CN113146546B - New energy automobile hub bearing dismounting device and dismounting method - Google Patents
New energy automobile hub bearing dismounting device and dismounting method Download PDFInfo
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- CN113146546B CN113146546B CN202110466791.7A CN202110466791A CN113146546B CN 113146546 B CN113146546 B CN 113146546B CN 202110466791 A CN202110466791 A CN 202110466791A CN 113146546 B CN113146546 B CN 113146546B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/06—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
Abstract
The invention provides a new energy automobile hub bearing dismounting device and a dismounting method, and relates to the technical field of automobile bearing mounting and dismounting; according to the invention, the bearing enclasping base is arranged on the bearing to be disassembled on the front wheel or the rear wheel, the bearing enclasping base extends into the left side of the bearing to be disassembled through the plurality of bearing clamping plates, so that the bearing can be uniformly stressed when being pulled out, each bearing clamping plate can be also in locking connection with the bearing step to be disassembled through a bolt form, the connection firmness when the bearing is pulled out can be effectively improved, and the bearing enclasping base is in locking connection with the connection base of the bearing enclasping base through the rotating base in the disassembling sleeve, so that the installation firmness of the bearing can be effectively improved.
Description
Technical Field
The invention relates to the technical field of automobile bearing mounting and dismounting, in particular to a new energy automobile hub bearing dismounting device and a dismounting method.
Background
The new energy automobile adopts unconventional automobile fuel as a power source (or uses conventional automobile fuel and adopts a novel vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, forms an automobile with advanced technical principle, new technology and new structure, and comprises four types of Hybrid Electric Vehicles (HEV), pure electric vehicles (BEV, including solar energy automobiles), fuel Cell Electric Vehicles (FCEV), other new energy automobiles (such as efficient energy accumulators such as super capacitors and flywheels) and the like. Unconventional automotive fuels refer to fuels other than gasoline, diesel.
The main function of the automobile hub bearing (hub bearing) is to bear load and provide accurate guide for the rotation of a hub, and the hub bearing bears axial load and radial load and is a very important part. The traditional bearing for the automobile wheel is formed by combining two sets of tapered roller bearings or ball bearings, and the installation, the oil coating, the sealing and the clearance adjustment of the bearing are all carried out on an automobile production line. This structure makes it difficult, with high costs, the reliability poor in the assembly of automobile manufacturing factory, and when the car was maintained at the repair site, still need wash, fat liquoring and adjustment to the bearing. The hub bearing unit is developed on the basis of a standard angular contact ball bearing and a tapered roller bearing, integrates two sets of bearings, has the advantages of good assembly performance, capability of omitting play adjustment, light weight, compact structure, large load capacity, capability of filling lubricating grease for sealing the bearings in advance, capability of omitting external hub sealing, free maintenance and the like, is widely applied to cars and has a tendency of gradually expanding application in trucks.
Currently, patent No. CN201320282098.5 discloses a disassembling tool for a hub bearing, comprising a main body part (1), a supporting part (2) and an inserting and clamping part (3), wherein the supporting part (2) is connected to the main body part (1), and a supporting end (21) of the supporting part (2) is formed to be capable of being supported onto a first end outer ring end face (51) of the hub bearing (5); the insertion clamping part (3) is arranged on the main body part (1) and can move back and forth along the axial direction of the hub bearing under the state that the supporting part (2) is supported on the first end outer ring end surface (51), and the insertion clamping part (3) is formed to pass through the center hole of the hub bearing from the first end outer ring end surface (51) and be clamped on the second end inner ring end surface (52) of the hub bearing, so that the hub bearing can be disassembled without disassembling the auxiliary frame, the assembling and disassembling cost is reduced, and the operation efficiency is improved.
The disassembling tool for the hub bearing disclosed by the patent still has some defects in actual use, and the specific defects are as follows:
when a bearing of a new energy automobile hub is disassembled on a hub, the bearing is about to fall off or close to fall off on the hub, and the bearing is easy to fall off on the hub at a moment, so that the bearing is easy to fall off from disassembling equipment, and disassembling personnel are injured.
Disclosure of Invention
The invention aims to provide equipment and a method for dismounting a new energy automobile hub bearing, and solves the technical problem that when a new energy automobile hub bearing is dismounted on a hub, and the bearing is about to fall off or close to fall off on the hub, the bearing is easy to fall off on the hub at one moment, so that the bearing is easy to fall off from the dismounting equipment, and dismounting personnel are injured.
The technical problem to be solved by the invention is realized by adopting the following technical scheme: a new energy automobile hub bearing dismounting device is applied to dismounting a new energy automobile front wheel or rear wheel hub bearing, and is used for mounting and fixing the new energy automobile hub bearing dismounting device by utilizing brake device fixing holes and steering rod fixing holes on the periphery of an automobile hub, so that an automobile hub bearing is quickly dismounted; a dismounting sleeve is fixed in the middle of the sleeve supporting base and fixedly connected with the bearing enclasping base, and the bearing enclasping base is used for dismounting and separating a bearing from an automobile hub by pulling the dismounting sleeve;
the bearing enclasping base comprises a bearing pull rod, a bearing clamping plate and a bearing locking threaded rod, the bearing enclasping base is of a disc structure, the right end face of the bearing enclasping base is provided with a plurality of round holes which are communicated leftwards at equal intervals along the axis of the bearing enclasping base according to the circumference, and each round hole is close to the outer circular face of the bearing enclasping base on the right end face of the bearing enclasping base;
a bearing pull rod is fixedly connected in each round hole through threads, the left end of each bearing pull rod extends into the left side of the bearing to be disassembled, a bearing clamping plate is fixedly arranged at the left end of each bearing pull rod extending into the left side of the bearing to be disassembled, and the bearing clamping plate is attached to the left end face of the bearing;
the automobile hub support device comprises a hub support base and is characterized in that the hub support base comprises a locking nut and a hub support leg, the hub support base is of a disc structure, connecting holes corresponding to brake device fixing holes and steering rod fixing holes are formed in the outer circular surface of the hub support base, the hub support leg is connected between each connecting hole in the outer circular surface of the hub support base and each corresponding brake device fixing hole, threaded surfaces are symmetrically arranged at the left end and the right end of the hub support leg, the threaded surfaces at the two ends of the hub support leg are connected to the brake device fixing holes and the connecting holes of the hub support base through the locking nut, and the hub support base is fixed to the periphery of an automobile hub through the hub support leg;
selecting a connecting hole corresponding to the sleeve supporting base according to the position of a steering rod fixing hole in the new energy automobile hub, installing a base auxiliary supporting leg in the connecting hole corresponding to the sleeve supporting base, and fixedly connecting the left end and the right end of the base auxiliary supporting leg with the connecting hole and the steering rod fixing hole respectively through a locking nut;
the middle part of the sleeve supporting base is provided with a through threaded hole, and the dismounting sleeve is connected into the threaded hole of the sleeve supporting base through threads.
