CN112157429A

CN112157429A - High-speed high-bearing hub bearing unit and assembling method thereof

Info

Publication number: CN112157429A
Application number: CN202011196559.8A
Authority: CN
Inventors: 俞玉兰; 黄耿良
Original assignee: Xinchang Linquan Bearing Co ltd
Current assignee: Xinchang Linquan Bearing Co ltd
Priority date: 2020-10-31
Filing date: 2020-10-31
Publication date: 2021-01-01

Abstract

The invention discloses a high-speed high-bearing hub bearing unit and an assembling method thereof, and the high-speed high-bearing hub bearing unit comprises a body, wherein the body is provided with a bearing sleeve, an inner flange plate arranged at the front end of the bearing sleeve and a fixed disk fixedly connected to the outer side wall of the rear end of the bearing sleeve, positioning holes and mounting holes are distributed on the circumference of the inner flange plate, the positioning holes and the mounting holes are arranged at intervals, connecting screws are arranged in the mounting holes, a reinforcing sleeve is sleeved on the outer side of the bearing sleeve and positioned between the inner flange plate and the fixed disk, the fixed disk is provided with a clamping assembly, and the clamping assembly clamps the reinforcing sleeve so that the; the method comprises the following steps: a. preparation before assembly; b. clamping; c. assembling a reinforcing sleeve; d. assembling a clamping assembly; e. and (5) finishing assembly. The invention increases the stability and the bearing capacity of the bearing sleeve, and avoids the deformation and the crack of the bearing sleeve, thereby greatly prolonging the service life of the hub bearing unit.

Description

High-speed high-bearing hub bearing unit and assembling method thereof

Technical Field

The invention belongs to the technical field of bearing equipment, and particularly relates to a high-speed high-bearing hub bearing unit and an assembling method thereof.

Background

The main function of the hub bearing is to bear load and provide precise guidance for the rotation of the 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 clearance adjustment, light weight, compact structure, large load capacity, capability of filling lubricating grease in advance for sealing the bearings, capability of omitting external hub sealing, free maintenance and the like, is widely used in cars, and has a tendency of gradually expanding application in trucks.

Because the wheel hub bearing unit of car not only will bear axial load but also will bear radial load, lead to the bearing to take place deformation easily to lead to the inner ring of bearing to take place the dead phenomenon of card, the casing of bearing produces the crack when serious, leads to the lubricating oil in the bearing to leak, makes the bearing generate heat and the excessive phenomenon of wearing and tearing produce, thereby greatly reduced the life of bearing.

Disclosure of Invention

The invention aims to solve the technical problems in the prior art and provides a high-speed high-bearing hub bearing unit and an assembly method thereof, wherein an inner flange plate is arranged at the front end of a bearing sleeve, a reinforcing plate is arranged at the rear end of the bearing sleeve, a reinforcing sleeve is sleeved between the inner flange plate and the reinforcing plate, a clamping assembly is arranged on a fixed plate, and the reinforcing sleeve is clamped by the clamping assembly, so that the reinforcing sleeve is clamped on the outer side wall of the bearing sleeve, the stability and the bearing capacity of the bearing sleeve are improved, the bearing sleeve is prevented from being deformed and cracked, and the service life of the hub bearing unit is greatly prolonged; in the assembling method, arc-shaped jackets of two specifications are prepared, namely a first clamp and a second clamp respectively, the first clamp is matched with the jacket part for reinforcing and interplanting, and the second clamp is matched with the clamping disc, so that the pushing assembly can conveniently clamp the reinforcing jacket and the clamping disc respectively; the inner flange plate is fixed on the first clamping plate by inserting the first positioning column on the first clamping plate into the positioning hole on the inner flange plate, and the inner flange plate can move along the sliding rail by driving the first sliding frame; the second positioning column on the second clamping disc is inserted into the first fixing hole of the fixed disc, so that the fixed disc is fixed on the second clamping disc, the fixed disc can move along the sliding rails by driving the second sliding frame, and the first sliding frame and the second sliding frame are respectively provided with two ends of the sliding rails, so that the center of the fixed disc is consistent with the center of the inner flange plate in the moving process of the fixed disc and the inner flange plate, the fixed disc and the inner flange plate are prevented from being deviated in the mounting process, and the assembling precision of the hub bearing unit is improved; the driving motor drives the driving gear to rotate, the driving gear drives the transmission rack, and therefore the ejector rod is controlled to move towards one side of the center of the assembling table along the guide rail, the first clamping clamp clamps the reinforcing sleeve, then the second sliding frame is driven towards one side of the reinforcing sleeve, the fixed disc is driven to move towards one side of the reinforcing sleeve, a connecting part in the reinforcing sleeve is inserted into an inserting groove of the fixed disc, the ejection assembly is arranged to facilitate welding and fixing between the reinforcing sleeve and the fixed disc, the phenomenon that the reinforcing sleeve shakes when being welded to the fixed disc is avoided, manpower required by assembly is saved, meanwhile, assembly precision is improved, and the arrangement of the inserting groove plays a role in positioning for installation of the reinforcing sleeve; the pushing component after replacing the second clamp fixes the clamping disk, then the adjusting screw rod is placed in the first step hole of the fixed disk and is screwed with the first fastening nut through the arrangement of the first step hole, thereby fixing the adjusting screw on the fixed disk, screwing the second fastening nut close to one end of the fixed disk into the adjusting screw for the first time, and having a positioning function on the installation position of the clamping disk, then the second sliding frame is driven to move towards the direction of the clamping disc, so that the adjusting screw rod passes through the clamping disc, so that the second fastening nut on the adjusting screw abuts against one side of the clamping disc and is screwed into the second fastening nut close to one side of the inner flange plate, thereby fixing the clamping disc and then adjusting the screw rod, the arrangement of the second nut not only plays a role in positioning the installation of the clamping disc, meanwhile, the clamping disc is fixed, and the mounting position of the clamping disc on the screw can be adjusted; and finally, simultaneously driving the first sliding frame and the second sliding frame to move towards one side of the center of the assembling table, and enabling the reinforcing sleeve to be tightly clamped on the outer side wall of the bearing sleeve through a jacking piece on the clamping disc, so that the assembly of the hub bearing unit is completed.

