuring the distance between the mandrel 3 and the inner ring 1 is arranged in the outer ring 2.
Refer to fig. 2 and fig. 3, set up the through-hole 10 that runs through terminal surface about the mounting panel 7 on the mounting panel 7, through-hole 10 and three detection device one-to-one of group, 7 upper surfaces of mounting panel have the locating plate 11 that is used for covering through-hole 10 through the bolt fastening, set up on the locating plate 11 and run through the locating plate 11 upper and lower surface and with the coaxial constant head tank 17 of through-hole 10, the constant head tank 17 inside wall has been seted up with the coaxial ladder groove of constant head tank 17, the ladder groove upwards runs through 11 up end of locating plate, 2 terminal surface butt are on the diapire in ladder groove under the outer lane, 2 lateral wall butt of outer lane are at the inside wall in ladder groove.
Referring to fig. 2 and fig. 3, a plurality of vertically arranged press-fitting cylinders 18 are fixed on the mounting frame 6, the end portions of piston rods on the press-fitting cylinders 18 are right opposite to the corresponding outer rings 2, pressing assemblies which enable the outer rings 2 to abut against the bottom walls of the stepped grooves are arranged on output rods of the press-fitting cylinders 18, each pressing assembly comprises a pressing ring 19 fixed at the end portion of a piston rod of each press-fitting cylinder 18, the pressing ring 19 is coaxial with the through hole 10 and is sleeved outside the outer ring 2, a plurality of sliding grooves 20 are radially formed in the inner side wall of the pressing ring 19 along the radial direction of the pressing ring, the plurality of sliding grooves 20 are circumferentially and uniformly distributed along the pressing ring 19, press blocks 21 are slidably arranged in the sliding grooves 20, the lower end faces of the press blocks 21 abut against the outer rings 2 and enable the outer rings 2 to abut against the stepped grooves, sliding springs 22 which push the press blocks 21 to move outwards are slidably arranged in the sliding grooves 20, and the press blocks 21 slide in the sliding grooves 20, so as to meet the requirements of different diameters of the outer rings 2.
Referring to fig. 2 and 3, an activity chamber 23 has radially been seted up along clamping ring 19 in the briquetting 21, the sliding is provided with along the movable block 24 of 19 radial motion of clamping ring in the activity chamber 23, movable block 24 can be in the activity chamber 23 sliding, the terminal surface that movable block 24 deviates from the clamping ring 19 axis is fixed with pull rod 25, pull rod 25 radially sets up along clamping ring 19, pull rod 25 runs through the terminal surface that movable block 24 deviates from the clamping ring 19 axis and runs through the lateral wall of clamping ring 19 along its length direction, pull rod 25 extends to the clamping ring 19 lateral wall and just with clamping ring 19 threaded connection. The worker may rotate the pull rod 25 to pull the movable block 24 to move radially along the pressing ring 19.
Referring to fig. 2 and 4, the upper clamp includes an upper pressing rod 26 fixed at the end of a piston rod of the upper driving cylinder 12, the upper pressing rod 26 is vertically disposed and coaxial with the through hole 10, a connecting rod 27 horizontally disposed is fixed on the lower end surface of the upper pressing rod 26, connecting grooves 28 are formed in the two ends of the connecting rod 27 along the length direction of the connecting rod, mounting rods 13 are slidably disposed 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 close to each other, end portions of the mounting rods 13, which are far away from each other, are fixed with clamping rods 30 vertically disposed, the clamping rods 30 are used for clamping the inner ring 1, clamping grooves 31 are formed in the lower end surface of the clamping rods 30 along the height direction, and the clamping grooves 31 corresponding to the inner ring 1 are used for preventing the inner ring 1 from moving upwards.
Referring to fig. 2 and 4, a driving gear 32 with a horizontal axis is rotatably connected in the connecting rod 27, a driving rack 33 parallel to the mounting rod 13 is slidably arranged in the connecting rod 27, the driving rack 33 is located above the mounting rod 13 and is engaged with the driving gear 32, a driving tooth socket engaged with the driving gear 32 is formed on the upper end surface of the mounting rod 13, an operating slot 34 is formed in the upper end surface of the connecting rod 27 along the length direction of the connecting rod, and an operating rod 35 slidably arranged in the operating slot 34 is fixed on the upper surface of the driving rack 33. The operator can act on the operating rod 35 to move the operating rod 35 toward each other, and the two clamping rods 30 are moved away from each other by the driving rack 33 and the driving gear 32, so as to facilitate the clamping of the inner ring 1.
Referring to fig. 4 and 5, the two connecting grooves 28 are communicated, a rotating screw 36 is connected to the connecting groove 28 through an internal thread, a manual groove 37 communicated with the connecting groove 28 is formed in the connecting rod 27, two ends of the two connecting springs 29 are rotatably connected to the rotating screw 36, an operating block 38 is integrally formed on the outer wall of the rotating screw 36, the operating block 38 is coaxial with the rotating screw 36, and the operating block 38 is located in the manual groove 37 and facilitates to shift the operating block 38 to drive the rotating screw 36 to rotate. The rotating screw 36 is axially provided with a yielding groove 39 penetrating through 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 through 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 rotatably connected with the positioning block 42.