As a preferred technical scheme of the invention, the sleeve supporting base further comprises swing rods, a fixed supporting rod, an arc-shaped slideway and a sliding pin, two swing rods are symmetrically arranged on the outer circumferential surface of the sleeve supporting base, a connecting hole is formed in the middle of each swing rod, and each connecting hole is a long hole;
one end of each swing rod is fixedly provided with a sliding pin, two arc-shaped slideways are symmetrically formed in one end face of each sleeve supporting base, and each swing rod is connected with the corresponding arc-shaped slideway in a sliding mode through the sliding pin.
As a preferred technical scheme of the invention, a through round hole is formed in the end face of the bearing, a bearing locking threaded rod is mounted on the bearing clamping plate, and the bearing clamping plate is in threaded connection with the bearing to be disassembled through the bearing locking threaded rod.
As a preferred technical scheme of the invention, the disassembling sleeve comprises a disassembling shaft lever, a worm gear, a worm and a rack, the disassembling sleeve is arranged in a cylindrical structure, a first through round hole is formed in the middle of the disassembling sleeve, a sliding hole with a square structure is formed in the middle of the first round hole of the disassembling sleeve, a telescopic inner cylinder is connected in the sliding hole in a sliding manner, a second round hole communicated with the first round hole is formed in the middle of the telescopic inner cylinder, and the disassembling shaft lever is arranged in a round rod structure;
the pulling-out shaft rod is arranged in a first round hole and a second round hole in the middle of the detaching sleeve in a sliding fit mode, a first threaded surface is arranged on the inner wall of the second round hole in the middle of the telescopic inner cylinder, and a second threaded surface meshed with the first threaded surface is arranged on the outer circular surface of the pulling-out shaft rod;
a servo motor is fixedly installed on one side of the inner wall of the sliding hole of the disassembling sleeve, an output shaft extends outwards from the servo motor, a worm is fixedly installed at the top end of the output shaft of the servo motor, the worm is meshed with the worm wheel, and the worm wheel is rotatably connected to the inner wall of the sliding hole of the disassembling sleeve;
and one side of the outer wall of the telescopic inner cylinder, which is connected in the sliding hole in a sliding manner, is provided with a rack, and the rack is meshed with the worm wheel in the sliding hole.
As a preferred technical scheme of the invention, a raised connecting boss is fixedly arranged at the left end of the dismounting sleeve, the connecting boss is arranged to be of a cylindrical structure, threads are arranged on the outer circular surface of the connecting boss, an installation base is in threaded connection with the threaded hole in the middle of the sleeve supporting base in a threaded manner, the installation base is arranged to be of a cylindrical structure, a through third round hole is formed in the middle of the installation base, and when the connecting boss at the left end of the dismounting sleeve is installed on the installation base, the dismounting shaft rod penetrates through the third round hole in the middle of the installation base in a sliding connection manner and extends out towards the left end.
As a preferred technical scheme of the invention, the left end of the pulling-out shaft rod is rotatably connected with a rotating base, the rotating base is of a round rod structure, the outer circle surface of the left end of the rotating base is provided with connecting threads, and the outer circle surface of the right end of the rotating base is fixedly provided with a hexagonal nut structure;
the middle part of the bearing enclasping base is provided with a threaded hole, and the threaded hole in the middle part of the bearing enclasping base is fixedly connected with the left end of the rotating base;
each the curved shape hole of S-shaped structure is seted up at the middle part of base landing leg, the outer disc that the base was held tightly to the bearing has set firmly two slide bars, each the slide bar passes corresponding curved shape hole through sliding fit to the outer wall of base landing leg stretches out, stretches out in base landing leg outer wall the slide bar top has set firmly the latch segment.
As a preferable technical scheme of the invention, the outer wall of the disassembling sleeve is provided with a cable wiring hole communicated with the inside of the sliding hole.
As a preferred technical scheme of the invention, a rotary driving plate is fixedly arranged at the right end of the pulling and disassembling shaft lever.
