CN115648855A - Axle shaft sleeve, wet disc brake, rear axle assembly and assembly method of rear axle assembly - Google Patents
Axle shaft sleeve, wet disc brake, rear axle assembly and assembly method of rear axle assembly Download PDFInfo
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- CN115648855A CN115648855A CN202211371148.7A CN202211371148A CN115648855A CN 115648855 A CN115648855 A CN 115648855A CN 202211371148 A CN202211371148 A CN 202211371148A CN 115648855 A CN115648855 A CN 115648855A
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- rear axle
- sleeve
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- shaft sleeve
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 2
- 238000005065 mining Methods 0.000 description 7
- 230000003068 static effect Effects 0.000 description 4
- 230000004323 axial length Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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Abstract
The invention discloses a half shaft sleeve, wherein a half shaft sleeve flange is arranged at the end part of the right side of the half shaft sleeve, and a plurality of second through holes are formed in the half shaft sleeve flange; the outer ring is arranged on the outer wall of the semi-axis sleeve and is positioned on the left side of the flange. The invention also discloses a wet disc brake, a rear axle assembly and an assembly method of the rear axle assembly. The invention adopts the integrated installation and arrangement mode of the wet disc brake, the semi-shaft sleeve, the rear axle and the wheel hub, and has the advantages of compact structure and small axial size of the semi-shaft sleeve.
Description
Technical Field
The invention belongs to the field of mining trucks, and particularly relates to a half-axle sleeve, a wet disc brake, a rear axle assembly and an assembly method of the rear axle assembly.
Background
The mining vehicle is used as important transportation equipment for open-pit mining, is very widely used, and a wet disc brake is generally installed on a rear axle of the mining vehicle in consideration of the running safety of the vehicle.
The hub, the half-shaft sleeve and the wet disc brake are arranged on a rear axle of the mining vehicle, wherein the half-shaft sleeve is provided with two independent flanges in the axial direction, one flange is used for installing and connecting the half-shaft sleeve and the rear axle, and the other flange is used for installing and connecting the half-shaft sleeve and the wet disc brake; installation, maintenance, when dismantling wet dish stopper, need use the spanner at two flange mounting bolts, in order to guarantee the spanner space, certain distance need be reserved to two flanges, and such structure leads to the axial length of half-axle sleeve pipe great.
The axial size of the half-shaft sleeve is larger, so that the rigidity and the service life of the half-shaft sleeve are influenced; because a half-axle sleeve is respectively installed on two sides of the rear axle, the whole length of the rear axle is larger, the width of the vehicle body is larger, and the trafficability characteristic of the whole vehicle is influenced.
Disclosure of Invention
The invention aims to provide a semi-shaft sleeve, a wet disc brake, a rear axle assembly and an assembly method of the rear axle assembly.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the right side end of the half-shaft sleeve is provided with a half-shaft sleeve flange, and the half-shaft sleeve flange is provided with a plurality of second through holes; the outer ring is arranged on the outer wall of the semi-axis sleeve and is positioned on the left side of the flange.
Furthermore, the outer wall of the semi-axis sleeve is of a step type, and the outer ring is located on the cylindrical outer wall with the largest outer diameter.
A wet disc brake comprising: the brake shell is provided with an inner ring at the edge of the right side of the central through hole, a plurality of thread counter bores are formed in the side wall of the inner ring, and the thread counter bores are provided with double-ended studs.
Furthermore, the inner shell is arranged in the brake shell, the outer side edge of the static brake block is connected to the inner wall of the brake shell, the inner side edge of the rotary brake block is connected to the outer wall of the inner shell, and the static brake block and the rotary brake block are arranged in a staggered mode and are coaxially arranged.
A rear axle assembly comprising: the wet disc brake, the rear axle, the half shaft sleeve and the wheel hub, wherein a half shaft sleeve flange is arranged at the right side end part of the half shaft sleeve, a plurality of second through holes are formed in the half shaft sleeve flange, an outer ring is arranged on the outer wall of the half shaft sleeve, and the outer ring is positioned on the left side of the flange; the wet disc brake includes: the brake device comprises a brake shell and an inner shell, wherein an inner ring is arranged at the right edge of a central through hole of the brake shell, a plurality of threaded counter bores are formed in the side wall of the inner ring, stud bolts are installed in the threaded counter bores, and the inner shell is installed inside the brake shell; a rear axle flange is arranged at the end part of the rear axle, a first through hole is formed in the rear axle flange, and a connecting sleeve is arranged on the right side end face of the hub; the second through hole is sleeved on the stud, the inner hole of the inner shell is sleeved on the semi-axis sleeve, and the inner ring and the outer ring are opposite in position; the first through hole is sleeved on the stud, the rear axle flange is positioned on the right side of the flange of the half-axle sleeve, and a nut is installed at one end, extending out of the first through hole, of the right end of the stud; the connecting sleeve extends into the central through hole of the brake shell and is connected with the inner shell through a spline.