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides a high-speed high-bearing wheel hub bearing unit, includes the body, and the body is equipped with the bearing housing, locates the interior ring flange of the front end of bearing housing and the fixed disk of fixed connection at the rear end lateral wall of bearing housing, and interior ring flange circumference distributes and has locating hole and mounting hole, and the locating hole sets up with the mounting hole interval, and the mounting hole is equipped with connecting screw, its characterized in that: the outside cover of bearing housing is equipped with the reinforcement cover, and the reinforcement cover is located between ring flange and the fixed disk, and the fixed disk is equipped with clamping component, and clamping component presss from both sides tight reinforcement cover for the lateral wall of reinforcement cover chucking bearing housing. According to the hub bearing unit, the inner flange plate is arranged at the front end of the bearing sleeve, the reinforcing plate is arranged at the rear end of the bearing sleeve, the reinforcing sleeve is sleeved between the inner flange plate and the reinforcing plate, the clamping assembly is arranged on the fixing plate, and the reinforcing sleeve is clamped through the clamping assembly, so that the reinforcing sleeve is clamped on the outer side wall of the bearing sleeve, the stability and the bearing capacity of the bearing sleeve are improved, the bearing sleeve is prevented from being deformed and cracked, and the service life of the hub bearing unit is greatly prolonged.

Further, the center of fixed disk is equipped with the through-hole, and the fixed disk passes through the through-hole to be fixed in the outside of bearing housing, and the lateral wall circumference of fixed disk distributes and has two at least fixed blocks, and the fixed block is equipped with first fixed orifices, and first fixed orifices is used for fixed body. The setting of fixed block has increased the fixed contact surface of fixed time and has connect to increased the fastness of fixed disk, improved wheel hub bearing unit's bearing capacity.

Furthermore, the both sides of fixed block all are equipped with the connecting block, and connecting block fixedly connected with adjusting part, clamping components locate the one end that adjusting part is close to interior ring flange. The connecting block is arranged to increase the contact area of the fixed disk during fixing, and the adjusting component is arranged to adjust the position of the clamping component, so that the clamping component can be conveniently clamped and the reinforcing sleeve can be conveniently fixed.

Furthermore, one end of the connecting block, which is close to the fixing block, is provided with a first step hole, the other end of the connecting block is provided with a second fixing hole, the second fixing hole is used for fixing the body, the other end of the adjusting component is fixed in the first step hole, and the first step hole and the second fixing hole are circumferentially distributed on the outer side of the fixing disc. The setting of second fixed orifices has increased the steadiness of fixed disk, the regulation subassembly is fixed in being used for in first step hole.

Furthermore, the adjusting assembly comprises a first fastening nut, a second fastening nut and an adjusting screw rod, one end of the adjusting screw rod penetrates through the first stepped hole, the other end of the adjusting screw rod is clamped in the first stepped hole, the adjusting screw rod is provided with the first fastening nut and the second fastening nut, the first fastening nut is screwed on one side of the connecting block, and the second fastening nut is screwed on two sides of the clamping assembly. The first fastening nut and the first step hole are arranged, the fixed connection of the adjusting screw rod and the connecting block is achieved, the second fastening nut is arranged to fix the clamping assembly, and an adjusting effect is achieved on the clamping assembly.

Further, consolidate the cover and include connecting portion, the portion is established to the cover and the clamping part, the cover is established the position and is located between connecting portion and the clamping part, connecting portion, the setting of cover portion and clamping part integrated into one piece, the fixed disk is close to the one end of consolidating the cover and is equipped with the slot, connecting portion and slot phase-match, connecting portion insert in the slot, the cover is established the portion cover and is established the lateral wall at the bearing housing, the clamping part is the loudspeaker form, clamping component is to the tight clamping part in bearing housing one side top to control clamping part chucking bearing housing. The connecting portion set up and be used for fixing the reinforcement cover on the fixed disk, the setting of cover portion of establishing is used for adjusting the position of reinforcement cover at the bearing housing, and the tight subassembly top of rethread clamp pushes away the chucking portion for chucking bearing housing of chucking portion, thereby increased the stability of bearing housing, avoided bearing housing to appear warping and crack, improved the life of bearing housing greatly.