A method for disassembling a new energy automobile hub bearing mainly comprises the following steps:
s1, installing a bearing holding base: the bearing enclasping base is arranged on a bearing to be disassembled on a front wheel or a rear wheel, and the bearing enclasping base extends into the left side of the bearing to be disassembled through a plurality of bearing clamping plates;
s2, installing a sleeve supporting base: after the bearing clasping base is installed in the step S1, a sleeve supporting base is installed, the sleeve supporting base is fixedly connected with a brake device fixing hole on the periphery of an automobile hub through a base supporting leg which is tightly connected on a swing rod, the sleeve supporting base is fixedly connected with a steering rod fixing hole on the periphery of the automobile hub through a base auxiliary supporting leg in the middle of a fixed supporting rod, and the sleeve supporting base is supported through the base supporting leg and the base auxiliary supporting leg to be fixed on the outer side of an automobile hub bearing to be disassembled;
s3, disassembling and installing the sleeve: installing a disassembling sleeve on a sleeve supporting base fixedly installed on the outer side of the automobile hub bearing in the step S2, wherein the left end of the disassembling sleeve is connected to the sleeve supporting base in a locking mode through threads, and a connecting thread extends leftwards from the left end of the disassembling sleeve through a threaded hole of the sleeve supporting base;
s4, disassembling the sleeve and connecting the sleeve with the bearing holding base: connecting threads extending out of the left side of the sleeve supporting base in the step S3 are fixedly connected with the bearing enclasping base, and the connecting threads are in locking connection with a connecting base on the bearing enclasping base;
s5, bearing extraction and disassembly: the worm is driven to rotate by a servo motor in the dismounting sleeve, the worm pushes the worm wheel to rotate, the worm wheel rotates to push the telescopic inner cylinder to axially slide in the sliding hole, at the moment, the dismounting shaft rod is locked and connected with the telescopic inner cylinder through the threads, and in the process that the dismounting shaft rod axially slides in the sliding hole, the bearing enclasping base is synchronously pulled to move rightwards, the bearing to be dismounted is enclasped tightly by the bearing enclasping base, so that the bearing is axially extracted along the axis of the front wheel hub or the rear wheel hub;
s6, left-right shaking of the bearing: in the step S5, in the process that the bearing is axially pulled out from the axis of the front wheel hub or the rear wheel hub, the bearing which is being pulled out is shaken left and right, two sliding rods which tightly hold the outer circular surface of the base are in sliding fit with the corresponding curved holes in a sliding fit mode through the curved holes formed in the middle of the supporting legs of each base, the pulling and dismounting shaft rod pulls the bearing tightly holding base to move rightwards in the process of axially sliding in the sliding holes, and the bearing tightly holding base can be guided by the curved holes in the process of moving rightwards, so that the bearing tightly holding base has slight radial reciprocating rotation in the process of axially moving, the bearing can shake left and right in the process of pulling out from the axis of the front wheel hub or the rear wheel hub, and the speed of dismounting the bearing from the axis of the front wheel hub or the rear wheel hub is increased.
Compared with the prior art, the invention at least comprises the following beneficial effects:
1. according to the invention, the bearing clasping base is arranged on the bearing to be disassembled of the front wheel or the rear wheel, the bearing clasping base extends into the left side of the bearing to be disassembled through the plurality of bearing clamping plates, so that the bearing can be stressed uniformly when being pulled out, each bearing clamping plate can be also in locking connection with the bearing step to be disassembled through a bolt form, the connection firmness of the bearing when being pulled out can be effectively improved, the bearing clasping base is in locking connection with the connecting base of the bearing clasping base through the rotating base in the disassembling sleeve, and further the installation firmness of the bearing can be effectively improved;
2. according to the invention, a servo motor in a dismounting sleeve drives a worm to rotate, the worm pushes a worm wheel to rotate, the worm wheel rotates to push a telescopic inner cylinder to axially slide in a sliding hole, at the moment, a dismounting shaft rod and the telescopic inner cylinder are in locking connection through threads, the dismounting shaft rod can synchronously pull a bearing clasping base to move rightwards in the axial sliding process in the sliding hole, the bearing to be dismounted is clasped by the bearing clasping base, so that the bearing is axially extracted along the axis of a front wheel hub or a rear wheel hub, the bearing shakes leftwards and rightwards on the extracted bearing in the axial extracting process of the front wheel hub or the rear wheel hub, two sliding rods on the outer circular surface of the bearing clasping base are in sliding fit with corresponding curved holes in a sliding fit manner through curved holes formed in the middle parts of supporting legs of each base, the dismounting shaft rod pulls the bearing clasping base to move rightwards in the axial sliding process in the sliding hole, the bearing clasping base is guided by the curved holes in the rightward process of moving the bearing clasping base, so that the bearing clasping base can slightly move towards the axis of a front wheel hub or rear wheel hub in the axial direction of the hub, and the hub can be dismounted.
3. According to the invention, the pulling-unloading shaft rod is rotationally connected with the rotating base, so that when the pulling-unloading shaft rod moves the sleeve supporting base rightwards, the bearing clasping base for clasping the bearing has slight radial reciprocating rotation in the axial moving process through the rotation between the pulling-unloading shaft rod and the rotating base, the bearing can rock left and right in the process of pulling out the bearing on the axis of the front wheel hub or the rear wheel hub, the speed of detaching the bearing on the axis of the front wheel hub or the rear wheel hub is accelerated, and the bearing can be ground in the process of pulling out the bearing by performing reciprocating rotation while axially moving and pulling out the bearing, so that the resistance in the process of pulling out the bearing can be reduced.
4. According to the invention, the bearing is tightly held by the base to pull the bearing to axially move through the drive of the worm and the worm wheel, the rotating force of the motor can be converted into the thrust force for axially moving through the worm as an active part, the negative core of the motor can be effectively reduced, the stability of the bearing for tightly holding the base to pull the bearing to axially move is improved, the bearing cannot be pulled outwards at the moment of pulling out the bearing through the meshing transmission of the worm and the worm wheel, and the bearing cannot be pulled outwards at the moment of pulling out the bearing because the thread teeth on the worm are meshed with the worm, so that the bearing cannot be pulled outwards at the moment of pulling out the bearing, and further the disassembly safety of the bearing is improved.