Referring to fig. 4 and 5, the limiting component includes a limiting block 43 connected in the mounting groove 40 by a thread, the limiting block 43 is connected with a limiting rod 44 in a rotating manner, the axis of the limiting rod 44 is perpendicular to the axis of the rotating screw 36, the outer wall of the limiting rod 44 is connected with a rotating shaft 45 coaxial with the rotating screw 36 in a rotating manner, a rotating disc 46 coaxial with the rotating screw 36 is connected to the rotating shaft 45 in a rotating manner, 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 stopper 44 moves toward the installation groove 40 and the positioning block 42 is snapped into the rotation groove 47, thereby achieving the coupling of the positioning block 42 to the rotation disk 46. The operator can act on the operation block 38, the operation block 38 drives the rotation screw 36 to rotate, and the rotation screw 36 moves along the length direction of the connecting rod 27 during the rotation process, so as to adjust the relative positions of the two installation rods 13, so that the inner ring 1 is coaxial with the corresponding outer ring 2.
The application also discloses a method for detecting the backlash of the cone hub unit and detecting assembly equipment, which comprises the following steps:
s1, a worker can install the mandrel standard part 4 on one of the detection devices, so that the clamping rod 30 clamps the inner ring standard part 5, the inner ring standard part 5 and the mandrel standard part 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 part 4 and the inner ring standard part 5 to rotate in opposite directions, and the distance a1 between the mandrel standard part 4 and the inner ring 1 is measured in the rotating process;
s2, installing the inner ring standard piece 5 on one of the detection devices, enabling the clamping rod 30 to clamp the mandrel 3 to be detected, installing the inner ring standard piece 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 piece 5 to rotate in opposite directions, and measuring the distance a2 between the mandrel 3 and the inner ring standard piece 5;
s3, installing the mandrel standard part 4 on one of the detection devices, installing the inner ring 1 to be detected on the corresponding detection device, installing 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 to drive the inner ring 1 and the mandrel standard part 4 to rotate in the opposite direction, and measuring the distance a3 between the inner ring 1 and the mandrel standard part 4;
s4, comparing the values of a1, a2 and a3, classifying the inner ring 1 and the mandrel 3 in the same range into a first gear according to the difference values of a2 and a1, and a3 and a1, and assembling and matching the inner ring 1, the mandrel 3 and the outer ring 2 in the same gear to obtain the shaft hub meeting the requirements.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A detection and assembly equipment of conical hub unit play, characterized in that: including mounting bracket (6), be fixed with mounting panel (7) that is the level setting on mounting bracket (6), be provided with detection device on mounting panel (7) and outer lane (2) that correspond with detection device, 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 fixing driving motor (8) and servo motor (9) 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 circle (1) and make inner circle (1) install the last anchor clamps in outer lane (2) and be used for connecting dabber (3) and make dabber (3) install The lower clamp is arranged in the outer ring (2), a displacement sensor used for measuring the distance between the mandrel (3) and the inner ring (1) is arranged in the outer ring (2), the detection device and the outer ring (2) comprise three groups, and the displacement sensor is respectively used for detecting the axial clearance between the inner ring standard component (5) and the mandrel standard component (4), the axial clearance between the inner ring standard component (5) and the mandrel (3) and the axial clearance between the inner ring standard component (1) and the mandrel standard component (4).
2. A device for detecting and assembling the play of a conical hub unit according to claim 1, characterized in that: mounting panel (7) are fixed with locating plate (11) that correspond with through-hole (10), set up constant head tank (17) that runs through locating plate (11) on locating plate (11), the ladder groove has been seted up to constant head tank (17) inner wall, terminal surface butt is at ladder groove diapire and lateral wall butt in the lateral wall in ladder groove under outer lane (2), be fixed with a plurality of pressure equipment cylinders (18) on mounting bracket (6), be fixed with on pressure equipment cylinder (18) and make outer lane (2) support the subassembly of pressing tightly on ladder groove diapire.
3. A device for detecting and assembling the play of a conical hub unit according to claim 2, characterized in that: press the subassembly including fixing clamping ring (19) on pressure equipment cylinder (18) connecting rod, a plurality of pressure equipment cylinders (18) that correspond are connected in clamping ring (19) and cup joint outside outer lane (2), sliding tray (20) have radially been seted up along it to clamping ring (19) inside wall, sliding tray (20) internal slipping is provided with and presses outer lane (2) and makes outer lane (2) support briquetting (21) tightly at the ladder inslot, sliding tray (20) internal slipping is provided with sliding spring (22) that promote briquetting (21) outward movement.