Furthermore, the clamping assembly comprises a clamping disc and a jacking piece, one end of the adjusting screw penetrates through the clamping disc, the second fastening nuts are screwed on two sides of the clamping disc, the jacking piece is distributed on the periphery of the clamping disc, and the jacking piece jacks the clamping part towards one side of the bearing sleeve. The setting of top piece is used for pushing up the reinforcement cover for the reinforcement cover chucking is on the lateral wall of bearing housing, thereby has increased the steadiness of bearing housing.

Further, the jacking piece comprises a jacking screw rod and a jacking block, a second step hole is distributed on the circumference of the outer circumferential surface of the clamping disc, one end of the jacking screw rod penetrates through the second step hole, the jacking block is fixedly connected to one end of the jacking screw rod, a third fastening nut is arranged at the other end of the jacking screw rod, the third fastening nut is screwed in a second adjusting hole, the jacking block abuts against the outer side wall of the clamping part, clamping grooves are distributed on the circumference of the inner circumferential surface of the clamping disc, and the clamping grooves are matched with the jacking block. Loosening the third fastening nut to drive the pushing screw to lift and control the pushing block to lift and move, when the reinforcing sleeve needs to be pushed tightly, controlling the pushing screw to control the pushing block to move downwards so as to control the pushing block to push the reinforcing sleeve tightly, and then screwing the third fastening nut to fix the pushing screw; when the reinforcing sleeve needs to be loosened, the pushing screw rod is driven to move upwards, so that the pushing block is controlled to move upwards and be inserted into the clamping groove, and the reinforcing sleeve is loosened; the setting of draw-in groove can play a limiting displacement to the ejector pad, and when assembly wheel hub bearing unit, can adjust the position on the tight dish adjusting screw of clamp smoothly simultaneously, avoids taking place the striking between ejector pad and the reinforcement cover.

Furthermore, the circumference of one end of the sleeve part and the clamping part, which are close to the inner flange plate, are distributed with limit grooves, the pushing block corresponds to the limit grooves and is fixedly connected with limit blocks, and the limit blocks are inserted into the limit grooves. The limiting groove and the limiting block increase the integrity of the connection between the reinforcing sleeve and the clamping assembly, so that the stability of the connection between the clamping assembly and the reinforcing sleeve is improved.

A method for assembling a high-speed high-load hub bearing unit is characterized by comprising the following steps:

a. preparation before assembly: firstly, cleaning an assembly table, resetting a first clamping piece and a second clamping piece on a sliding rail at the middle part of the top surface of the assembly table, simultaneously resetting a pushing assembly on the top surface of the assembly table, preparing arc-shaped clamping sleeves of two specifications, namely a first clamping piece and a second clamping piece, wherein the first clamping piece is matched with a sleeving part in a reinforcing sleeve, and the second clamping piece is matched with a clamping disc in a clamping assembly;

b. clamping fixture

1) Clamping the inner flange plate with the bearing sleeve on a first clamping piece, wherein the first clamping piece comprises a first sliding frame and a first clamping plate, the first sliding frame is connected on the sliding rail in a sliding manner, one side of the first clamping plate is fixedly connected with the first sliding frame, the other side of the first clamping plate is fixedly connected with a first positioning column, and the inner flange plate is clamped on the first clamping piece by inserting the first positioning column into a positioning hole in the inner flange plate;

2) clamping a fixed disc: fixing a fixed disc on a second clamping piece, wherein the second clamping piece comprises a second sliding frame and a second clamping plate, the second sliding frame is connected on a sliding rail in a sliding mode, one side of the second clamping plate is fixedly connected with the second sliding frame, the other side of the second clamping plate is fixedly connected with a second positioning column, and the fixed disc is clamped on the second clamping piece by inserting the second positioning column into a first fixing hole in a fixed block of the fixed disc;

3) clamping of a reinforcing sleeve: firstly, the reinforcing sleeve is placed between the clamped inner flange plate and the fixed disk, then the pushing components on the two sides of the top surface of the assembly table respectively push one side of the reinforcing sleeve, thereby fixing the reinforcing fixed sleeve, the pushing component comprises a fixed frame, a guide rail, a driving motor, a driving gear and a pushing rod, the fixed frame is fixed on the top surface of the assembling table, the guide rail is fixedly connected on the top of the fixed frame, the pushing rod is connected on the guide rail in a sliding way, the bottom of the pushing rod is provided with a transmission rack, the transmission rack is meshed with the driving gear, one end of the pushing rod close to the center of the assembling table is detachably connected with an arc-shaped jacket, when the reinforcing sleeve is clamped, the first clamp is selected, the driving motor controls the driving gear to rotate, the driving gear drives the transmission rack, thereby controlling the ejector rod to drive the first clamp to move towards one side of the center of the assembling table, and enabling the first clamp to be clamped on two sides of the sleeving part in the reinforcing sleeve;