Drawings
The invention is further illustrated by the following examples in conjunction with the drawings.
FIG. 1 is a front view structural schematic diagram of the new energy automobile hub bearing dismounting device of the present invention;
FIG. 2 is a schematic top view structure diagram of the new energy automobile hub bearing dismounting device of the present invention;
FIG. 3 is a schematic diagram of the position structure of the brake device fixing hole and the steering rod fixing hole around the front wheel hub or the rear wheel hub of the new energy automobile;
FIG. 4 is a left side view of the sleeve support base of the present invention;
FIG. 5 is a front cross-sectional view of the release sleeve of the present invention;
FIG. 6 is a schematic view of a bearing structure to be disassembled according to the present invention;
FIG. 7 is a process flow chart of the method for dismounting the new energy automobile hub bearing of the invention;
in the figure: 1. disassembling the sleeve; 101. a cable wiring hole; 102. an inner telescopic cylinder; 103. pulling out the shaft lever; 104. rotating the drive plate; 105. installing a base; 106. rotating the base; 107. connecting threads; 108. a worm gear; 109. a worm; 110. a servo motor; 111. a slide hole; 112. connecting the bosses; 113. a nut structure; 114. a rack; 115. a first thread face; 116. a second thread face; 2. a sleeve support base; 201. a swing rod; 202. fixing the supporting rod; 203. a threaded hole; 204. an arc-shaped slideway; 205. a slide pin; 3. a lock nut; 4. a base leg; 5. a locking block; 6. a slide bar; 7. the bearing tightly holds the base; 8. connecting a base; 9. a bearing pull rod; 10. a bearing snap-gauge; 11. a bearing locking threaded rod; 12. a pull rod thread; 13. the base assists the landing leg.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described below by combining with the specific drawings, and it is to be noted that the embodiments and the features in the embodiments can be combined with each other in the application without conflict.
Please refer to fig. 1-7, which are schematic structural diagrams illustrating an apparatus and a method for dismounting a new energy automobile hub bearing;
a new energy automobile hub bearing dismounting device is applied to dismounting a new energy automobile front wheel or rear wheel hub bearing, the new energy automobile hub bearing dismounting device is fixedly mounted through a brake device fixing hole and a steering rod fixing hole on the periphery of an automobile hub, and quick dismounting of an automobile hub bearing is achieved; a dismounting sleeve 1 is fixed in the middle of the sleeve supporting base 2, the dismounting sleeve 1 is fixedly connected with a bearing enclasping base 7, and the bearing enclasping base 7 detaches and separates a bearing from an automobile hub by pulling of the dismounting sleeve 1;
the bearing enclasping base 7 comprises a bearing pull rod 9, a bearing clamping plate 10 and a bearing locking threaded rod 11, the bearing enclasping base 7 is of a disc structure, a convex connecting base 8 is arranged in the middle of the bearing enclasping base 7, a through threaded hole is formed in the middle of the connecting base 8, a plurality of round holes which are communicated leftwards are formed in the right end face of the bearing enclasping base 7 at equal intervals along the axis of the bearing enclasping base 7 according to the circumference, and each round hole is close to the outer circular face of the bearing enclasping base 7 on the right end face of the bearing enclasping base 7;
a bearing pull rod 9 is fixedly connected in each round hole through threads, the left end of each bearing pull rod 9 extends into the left side of the bearing to be disassembled, a bearing clamping plate 10 is fixedly arranged at the left end of each bearing pull rod 9 extending into the left side of the bearing to be disassembled, and the bearing clamping plate 10 is attached to the left end face of the bearing;
the sleeve supporting base 2 comprises a locking nut 3 and base supporting legs 4, the sleeve supporting base 2 is arranged to be of a disc structure, connecting holes corresponding to the brake device fixing holes and the steering rod fixing holes are formed in the outer circular surface of the sleeve supporting base 2, the base supporting legs 4 are connected between each connecting hole in the outer circular surface of the sleeve supporting base 2 and each corresponding brake device fixing hole, threaded surfaces are symmetrically arranged at the left end and the right end of each base supporting leg 4, the threaded surfaces at the two ends of each base supporting leg 4 are connected to the brake device fixing holes and the connecting holes of the sleeve supporting base 2 through the locking nut 3, and the sleeve supporting base 2 is fixed to the periphery of the automobile hub through the base supporting legs 4;
selecting a connecting hole corresponding to the sleeve supporting base 2 according to the position of a steering rod fixing hole on the new energy automobile hub, installing a base auxiliary supporting leg 13 in the connecting hole corresponding to the sleeve supporting base 2, and fixedly connecting the left end and the right end of the base auxiliary supporting leg 13 with the connecting hole and the steering rod fixing hole through a locking nut 3 respectively;
the middle part of the sleeve supporting base 2 is provided with a through threaded hole 203, and the dismounting sleeve 1 is connected in the threaded hole 203 of the sleeve supporting base 2 through threads.
Specifically, the bearing clasping base 7 is arranged on a bearing to be disassembled of the front wheel or the rear wheel, the bearing clasping base 7 extends into the left side of the bearing to be disassembled through the plurality of bearing clamping plates, so that the bearing can be stressed uniformly when being pulled out, each bearing clamping plate can be in locking connection with a bearing step to be disassembled through a bolt form, the connection firmness of the bearing when being pulled out can be effectively improved, and the bearing clasping base 7 is in locking connection with the connection base of the bearing clasping base 7 through the rotating base 106 in the disassembling sleeve 1, so that the installation firmness of the bearing can be effectively improved.