Further, the inside wall of inner ring or the outside wall of outer loop are provided with the seal groove, and the sealing ring is installed to the seal groove.
Furthermore, the outer wall of the connecting sleeve is provided with an external spline, the inner wall of the inner shell is provided with an internal spline, the connecting sleeve is inserted in an inner hole of the inner shell, and the external spline is inserted in the internal spline.
A method of assembling a rear axle assembly comprising:
installing an inner ring of the wet disc brake on an outer ring of the semi-shaft sleeve, enabling the stud to pass through the second through hole, sleeving the first through hole of the rear axle on the stud, connecting and locking a nut at the end part of the stud, and connecting and fixing the wet disc brake, the rear axle and the semi-shaft sleeve;
the bearing is arranged on the cylindrical outer wall of the semi-shaft sleeve, the inner cavity of the hub is sleeved on the bearing, and the connecting sleeve of the hub extends into the central through hole of the brake shell and is connected with the inner shell through a spline.
Preferably, a seal ring is installed on the seal groove of the inner sidewall of the inner ring or the outer sidewall of the outer ring, and then the inner ring is installed on the outer ring.
Preferably, after the connecting sleeve extends into the central through hole of the brake housing, the connecting sleeve is inserted into the inner hole of the inner housing, and the external spline of the outer wall of the connecting sleeve is inserted into the internal spline of the inner wall of the inner housing.
The technical effects of the invention include:
according to the invention, the flange is arranged on the semi-shaft sleeve, and the wet disc brake, the semi-shaft sleeve, the rear axle and the hub are integrally installed and arranged, so that the semi-shaft sleeve has the advantages of compact structure and small axial size.
Because the axial length of the half-axle sleeve is reduced, the integral rigidity and strength of the half-axle sleeve are increased, so that the rigidity and strength of the rear axle are also improved, and the use safety is improved; the whole axial length of the rear axle is reduced, and the trafficability characteristic of the whole vehicle is improved.
Drawings
FIG. 1 is a schematic structural view of a rear axle assembly of the present invention;
FIG. 2 is a schematic view of the construction of the brake housing of the present invention;
FIG. 3 is a schematic structural view of the rear axle of the present invention;
fig. 4 is a schematic structural view of a half-shaft bushing according to the present invention.
Detailed Description
The following description fully illustrates the specific embodiments of the invention so as to enable one skilled in the art to practice and reproduce the invention.
Fig. 1 is a schematic structural view of a rear axle assembly according to the present invention.
The rear axle assembly of mining car includes: wet disc brake 1, rear axle 2, semi-axis sleeve 3, wheel hub 4. In order to make the rear axle assembly compact, the structure of the brake housing 11, the axle sleeve 3 and the wheel hub 4 of the wet disc brake 1 and the connection mode of the axle sleeve 3, the wet disc brake 1 and the wheel hub 4 are improved.
The rear axle assembly of the mining vehicle only describes the left wet disc brake 1, the rear axle 2, the axle sleeve 3 and the hub 4, and the right wet disc brake 1, the rear axle 2, the axle sleeve 3 and the hub 4 are the same as the left side.
As shown in fig. 2, the brake housing 11 of the present invention is schematically constructed.
The wet disc brake 1 includes: the brake comprises a brake shell 11 and an inner shell, wherein the inner shell is arranged in the brake shell 11, the outer side edge of a static brake block is connected to the inner wall of the brake shell 11, the inner side edge of a rotating brake block is connected to the outer wall of the inner shell, and the static brake block and the rotating brake block are arranged in a staggered and coaxial mode; the brake housing 11 is provided with an inner ring 12 at the right edge of the central through hole, the side wall of the inner ring 12 is provided with a plurality of threaded counter bores, and the threaded counter bores are provided with studs 13.
Fig. 3 is a schematic structural view of the rear axle 2 according to the present invention.
The end of the rear axle 2 is provided with a rear axle flange 21, and the rear axle flange 21 is provided with a first through hole 22.
Fig. 4 is a schematic structural view of the half-axle sleeve 3 according to the present invention.
A semi-shaft sleeve flange 31 is arranged at the right end part of the semi-shaft sleeve 3, and a plurality of second through holes 32 are arranged on the semi-shaft sleeve flange 31; the outer wall of the axle sleeve 3 on the left side of the axle sleeve flange 31 is provided with an outer ring 33.
The outer wall of the semi-axis sleeve 3 is of a step type and is provided with four cylindrical outer walls, and the outer ring 33 is located on the cylindrical outer wall with the largest outer diameter.
After the wet disc brake 1, the rear axle 2 and the half-shaft sleeve 3 are assembled, the stud bolts 13 correspond to the first through holes 22 and the second through holes 32 in position and are the same in quantity; the inner ring 12 and the outer ring 33 are positioned opposite each other, and the inner ring 12 is mounted on the outer ring 33.