c. assembling the reinforcing sleeve: the second clamping piece is driven to drive the fixed disc to move towards one side of the inner flange plate, the second sliding frame moves along the direction of the sliding rail, so that the connecting part of the reinforcing sleeve is inserted into the slot of the fixed disc, then the reinforcing sleeve and the fixed disc are welded and fixed, after the fixing is finished, the pushing assembly is reset, and then the second clamping piece is reset;

d. assembly of clamping assembly

1) Clamping of the clamping disc: firstly, replacing a first clamping clip on a pushing rod in a pushing assembly with a second clamping clip matched with a clamping disc, then placing the clamping disc between an inner flange plate and a fixed disc, fixing the clamping disc through the pushing assembly, and simultaneously upwards adjusting a pushing block to enable the pushing block to be positioned in a clamping groove;

2) fixing of the adjusting screw: installing an adjusting screw rod into a first step hole of a fixed disk, screwing a first fastening nut into one side of a connecting block, so that the adjusting screw rod is fixed on the fixed disk, and screwing a second fastening nut close to one end of the fixed disk into the adjusting screw rod;

3) assembling: driving the second sliding frame to move along the direction of the sliding rail, enabling the adjusting screw to penetrate through the clamping disc, and then screwing a second fastening nut close to one side of the inner flange plate into the adjusting screw, so that the clamping disc is fixed on the adjusting screw;

e. and (3) finishing assembly: and simultaneously driving the first sliding frame and the second sliding frame to move towards one side of the center of the assembly table, so that the reinforcing sleeve is sleeved outside the bearing sleeve, adjusting the pushing block towards one side of the bearing sleeve, extruding the clamping part in the reinforcing sleeve towards one side of the bearing sleeve by the pushing block, clamping the clamping part outside the bearing sleeve, and taking down the assembled hub bearing unit from the assembly table.

Due to the adoption of the technical scheme, the invention has the following beneficial effects:

according to the hub bearing unit, the inner flange plate is arranged at the front end of the bearing sleeve, the reinforcing plate is arranged at the rear end of the bearing sleeve, the reinforcing sleeve is sleeved between the inner flange plate and the reinforcing plate, the clamping assembly is arranged on the fixing plate, and the reinforcing sleeve is clamped through the clamping assembly, so that the reinforcing sleeve is clamped on the outer side wall of the bearing sleeve, the stability and the bearing capacity of the bearing sleeve are improved, the bearing sleeve is prevented from being deformed and cracked, and the service life of the hub bearing unit is greatly prolonged.

The reinforcing sleeve comprises a connecting part, a sleeving part and a clamping part, the sleeving part is located between the connecting part and the clamping part, the connecting part, the sleeving part and the clamping part are integrally formed, one end, close to the reinforcing sleeve, of the fixed disc is provided with a slot, the connecting part is matched with the slot, the connecting part is inserted into the slot, the sleeving part is sleeved on the outer side wall of the bearing sleeve, the clamping part is horn-shaped, and the clamping assembly tightly pushes the clamping part towards one side of the bearing sleeve so as to control the clamping part to clamp the bearing sleeve. The connecting portion set up and be used for fixing the reinforcement cover on the fixed disk, the setting of cover portion of establishing is used for adjusting the position of reinforcement cover at the bearing housing, and the tight subassembly top of rethread clamp pushes away the chucking portion for chucking bearing housing of chucking portion, thereby increased the stability of bearing housing, avoided bearing housing to appear warping and crack, improved the life of bearing housing greatly.

In the step b, the inner flange plate is fixed on the first clamping plate by inserting the first positioning column on the first clamping plate into the positioning hole on the inner flange plate, and the inner flange plate can move along the sliding rail by driving the first sliding frame; the second positioning column on the second clamping disc is inserted into the first fixing hole of the fixing disc, the fixing disc is fixed on the second clamping disc, the second sliding frame is driven, the fixing disc can move along the sliding rail, the first sliding frame and the second sliding frame are respectively provided with two ends of the sliding rail, the fixing disc and the inner flange plate are guaranteed to move in the moving process, the center of the fixing disc is consistent with the center of the inner flange plate, the fixing disc and the inner flange plate are prevented from offsetting in the installation process, and therefore the assembling precision of the hub bearing unit is improved.

In the step c, the second sliding frame is driven to one side of the reinforcing sleeve to drive the fixed disc to move to one side of the reinforcing sleeve, so that the connecting part in the reinforcing sleeve is inserted into the slot of the fixed disc, the pushing assembly is arranged to facilitate the welding and fixing between the reinforcing sleeve and the fixed disc, the phenomenon of shaking when the reinforcing sleeve is welded on the fixed disc is avoided, the labor required by assembly is saved, the assembly precision is improved, and the slot is arranged to play a role in positioning the installation of the reinforcing sleeve.