The sleeve supporting base 2 further comprises swing rods 201, a fixed support rod 202, an arc-shaped slideway 204 and a sliding pin 205, two swing rods 201 are symmetrically arranged on the outer circular surface of the sleeve supporting base 2, a connecting hole is formed in the middle of each swing rod 201, and each connecting hole is a long hole;
one end of each swing rod 201 is fixedly provided with a sliding pin 205, one end face of each sleeve supporting base 2 is symmetrically provided with two arc-shaped slideways 204, and each swing rod 201 is connected with the corresponding arc-shaped slideway 204 in a sliding manner through the sliding pin 205. Can be so that the pendulum rod 201 of the outer disc of sleeve support base 2 can carry out the regulation of adaptability according to different motorcycle types, improve the practicality of this bearing disassembling equipment. If the round hole that link up is seted up to the bearing end face, install bearing locking threaded rod 11 on the bearing cardboard 10, bearing cardboard 10 through bearing locking threaded rod 11 with treat the bearing threaded connection who dismantles, improve the firm in connection nature to the bearing, avoid the bearing can not break away from in the twinkling of an eye of extracting, effectively improve the dismantlement security of bearing.
The dismounting sleeve 1 comprises a dismounting shaft lever 103, a worm gear 108, a worm 109 and a rack 114, the dismounting sleeve 1 is arranged to be of a cylindrical structure, a first through round hole is formed in the middle of the dismounting sleeve 1, a sliding hole 111 of a square structure is formed in the middle of the first round hole of the dismounting sleeve 1, the sliding hole 111 is connected with the telescopic inner cylinder 102 in a sliding mode, a second round hole communicated with the first round hole is formed in the middle of the telescopic inner cylinder 102, and the dismounting shaft lever 103 is arranged to be of a round rod structure;
the pulling-out shaft rod 103 is arranged in a first round hole and a second round hole in the middle of the pulling-out sleeve 1 in a sliding fit mode, a first threaded surface 115 is arranged on the inner wall of the second round hole in the middle of the telescopic inner cylinder 102, and a second threaded surface 116 meshed with the first threaded surface 115 is arranged on the outer circular surface of the pulling-out shaft rod 103;
a servo motor 110 is fixedly installed on one side of the inner wall of the sliding hole 111 of the dismounting sleeve 1, an output shaft extends outwards from the servo motor 110, a worm 109 is fixedly installed at the top end of the output shaft of the servo motor 110, the worm 109 is meshed with a worm gear 108, and the worm gear 108 is rotatably connected to the inner wall of the sliding hole 111 of the dismounting sleeve 1;
one side of the outer wall of the telescopic inner cylinder 102 which is slidably connected in the sliding hole 111 is provided with a rack 114, and the rack 114 is engaged with the worm gear 108 in the sliding hole 111.
Specifically, according to the invention, a servo motor 110 in the dismounting sleeve 1 drives a worm 109 to rotate, the worm 109 pushes a worm gear 108 to rotate, the worm gear 108 rotates to push a telescopic inner cylinder to axially slide in a slide hole, at the moment, a dismounting shaft rod is in locking connection with the telescopic inner cylinder through threads, the bearing clasping base 7 is synchronously pulled to move rightwards during the axial sliding process of the dismounting shaft rod in the slide hole, the bearing to be dismounted is clasped by the bearing clasping base 7, so that the bearing is axially pulled out along the axis of a front wheel hub or a rear wheel hub, the bearing pulls the bearing clasping base 7 during the axial pulling out process of the front wheel hub or the rear wheel hub, the bearing to be pulled out is shaken leftwards and rightwards during the axial sliding process of the front wheel hub or the rear wheel hub, the bearing clasping base 7 is moved rightwards by a curved hole formed in the middle of each base supporting leg 4, two sliding rods on the outer circular surface of the bearing clasping base 7 are in sliding fit with the corresponding curved holes in a sliding fit mode, the dismounting shaft rod pulls the bearing clasping base 7 during the axial sliding process, and the axial sliding process of the bearing clasping hub can slightly shake during the axial movement of the front wheel hub or the hub after the hub.
Dismantle the left end of sleeve 1 and be equipped with bellied connection boss 112 admittedly, connection boss 112 sets up to the cylinder structure, the outer disc of connecting boss 112 is equipped with the screw thread, threaded hole 203 female connection at sleeve support base 2 middle part has installation base 105, installation base 105 sets up to the drum structure, the third round hole that link up is seted up at the middle part of installation base 105, when the connection boss 112 of dismantling the sleeve 1 left end is installed on installation base 105, pull out the third round hole that axostylus axostyle 103 passed installation base 105 middle part through the sliding connection mode and stretch out to the left end. The connecting boss 112 is connected with the third round hole in the middle of the mounting base 105, so that the mounting firmness of the dismounting sleeve 1 is improved.
The left end of the pulling shaft rod 103 is rotatably connected with a rotating base 106, the rotating base 106 is arranged to be a round rod structure, the outer circular surface of the left end of the rotating base 106 is provided with a connecting thread 107, and the outer circular surface of the right end of the rotating base 106 is fixedly provided with a hexagonal nut structure 113; when being convenient for connecting, the rotating base 106 is rotated by the rotation of the wrench, so that the connection firmness is improved.
A threaded hole is formed in the middle of the bearing enclasping base 7, and the threaded hole in the middle of the bearing enclasping base 7 is fixedly connected with the left end of the rotating base 106;
the curved hole 14 of S-shaped structure is seted up at the middle part of each base landing leg 4, and the outer disc that the base 7 was held tightly to the bearing has set firmly two slide bars 6, and each slide bar 6 passes corresponding curved hole 14 through sliding fit mode and stretches out to the outer wall of base landing leg 4, and the slide bar 6 top that stretches out in the outer wall of base landing leg 4 has set firmly latch segment 5.