4. A checking and assembling device of the play of a conical hub unit according to claim 3, characterized in that: follow clamping ring (19) and radially seted up activity chamber (23) in briquetting (21), the internal sliding of activity chamber (23) is provided with along clamping ring (19) radial motion's movable block (24), be fixed with pull rod (25) of wearing to establish on briquetting (21) and following clamping ring (19) radial extension on movable block (24), pull rod (25) run through along length direction run through the lateral wall that clamping ring (19) deviates from outer lane (2), pull rod (25) extend to clamping ring (19) lateral wall and with clamping ring (19) threaded connection.
5. A device for detecting and assembling the play of a conical hub unit according to claim 4, characterized in that: go up anchor clamps including fixing last depression bar (26) that drive actuating cylinder (12) piston rod and be vertical setting, the terminal surface is fixed with connecting rod (27) that are the level setting under last depression bar (26), spread groove (28) have been seted up at connecting rod (27) both ends, spread groove (28) internal slipping is provided with installation pole (13), installation pole (13) end fixing has supporting rod (30) that are used for centre gripping inner circle (1), terminal surface is seted up under supporting rod (30) and is used for joint inner circle (1) and prevent that inner circle (1) from clamping rod (30) upward movement's joint groove (31), be provided with two pulling supporting rod (30) in spread groove (28) and press from both sides tight coupling spring (29) with inner circle (1).
6. A device for detecting and assembling the play of a conical hub unit according to claim 5, characterized in that: the utility model discloses a drive gear, including connecting rod (27), connecting rod (27) internal rotation are connected with drive gear (32), the internal sliding of connecting rod (27) is provided with and is on a parallel with installation pole (13) and with drive gear (32) meshing drive rack (33), the drive tooth's socket with drive gear (32) meshing is seted up to installation pole (13) up end, operation groove (34) have been seted up along its length direction to connecting rod (27) up end, drive rack (33) are fixed with slide and set up in operation groove (34) and be convenient for drive action bars (35) that drive rack (33) slided.
7. A device for detecting and assembling the play of a conical hub unit according to claim 6, characterized in that: two spread groove (28) intercommunication, spread groove (28) internal thread connection has rotation screw rod (36), set up manual groove (37) with spread groove (28) intercommunication on connecting rod (27), two coupling spring (29) both ends are rotated and are connected on rotation screw rod (36), it has operation piece (38) to rotate outer wall integrated into one piece on screw rod (36), operation piece (38) are located just be convenient for stir operation piece (38) and drive rotation screw rod (36) and rotate in manual groove (37).
8. A checking and assembling device of the play of a conical hub unit according to claim 7, characterized in that: the rotation screw rod (36) is gone up and is seted up along the axial and run through groove of stepping down (39) that rotate screw rod (36), operation piece (38) are gone up along rotation screw rod (36) radially set up with groove of stepping down (39) the mounting groove (40) of intercommunication, connecting spring (29) end fixing is equipped with locating lever (41) of wearing to establish in groove of stepping down (39), locating lever (41) end fixing has locating piece (42), be provided with on rotation screw rod (36) and rotate the connection the spacing subassembly of locating piece (42).
9. A device for detecting and assembling the play of a conical hub unit according to claim 8, characterized in that: spacing subassembly includes stopper (43) of threaded connection in mounting groove (40), it is connected with gag lever post (44) to rotate on stopper (43), gag lever post (44) relative both sides are rotated and are connected with axis of rotation (45), it is connected with rolling disc (46) to rotate on axis of rotation (45), rotating groove (47) have been seted up on rolling disc (46), rotating groove (47) run through rolling disc (46) lateral wall just works as stopper (43) towards mounting groove (40) internal motion, stopper (43) joint is in rotate in groove (47).
10. A method of testing a testing and assembling apparatus of the play of a conical hub unit according to claim 1, applied as claimed in claim 9, characterized by the steps of:
s1, mounting the inner ring standard part (5) and the mandrel standard part (4) on one detection device, 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 rotate in opposite directions, and measuring the distance a1 between the mandrel standard part (4) and the inner ring standard part (5) in the rotating process;
s2, mounting the inner ring standard piece (5) on one of the detection devices, mounting the mandrel (3) to be detected and the inner ring standard piece (5) on the corresponding detection devices, starting the driving motor (8) and the servo motor (9) to drive the mandrel (3) and the inner ring standard piece (5) to rotate in opposite directions, and measuring the distance a2 between the mandrel (3) and the inner ring standard piece (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 the driving motor (8) and the servo motor (9) to drive the inner ring (1) and the mandrel standard part (4) to rotate in opposite directions, and measuring the distance a3 between the inner ring (1) and the mandrel standard part (4);
s4, comparing the values of a1, a2 and a3, classifying the inner ring (1) and the mandrel (3) in the same range into a first gear according to the difference values of a2 and a1, and a3 and a1, and assembling the inner ring (1), the mandrel (3) and the outer ring (2) in the same gear to obtain the shaft hub meeting the requirements.
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| CN114923451B (en) | 2023-06-02 |
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