In step d of the invention, the pushing component after replacing the second clamp fixes the clamping disk, then the adjusting screw is placed in the first step hole of the fixed disk, and by the arrangement of the first step hole and the screwing of the first fastening nut, thereby fixing the adjusting screw on the fixed disk, screwing the second fastening nut close to one end of the fixed disk into the adjusting screw for the first time, and having a positioning function on the installation position of the clamping disk, then the second sliding frame is driven to move towards the direction of the clamping disc, so that the adjusting screw rod passes through the clamping disc, so that the second fastening nut on the adjusting screw abuts against one side of the clamping disc and is screwed into the second fastening nut close to one side of the inner flange plate, thereby fixing the clamping disc and then adjusting the screw rod, the arrangement of the second nut not only plays a role in positioning the installation of the clamping disc, simultaneously, the clamping disc is fixed, and the mounting position of the clamping disc on the screw can be adjusted.

Drawings

The invention will be further described with reference to the accompanying drawings in which:

FIG. 1 is a schematic structural diagram of a high-speed high-load hub bearing unit according to the present invention;

FIG. 2 is an exploded view of the body of the present invention;

FIG. 3 is a schematic view of the clamp assembly of the present invention;

FIG. 4 is a schematic structural view of the connection between the fixing plate and the adjusting assembly according to the present invention;

FIG. 5 is a schematic view of the assembly table of the present invention in a reset configuration;

FIG. 6 is a schematic structural view of the fixing disk, the inner flange and the fixing sleeve of the present invention after the fixing and the fixing of the fixing disk and the inner flange are completed;

FIG. 7 is a schematic view of the structure of the fixed disk and the fixed sleeve of the present invention;

FIG. 8 is a schematic structural view of the clamping assembly of the present invention;

FIG. 9 is a schematic view of the clamping assembly and the adjustment assembly of the present invention in connection;

fig. 10 is a schematic view of the present invention in a fully assembled configuration.

In the figure, 1-body; 2-bearing sleeve; 3-an inner flange plate; 4-fixing the disc; 5-positioning holes; 6-mounting holes; 7-connecting a screw rod; 8-reinforcing sleeve; 9-a clamping assembly; 10-a through hole; 11-fixing block; 12-a first fixation hole; 13-connecting block; 14-an adjustment assembly; 15-a first stepped bore; 16-a second fixing hole; 17-a first fastening nut; 18-a second fastening nut; 19-adjusting the screw; 20-a connecting part; 21-a set portion; 22-a gripping portion; 23-a slot; 24-a clamping disk; 25-a top member; 26-a pushing screw; 27-pushing the pushing block; 28-a second stepped bore; 29-a third fastening nut; 30-a card slot; 31-a limiting groove; 32-a limiting block; 33-an assembly station; 34-a first clamping piece; 35-a second clamping piece; 36-a pushing assembly; 37-a first cardholder; 38-a second cardholder; 39-a first sliding frame; 40-a first clamping plate; 41-a first positioning column; 42-a second sliding frame; 43-a second chuck; 44-a second positioning column; 45-a fixed frame; 46-a guide rail; 47-a drive motor; 48-a drive gear; 49-ejector pin; 50-a drive rack; 51-sliding rail.

Detailed Description

As shown in fig. 1 to 4, the high-speed and high-bearing hub bearing unit of the present invention includes a body 1, the body 1 is provided with a bearing housing 2, an inner flange 3 disposed at a front end of the bearing housing 2, and a fixed disk 4 fixedly connected to an outer side wall of a rear end of the bearing housing 2, positioning holes 5 and mounting holes 6 are circumferentially distributed on the inner flange 3, the positioning holes 5 and the mounting holes 6 are disposed at intervals, and the mounting holes 6 are provided with connecting screws 7.

The outside cover of bearing housing 2 is equipped with and consolidates cover 8, consolidates cover 8 and is located between ring flange 3 and the fixed disk 4, and fixed disk 4 is equipped with clamping component 9, and clamping component 9 presss from both sides tight reinforcement cover 8 for consolidate 8 chucking bearing housing 2's lateral wall.

The center of fixed disk 4 is equipped with through-hole 10, and fixed disk 4 passes through-hole 10 to be fixed in the outside of bearing housing 2, and the lateral wall circumference of fixed disk 4 distributes and has two at least fixed blocks 11, and fixed block 11 is equipped with first fixed orifices 12, and first fixed orifices 12 is used for fixed body 1. The arrangement of the fixing block 11 increases the contact surface connection when the fixing disc 4 is fixed, thereby increasing the firmness of the fixing disc 4 and improving the bearing capacity of the hub bearing unit.

The two sides of the fixing block 11 are both provided with connecting blocks 13, the connecting blocks 13 are fixedly connected with adjusting components 14, and the clamping components 9 are arranged at one ends of the adjusting components 14 close to the inner flange 3. The arrangement of the connecting block 13 increases the contact area when the fixed disc 4 is fixed, and the arrangement of the adjusting component 14 is used for adjusting the position of the clamping component 9, so that the clamping component 9 can conveniently clamp the reinforcing sleeve 8.

One end of the connecting block 13 close to the fixing block 11 is provided with a first step hole 15, the other end of the connecting block 13 is provided with a second fixing hole 16, the second fixing hole 16 is used for fixing the body 1, the other end of the adjusting component 14 is fixed in the first step hole 15, and the first step hole 15 and the second fixing hole 16 are circumferentially distributed on the outer side of the fixing disc 4. The second fixing hole 16 is provided to increase the stability of the fixing plate 4, and the first stepped hole 15 is provided to fix the adjusting assembly 14.