Specifically, according to the invention, a servo motor 110 in the dismounting sleeve 1 drives a worm 109 to rotate, the worm 109 pushes a worm gear 108 to rotate, the worm gear 108 rotates to push a telescopic inner cylinder to axially slide in a slide hole, at the moment, because a dismounting shaft rod is in threaded locking connection with the telescopic inner cylinder, the dismounting shaft rod synchronously pulls a bearing clasping base 7 to move rightwards in the axial sliding process in the slide hole, the bearing to be dismounted is clasped by the bearing clasping base 7, so that the bearing is axially pulled out along the axis of a front wheel hub or a rear wheel hub, the bearing pulls the bearing clasping base 7 in the axial pulling process of the front wheel hub or the rear wheel hub, the bearing to be pulled out shakes leftwards and rightwards in the axial sliding process, two sliding rods on the outer circumferential surface of the bearing clasping base 7 are in sliding fit with corresponding holes in a sliding fit mode through a curved hole formed in the middle of each base supporting leg 4, the dismounting pulls the bearing clasping base 7 to clasp the base 7 in the axial sliding process of the slide hole, the bearing clasping base 7 is guided by the curved hole in the rightward movement, the axial sliding process of the bearing clasping hub, and the bearing can be slightly pulled out on the front wheel hub or the hub in the axial sliding process of the front wheel hub, so that the hub can be slightly lifted bearing clasping wheel hub and the hub can be pulled out.
Specifically, the pulling-out shaft rod is rotatably connected with the rotating base 106, so that when the pulling-out shaft rod moves rightwards on the sleeve supporting base 2, the bearing clasping base 7 which clasps the bearing has slight radial reciprocating rotation in the axial moving process through the rotation between the pulling-out shaft rod and the rotating base 106, the bearing can swing left and right in the process of pulling out the bearing from the axis of the front wheel hub or the rear wheel hub, the speed of detaching the bearing from the axis of the front wheel hub or the rear wheel hub is increased, the bearing can be removed by rotating the bearing in a reciprocating mode while moving in the axial direction, the corrosion on the surface of the bearing can be removed, and the resistance in the bearing pulling-out process can be reduced.
The outer wall of the dismounting sleeve 1 is provided with a cable wiring hole 101 communicated with the inside of the sliding hole 111, the cable is conveniently connected with a servo motor inside the dismounting sleeve 1 through the cable wiring hole 101, the right end of the pulling-out shaft rod 103 is fixedly provided with a rotating dial 104, the manual twisting, pulling-out and disassembling of the shaft rod 103 is convenient to rotate, the extending length of the pulling-out shaft rod 103 is controlled, and the bearing clasping base 7 is convenient to connect.
A new energy automobile hub bearing dismounting method mainly comprises the following steps:
s1, installing a bearing holding base 7: the bearing enclasping base 7 is arranged on a bearing to be disassembled on a front wheel or a rear wheel, and the bearing enclasping base 7 extends into the left side of the bearing to be disassembled through a plurality of bearing clamping plates 10;
s2, mounting a sleeve supporting base: step S1, after the bearing clasping base 7 is installed, a sleeve supporting base 2 is installed, the sleeve supporting base 2 is fixedly connected with brake device fixing holes on the periphery of an automobile hub through base supporting legs which are tightly connected on a swing rod, the sleeve supporting base 2 is fixedly connected with steering rod fixing holes on the periphery of the automobile hub through base auxiliary supporting legs 13 in the middle of a fixing supporting rod 202, and the sleeve supporting base 2 is supported through the base supporting legs 4 and the base auxiliary supporting legs 13 to enable the sleeve supporting base 2 to be fixed on the outer side of an automobile hub bearing to be disassembled;
s3, disassembling the sleeve 1 and installing: installing a dismounting sleeve 1 on a sleeve supporting base 2 fixedly installed on the outer side of the automobile hub bearing in the step S2, wherein the left end of the dismounting sleeve 1 is connected to the sleeve supporting base 2 through thread locking, and a connecting thread 107 extends leftwards from the left end of the dismounting sleeve 1 through a threaded hole 203 of the sleeve supporting base 2;
s4, the dismounting sleeve 1 is connected with the bearing holding base 7: the connecting thread 107 extending out of the left side of the sleeve supporting base 2 in the step S3 is fixedly connected with the bearing enclasping base 7, and the connecting thread 107 is in locking connection with the connecting base 8 on the bearing enclasping base 7;
s5, bearing extraction and disassembly: the worm 109 is driven to rotate by a servo motor 110 in the dismounting sleeve 1, the worm 109 pushes a worm wheel 108 to rotate, the worm wheel 108 rotates to push the telescopic inner cylinder 102 to axially slide in the sliding hole 111, at the moment, as the dismounting shaft lever 103 is in locking connection with the telescopic inner cylinder 102 through threads, the dismounting shaft lever 103 synchronously pulls the bearing clasping base 7 to move rightwards in the process of axially sliding in the sliding hole 111, and clasps the bearing to be dismounted through the bearing clasping base 7, so that the bearing is axially pulled out along the axis of the front wheel hub or the rear wheel hub;
s6, left-right shaking of the bearing: in the step S5, during the axial extraction of the bearing on the axis of the front wheel hub or the rear wheel hub, the bearing which is being extracted is shaken leftwards and rightwards, the two slide bars 6 which tightly hold the outer circular surface of the base 7 are in sliding fit with the corresponding curved holes 14 in a sliding fit mode through the curved holes 14 formed in the middle of each base supporting leg 4, the bearing tightly-holding base 7 is pulled to move rightwards by the pulling and dismounting shaft lever 103 in the axial sliding process of the sliding holes 111, and during the rightward movement of the bearing tightly-holding base 7, the bearing tightly-holding base 7 can be guided by the curved holes 14, so that the bearing tightly-holding base 7 has slight radial reciprocating rotation in the axial moving process, the bearing can shake leftwards and rightwards during the axial extraction of the bearing on the axis of the front wheel hub or the axis of the rear wheel hub, and the speed of dismounting the bearing on the axis of the front wheel hub or the axis of the rear wheel hub is accelerated.