The adjusting assembly 14 comprises a first fastening nut 17, a second fastening nut 18 and an adjusting screw rod 19, one end of the adjusting screw rod 19 penetrates through the first stepped hole 15, the other end of the adjusting screw rod 19 is clamped in the first stepped hole 15, the adjusting screw rod 19 is provided with the first fastening nut 17 and the second fastening nut 18, the first fastening nut 17 is screwed on one side of the connecting block 13, and the second fastening nut 18 is screwed on two sides of the clamping assembly 9. The first fastening nut 17 and the first stepped hole 15 are arranged to realize the fixed connection of the adjusting screw rod 19 and the connecting block 13, and the second fastening nut 18 is arranged to fix the clamping assembly 9 and also has an adjusting function on the clamping assembly 9.

Reinforcing cover 8 includes connecting portion 20, portion 21 and clamping part 22 are established to the cover, the cover is established portion 21 and is located between connecting portion 20 and clamping part 22, connecting portion 20, the setting of portion 21 and clamping part 22 integrated into one piece is established to the cover, the fixed disk 4 is close to the one end of reinforcing cover 8 and is equipped with slot 23, connecting portion 20 and slot 23 phase-match, connecting portion 20 inserts in slot 23, the cover is established portion 21 and is established the lateral wall at bearing housing 2, clamping part 22 is the loudspeaker form, clamping component 9 is to 2 one side top tight clamping part 22 of bearing housing, thereby control 22 chucking bearing housing 2 of clamping part. Connecting portion 20 set up and be used for fixing reinforcing cover 8 on fixed disk 4, the setting of cover portion 21 is used for adjusting reinforcing cover 8 in the position of bearing housing 2, and rethread clamping component 9 pushes away clamping part 22 for clamping part 22 chucking bearing housing 2, thereby increased bearing housing 2's stability, avoided bearing housing 2 to appear warping and the crack, improved bearing housing 2's life greatly.

The clamping assembly 9 comprises a clamping disc 24 and a top clamping piece 25, one end of the adjusting screw rod 19 penetrates through the clamping disc 24, the second fastening nuts 18 are screwed on two sides of the clamping disc 24, the top clamping piece 25 is distributed on the circumference of the clamping disc 24, and the top clamping piece 25 is used for pressing the clamping part 22 towards one side of the bearing sleeve 2. The top piece 25 is arranged to hold the fastening sleeve 8 tightly, so that the fastening sleeve 8 is clamped on the outer side wall of the bearing sleeve 2, thereby increasing the stability of the bearing sleeve 2.

The pushing piece 25 comprises a pushing screw 26 and a pushing block 27, a second stepped hole 28 is distributed on the circumference of the outer circumferential surface of the clamping disc 24, one end of the pushing screw 26 penetrates through the second stepped hole 28, the pushing block 27 is fixedly connected to one end of the pushing screw 26, a third fastening nut 29 is arranged at the other end of the pushing screw 26, the third fastening nut 29 is screwed in the second adjusting hole, the pushing block 27 abuts against the outer side wall of the clamping part 22, a clamping groove 30 is distributed on the circumference of the inner circumferential surface of the clamping disc 24, and the clamping groove 30 is matched with the pushing block 27. Loosening the third fastening nut 29 to drive the pushing screw 26 to move up and down, so as to control the pushing block 27 to move up and down, when the reinforcing sleeve 8 needs to be pushed up and tightened, controlling the pushing block 27 to move downwards by the pushing screw 26, so as to control the pushing block 27 to push up and tighten the reinforcing sleeve 8, and then screwing the third fastening nut 29, so as to fix the pushing screw 26; when the reinforcing sleeve 8 needs to be loosened, the pushing screw 26 is driven to move upwards, so that the pushing block 27 is controlled to move upwards to be inserted into the clamping groove 30, and the reinforcing sleeve 8 is loosened; the arrangement of the clamping groove 30 can limit the ejector 27, and meanwhile, when the hub bearing unit is assembled, the position of the clamping disc 24 on the adjusting screw rod 19 can be smoothly adjusted, so that the ejector 27 and the reinforcing sleeve 8 are prevented from being impacted.

The sleeving part 21 and the clamping part 22 are distributed with a limit groove 31 at the circumference of one end close to the inner flange 3, the pushing block 27 is fixedly connected with a limit block 32 corresponding to the limit groove 31, and the limit block 32 is inserted into the limit groove 31. The limiting groove 31 and the limiting block 32 increase the integrity of the connection between the reinforcing sleeve 8 and the clamping assembly 9, so that the stability of the connection between the clamping assembly 9 and the reinforcing sleeve 8 is improved.

As shown in fig. 5 to 10, the assembling method of a high-speed high-load hub bearing unit according to the present invention includes the following steps:

a. preparation before assembly: firstly, cleaning the assembly table 33, then resetting the first clamping piece 34 and the second clamping piece 35 on the sliding rail 51 at the middle part of the top surface of the assembly table 33, simultaneously resetting the pushing assembly 36 on the top surface of the assembly table 33, and then preparing arc-shaped clamping sleeves of two specifications, namely a first clamping piece 37 and a second clamping piece 38, wherein the first clamping piece 37 is matched with the sleeve part 21 in the reinforcing sleeve 8, and the second clamping piece 38 is matched with the clamping disc 24 in the clamping assembly 9.

b. Clamping fixture

1) Clamping the inner flange 3, namely clamping the inner flange 3 with the bearing sleeve 2 onto a first clamping piece 34, wherein the first clamping piece 34 comprises a first sliding frame 39 and a first clamping plate 40, the first sliding frame 39 is connected onto a sliding rail 51 in a sliding mode, one side of the first clamping plate 40 is fixedly connected with the first sliding frame 39, the other side of the first clamping plate 40 is fixedly connected with a first positioning column 41, and the inner flange 3 is clamped onto the first clamping piece 34 by inserting the first positioning column 41 into a positioning hole 5 in the inner flange 3.

2) Clamping of the fixed disk 4: the fixed disk 4 is fixed on the second clamping piece 35, the second clamping piece 35 comprises a second sliding frame 42 and a second clamping plate 43, the second sliding frame 42 is slidably connected on the sliding rail 51, one side of the second clamping plate 43 is fixedly connected with the second sliding frame 42, the other side of the second clamping plate 43 is fixedly connected with a second positioning column 44, and the fixed disk 4 is clamped on the second clamping piece 35 by inserting the second positioning column 44 into the first fixing hole 12 on the fixing block 11 of the fixed disk 4.

3) Clamping of the reinforcing sleeve 8: firstly, a reinforcing sleeve 8 is placed between a clamped inner flange 3 and a fixed disc 4, then the pushing assemblies 36 on two sides of the top surface of an assembly table 33 respectively push one side of the reinforcing sleeve 8, so as to fix the reinforcing fixed sleeve, each pushing assembly 36 comprises a fixed frame 45, a guide rail 46, a driving motor 47, a driving gear 48 and a pushing rod 49, the fixed frame 45 is fixed on the top surface of the assembly table 33, the top of the fixed frame 45 is fixedly connected with the guide rail 46, the pushing rod 49 is connected on the guide rail 46 in a sliding manner, the bottom of the pushing rod 49 is provided with a driving rack 50, the driving rack 50 is meshed with the driving gear 48, one end of the pushing rod 49, close to the center of the assembly table 33, is detachably connected with an arc-shaped jacket, a first clamp 37 is selected when the reinforcing sleeve 8 is reinforced, the driving motor 47 controls the driving gear 48 to rotate, the driving rack 50 is driven by the driving gear 48, so that the first clips 37 are clipped on both sides of the sleeve portion 21 in the reinforcing sleeve 8.

c. Assembling the reinforcing sleeve 8: firstly, the second clamping piece 35 is driven to drive the fixed disc 4 to move towards one side of the inner flange 3, the second sliding frame 42 moves along the direction of the sliding rail 51, so that the connecting part 20 of the reinforcing sleeve 8 is inserted into the slot 23 of the fixed disc 4, then the reinforcing sleeve 8 and the fixed disc 4 are welded and fixed, after the fixing is completed, the pushing component 36 is reset firstly, and then the second clamping piece 35 is reset.

d. Assembly of the clamping assembly 9

1) Clamping of the clamping disk 24: first, the first clamping clips 37 on the pushing rods 49 in the pushing assembly 36 are replaced by second clamping clips 38 matched with the clamping disc 24, then the clamping disc 24 is placed between the inner flange plate 3 and the fixed disc 4, the clamping disc 24 is fixed through the pushing assembly 36, and meanwhile, the pushing blocks 27 are adjusted upwards, so that the pushing blocks 27 are located in the clamping grooves 30.

2) Fixing of the adjusting screw 19: an adjusting screw 19 is fitted into the first stepped hole 15 of the fixed platter 4 and then screwed into the first fastening nut 17 at one side of the connection block 13, thereby fixing the adjusting screw 19 to the fixed platter 4, and a second fastening nut 18 near one end of the fixed platter 4 is screwed into the adjusting screw 19.

3) Assembling: the second sliding frame 42 is driven to move along the direction of the sliding rail 51, so that the adjusting screw 19 passes through the clamping plate 24, and then the second fastening nut 18 on the side close to the inner flange 3 is screwed into the adjusting screw 19, so that the clamping plate 24 is fixed on the adjusting screw 19.

e. And (3) finishing assembly: and simultaneously driving the first sliding frame 39 and the second sliding frame 42 to move towards one side of the center of the assembly table 33, so that the reinforcing sleeve 8 is sleeved outside the bearing sleeve 2, then adjusting the pushing block 27 towards one side of the bearing sleeve 2, so that the pushing block 27 extrudes the clamping part 22 in the reinforcing sleeve 8 towards one side of the bearing sleeve 2, so that the clamping part 22 is clamped outside the bearing sleeve 2, and then taking the assembled hub bearing unit off from the assembly table 33.