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 given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A new energy automobile hub bearing dismounting device is applied to dismounting a new energy automobile front wheel or rear wheel hub bearing, and is used for mounting and fixing the new energy automobile hub bearing dismounting device through brake device fixing holes and steering rod fixing holes on the periphery of an automobile hub, so that an automobile hub bearing is quickly dismounted; a dismounting sleeve is fixed in the middle of the sleeve supporting base and fixedly connected with the bearing enclasping base, and the bearing enclasping base is used for dismounting and separating a bearing from an automobile hub by pulling the dismounting sleeve;
the bearing enclasping base comprises a bearing pull rod, a bearing clamping plate and a bearing locking threaded rod, the bearing enclasping base is of a disc structure, a plurality of round holes which are communicated leftwards are formed in the right end face of the bearing enclasping base at equal intervals along the axis of the bearing enclasping base along the circumference, and each round hole is close to the outer circular face of the bearing enclasping base on the right end face of the bearing enclasping base;
a bearing pull rod is fixedly connected in each round hole through threads, the left end of each bearing pull rod extends into the left side of a bearing to be disassembled, a bearing clamping plate is fixedly arranged at the left end of each bearing pull rod extending into the left side of the bearing to be disassembled, and the bearing clamping plates are attached to the left end face of the bearing;
the sleeve supporting base comprises a locking nut and base supporting legs, the sleeve supporting base is arranged to be of a disc structure, connecting holes corresponding to the brake device fixing holes and the steering rod fixing holes are formed in the outer circular surface of the sleeve supporting base, the base supporting legs are connected between each connecting hole in the outer circular surface of the sleeve supporting base and each corresponding brake device fixing hole, threaded surfaces are symmetrically arranged at the left end and the right end of each base supporting leg, the threaded surfaces at the two ends of each base supporting leg are connected to the brake device fixing holes and the connecting holes of the sleeve supporting base through the locking nut, and the sleeve supporting base is fixed to the periphery of an automobile hub through the base supporting legs;
selecting a connecting hole corresponding to the sleeve supporting base according to the position of a steering rod fixing hole in the new energy automobile hub, and installing a base auxiliary supporting leg in the connecting hole corresponding to the sleeve supporting base, wherein the left end and the right end of the base auxiliary supporting leg are respectively fixedly connected with the connecting hole and the steering rod fixing hole through a locking nut;
the middle part of the sleeve supporting base is provided with a through threaded hole, and the disassembling sleeve is connected in the threaded hole of the sleeve supporting base through threads;
the disassembling sleeve comprises a pulling-out shaft lever, a worm wheel, a worm and a rack, the disassembling sleeve is arranged in a cylindrical structure, a first through round hole is formed in the middle of the disassembling sleeve, a sliding hole in a square structure is formed in the middle of the first round hole of the disassembling sleeve, a telescopic inner cylinder is connected in the sliding hole in a sliding mode, a second round hole communicated with the first round hole is formed in the middle of the telescopic inner cylinder, and the pulling-out shaft lever is arranged in a round rod structure;
the pulling-out shaft rod is arranged in a first round hole and a second round hole in the middle of the detaching sleeve in a sliding fit mode, a first threaded surface is arranged on the inner wall of the second round hole in the middle of the telescopic inner cylinder, and a second threaded surface meshed with the first threaded surface is arranged on the outer circular surface of the pulling-out shaft rod;
a servo motor is fixedly installed on one side of the inner wall of the sliding hole of the disassembling sleeve, an output shaft extends outwards from the servo motor, a worm is fixedly installed at the top end of the output shaft of the servo motor, the worm is meshed with the worm wheel, and the worm wheel is rotatably connected to the inner wall of the sliding hole of the disassembling sleeve;
and one side of the outer wall of the telescopic inner cylinder, which is connected in the sliding hole in a sliding manner, is provided with a rack, and the rack is meshed with the worm wheel in the sliding hole.
2. The new energy automobile hub bearing dismounting device according to claim 1, characterized in that: the sleeve supporting base further comprises swing rods, a fixed supporting rod, an arc-shaped slideway and a sliding pin, two swing rods are symmetrically arranged on the outer circumferential surface of the sleeve supporting base, a connecting hole is formed in the middle of each swing rod, and each connecting hole is a long hole;
one end of each swing rod is fixedly provided with a sliding pin, two arc-shaped slideways are symmetrically formed in one end face of each sleeve supporting base, and each swing rod is connected with the corresponding arc-shaped slideway in a sliding mode through the sliding pin.
3. The device for dismounting the bearing of the new energy automobile hub according to claim 1, is characterized in that: the bearing clamping plate is connected with a bearing to be disassembled through the bearing locking threaded rod.
4. The device of claim 3 for dismounting a new energy automobile hub bearing, characterized in that: the left end of the dismounting sleeve is fixedly provided with a raised connecting boss, the connecting boss is arranged to be of a cylindrical structure, the outer circular surface of the connecting boss is provided with threads, the threaded hole in the middle of the sleeve supporting base is connected with an installing base in an internal thread mode, the installing base is arranged to be of a cylindrical structure, a through third round hole is formed in the middle of the installing base, when the connecting boss at the left end of the dismounting sleeve is installed on the installing base, the dismounting shaft rod penetrates through the third round hole in the middle of the installing base in a sliding connection mode and extends out towards the left end.
5. The device of claim 4, wherein the device for dismounting the bearing of the new energy automobile hub is characterized in that: the left end of the pulling-out shaft rod is rotatably connected with a rotating base, the rotating base is of a round rod structure, the outer circular surface of the left end of the rotating base is provided with connecting threads, and the outer circular surface of the right end of the rotating base is fixedly provided with a hexagonal nut structure;
the middle part of the bearing clasping base is provided with a threaded hole, and the threaded hole in the middle part of the bearing clasping base is fixedly connected with the left end of the rotating base;
each the curved shape hole of S-shaped structure is seted up at the middle part of base landing leg, the outer disc that the base was held tightly to the bearing has set firmly two slide bars, each the slide bar passes corresponding curved shape hole through sliding fit to the outer wall of base landing leg stretches out, stretches out in base landing leg outer wall the slide bar top has set firmly the latch segment.
6. The new energy automobile hub bearing dismounting device according to claim 4, characterized in that: and the outer wall of the dismounting sleeve is provided with a cable wiring hole communicated with the inside of the sliding hole.
7. The device of claim 4, wherein the device for dismounting the bearing of the new energy automobile hub is characterized in that: the right end of the pulling-out shaft lever is fixedly provided with a rotary drive plate.
8. A new energy automobile hub bearing dismounting method is characterized in that the new energy automobile hub bearing dismounting method is mainly completed by matching new energy automobile hub bearing dismounting equipment according to claim 5, and the new energy automobile hub bearing dismounting method mainly comprises the following steps:
s1, installing a bearing holding base: the bearing enclasping base is arranged on a bearing to be disassembled on a front wheel or a rear wheel, and the bearing enclasping base extends into the left side of the bearing to be disassembled through a plurality of bearing clamping plates;
s2, mounting a sleeve supporting base: after the bearing clasping base is installed in the step S1, a sleeve supporting base is installed, the sleeve supporting base is fixedly connected with brake device fixing holes on the periphery of the automobile hub through base supporting legs which are tightly connected on a swing rod, the sleeve supporting base is fixedly connected with steering rod fixing holes on the periphery of the automobile hub through base auxiliary supporting legs in the middle of a fixing supporting rod, and the sleeve supporting base is fixed on the outer side of an automobile hub bearing to be disassembled through the supporting of the base supporting legs and the base auxiliary supporting legs;
s3, disassembling and installing the sleeve: installing a disassembling sleeve on a sleeve supporting base fixedly installed on the outer side of the automobile hub bearing in the step S2, wherein the left end of the disassembling sleeve is connected to the sleeve supporting base in a locking mode through threads, and a connecting thread extends leftwards from the left end of the disassembling sleeve through a threaded hole of the sleeve supporting base;
s4, the dismounting sleeve is connected with the bearing holding base: connecting threads extending out of the left side of the sleeve supporting base in the step S3 are fixedly connected with the bearing enclasping base, and the connecting threads are in locking connection with a connecting base on the bearing enclasping base;
s5, pulling out and disassembling the bearing: the worm is driven to rotate by a servo motor in the dismounting sleeve, the worm pushes the worm wheel to rotate, the worm wheel rotates to push the telescopic inner cylinder to axially slide in the sliding hole, at the moment, the dismounting shaft rod is in locking connection with the telescopic inner cylinder through threads, the bearing clasping base is synchronously pulled to move rightwards in the process of axial sliding of the dismounting shaft rod in the sliding hole, the bearing to be dismounted is clasped by the bearing clasping base, and the bearing is axially pulled out along the axis of the front wheel hub or the rear wheel hub;
s6, shaking the bearing left and right: in the step S5, in the process that the bearing is axially pulled out from the axis of the front wheel hub or the rear wheel hub, the bearing which is being pulled out is shaken leftwards and rightwards, two sliding rods which tightly hold the outer circular surface of the base are in sliding fit with the corresponding curved holes in a sliding fit mode through the curved holes formed in the middle of each base supporting leg, the bearing tightly-holding base is pulled to move rightwards by the pulling and dismounting shaft rod in the process of axial sliding in the sliding holes, and the bearing tightly-holding base can be guided by the curved holes in the process of moving rightwards, so that the bearing tightly-holding base has slight radial reciprocating rotation in the process of moving axially, the bearing can shake leftwards and rightwards in the process of pulling out from the axis of the front wheel hub or the rear wheel hub, and the speed of dismounting the bearing on the axis of the front wheel hub or the rear wheel hub is increased.
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| CN202110466791.7A CN113146546B (en) | 2021-04-28 | 2021-04-28 | New energy automobile hub bearing dismounting device and dismounting method |
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| CN202110466791.7A CN113146546B (en) | 2021-04-28 | 2021-04-28 | New energy automobile hub bearing dismounting device and dismounting method |
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| CN113146546B true CN113146546B (en) | 2022-12-13 |
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| US20110214269A1 (en) * | 2010-03-05 | 2011-09-08 | Min-Chi Yu | Bearing puller |
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| KR20020053349A (en) * | 2000-12-27 | 2002-07-05 | 이계안 | Hub bearing cub puller device of vehicle |
| CN205033153U (en) * | 2015-10-14 | 2016-02-17 | 北京南口轨道交通机械有限责任公司 | Bearing dismounting device |
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Effective date of registration: 20221123 Address after: 523000 Room 202, No. 1, Getang Middle Street, Xiegang Town, Dongguan City, Guangdong Province Applicant after: DONGGUAN CITY HUAYUANSHENG HARDWARE PRODUCTS Co.,Ltd. Address before: 117 Wuliqiao Road, Yulin City, Guangxi Zhuang Autonomous Region Applicant before: Tian Sujun |
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