According to the hub bearing unit, the inner flange plate 3 is arranged at the front end of the bearing sleeve 2, the reinforcing plate is arranged at the rear end of the bearing sleeve 2, the reinforcing sleeve 8 is sleeved between the inner flange plate 3 and the reinforcing plate, the clamping assembly 9 is arranged on the fixing plate 4, and the reinforcing sleeve 8 is clamped through the clamping assembly 9, so that the reinforcing sleeve 8 is clamped on the outer side wall of the bearing sleeve 2, the stability and the bearing capacity of the bearing sleeve 2 are improved, the bearing sleeve 2 is prevented from being deformed and cracked, and the service life of the hub bearing unit is greatly prolonged.

The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made based on the present invention to solve the same technical problems and achieve the same technical effects are within the scope of the present invention.

Claims

1. The utility model provides a high-speed high-bearing wheel hub bearing unit, includes the body, the body is equipped with the bearing housing, locates the interior ring flange and the fixed connection of the front end of bearing housing are in the fixed disk of the rear end lateral wall of bearing housing, interior ring flange circumference distributes and has locating hole and mounting hole, the locating hole with the mounting hole interval sets up, the mounting hole is equipped with connecting screw rod, its characterized in that: the outer side sleeve of the bearing sleeve is provided with a reinforcing sleeve, the reinforcing sleeve is located between the inner flange plate and the fixed disk, the fixed disk is provided with a clamping assembly, and the clamping assembly clamps the reinforcing sleeve, so that the reinforcing sleeve is clamped on the outer side wall of the bearing sleeve.

2. A high speed high load bearing hub bearing unit according to claim 1, wherein: the center of fixed disk is equipped with the through-hole, the fixed disk passes through the through-hole is fixed the outside of bearing housing, the lateral wall circumference distribution of fixed disk has two at least fixed blocks, the fixed block is equipped with first fixed orifices, first fixed orifices is used for fixing the body.

3. A high speed high load bearing hub bearing unit according to claim 2, wherein: the both sides of fixed block all are equipped with the connecting block, connecting block fixedly connected with adjusting part, clamping components locates adjusting part is close to the one end of interior ring flange.

4. A high speed high load bearing hub bearing unit according to claim 3, wherein: the connecting block is close to the one end of fixed block is equipped with first step hole, the other end of connecting block is equipped with the second fixed orifices, the second fixed orifices is used for fixing the body, adjusting part's the other end is fixed first step is downthehole, first step hole with the equal circumference of second fixed orifices distributes the outside of fixed disk.

5. A high speed high load bearing hub bearing unit according to claim 4, wherein: the adjusting component comprises a first fastening nut, a second fastening nut and an adjusting screw rod, one end of the adjusting screw rod penetrates through the first stepped hole, the other end of the adjusting screw rod is clamped in the first stepped hole, the adjusting screw rod is provided with the first fastening nut and the second fastening nut, the first fastening nut is screwed on one side of the connecting block, and the second fastening nut is screwed on the two sides of the clamping component.

6. A high speed high load bearing hub bearing unit according to claim 5, wherein: the reinforced cover includes connecting portion, cover establishment portion and clamping part, the cover establishment portion is located connecting portion with between the clamping part, connecting portion the cover establishment portion with clamping part integrated into one piece sets up, the fixed disk is close to the one end of reinforced cover is equipped with the slot, connecting portion with the slot phase-match, connecting portion insert in the slot, the cover is established the portion cover and is established the lateral wall of bearing housing, the clamping part is the loudspeaker form, clamping component to bearing housing one side top is tight the clamping part, thereby control the clamping part chucking the bearing housing.

7. A high speed high load bearing hub bearing unit according to claim 6, wherein: the clamping assembly comprises a clamping disc and an ejecting piece, one end of the adjusting screw penetrates through the clamping disc, the second fastening nut is screwed on two sides of the clamping disc, the ejecting piece is circumferentially distributed on the clamping disc, and the ejecting piece pushes the clamping part on one side of the bearing sleeve.

8. A high speed high load bearing hub bearing unit according to claim 7, wherein: the pushing part comprises a pushing screw and a pushing block, a second step hole is distributed on the circumference of the outer circumferential surface of the clamping disc, one end of the pushing screw penetrates through the second step hole, the pushing block is fixedly connected to one end of the pushing screw, a third fastening nut is arranged at the other end of the pushing screw, the third fastening nut is screwed in the second adjusting hole, the pushing block abuts against the outer side wall of the clamping part, clamping grooves are distributed on the circumference of the inner circumferential surface of the clamping disc, and the clamping grooves are matched with the pushing block.

9. A high speed high load bearing hub bearing unit according to claim 8, wherein: the sleeving part and the clamping part are distributed with limit grooves at the circumference of one end close to the inner flange, the pushing block corresponds to the limit grooves and is fixedly connected with limit blocks, and the limit blocks are inserted into the limit grooves.

10. The method for assembling a high speed high load bearing hub bearing unit of claim 9, comprising the steps of:

b. clamping fixture

d. assembly of clamping assembly