The inner side wall of the inner ring 12 or the outer side wall of the outer ring 33 is provided with a sealing groove, and a sealing ring is installed in the sealing groove.
The right side end face of wheel hub 4 is provided with adapter sleeve 41, and the outer wall of adapter sleeve 41 sets up the external splines, and the inner wall of inner shell sets up the internal splines, and adapter sleeve 41 pegs graft in the hole of inner shell, and the external splines pegs graft on the internal splines. A floating oil seal is provided between the brake housing 11 and the hub 4, and when the hub 4 rotates relative to the brake housing 11, the seal between the brake housing 11 and the hub 4 is maintained.
A second through hole 32 of a half shaft sleeve flange 31 on the half shaft sleeve 3 is sleeved on the stud 13 of the wet disc brake 1, an inner hole of the inner shell is sleeved on the half shaft sleeve 3, and the inner ring 12 and the outer ring 33 are opposite in position; a first through hole 22 of a rear axle flange 21 on the rear axle 2 is sleeved on the stud 13, and one end of the stud 13, which extends out of the first through hole 22, is locked and fixed by a nut 5; the connecting sleeve 41 of the hub 4 extends into the central through hole of the brake housing 11, and the connecting sleeve 41 is connected with the inner shell through a spline.
The assembly method of the rear axle assembly comprises the following specific steps:
step 1: installing an inner ring 12 of the wet disc brake 1 on an outer ring 33 of the semi-shaft sleeve 3, enabling the stud 13 to pass through a second through hole 32, sleeving a first through hole 22 of the rear axle 2 on the stud 13, connecting and locking a nut 5 at the end part of the stud 13, and connecting and fixing the wet disc brake 1, the rear axle 2 and the semi-shaft sleeve 3;
a seal ring is installed on the seal groove of the inner sidewall of the inner ring 12 or the outer sidewall of the outer ring 33, and then the inner ring 12 is installed on the outer ring 33.
Step 2: the bearing is arranged on the cylindrical outer wall of the semi-shaft sleeve 3, the inner cavity of the hub 4 is sleeved on the bearing, and the connecting sleeve 41 of the hub 4 extends into the central through hole of the brake shell 11 and is connected with the inner shell through a spline.
After the connecting sleeve 41 extends into the central through hole of the brake housing 11, the connecting sleeve 41 is inserted into the inner hole of the inner housing, and the external spline is inserted into the internal spline.
The terminology used herein is for the purpose of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the metes and bounds of the claims, or equivalence of such metes and bounds are therefore intended to be embraced by the appended claims.
Claims (10)
1. A half-shaft sleeve is characterized in that a half-shaft sleeve flange is arranged at the right end of the half-shaft sleeve, and a plurality of second through holes are formed in the half-shaft sleeve flange; the outer ring is arranged on the outer wall of the semi-axis sleeve and is positioned on the left side of the flange.
2. The axle sleeve of claim 1 wherein the outer wall of the axle sleeve is stepped and the outer ring is located on the cylindrical outer wall having the largest outer diameter.
3. A wet disc brake, comprising: the brake shell is provided with an inner ring at the edge of the right side of the central through hole, the side wall of the inner ring is provided with a plurality of thread counter bores, and the thread counter bores are provided with double-end studs.
4. The wet disc brake of claim 3, wherein the inner housing is installed inside the brake housing, the outer edge of the stationary brake pad is connected to the inner wall of the brake housing, the inner edge of the rotating brake pad is connected to the outer wall of the inner housing, and the stationary brake pad and the rotating brake pad are arranged in a staggered and coaxial arrangement.
5. A rear axle assembly, comprising: the wet disc brake, the rear axle, the half shaft sleeve and the wheel hub, wherein a half shaft sleeve flange is arranged at the right side end part of the half shaft sleeve, a plurality of second through holes are formed in the half shaft sleeve flange, an outer ring is arranged on the outer wall of the half shaft sleeve, and the outer ring is positioned on the left side of the flange; the wet disc brake includes: the brake device comprises a brake shell and an inner shell, wherein an inner ring is arranged at the right edge of a central through hole of the brake shell, a plurality of threaded counter bores are formed in the side wall of the inner ring, studs are mounted in the threaded counter bores, and the inner shell is mounted in the brake shell; a rear axle flange is arranged at the end part of the rear axle, a first through hole is formed in the rear axle flange, and a connecting sleeve is arranged on the right side end face of the hub; the second through hole is sleeved on the stud, the inner hole of the inner shell is sleeved on the semi-axis sleeve, and the inner ring and the outer ring are opposite in position; the first through hole is sleeved on the stud, the rear axle flange is positioned on the right side of the flange of the half-axle sleeve, and a nut is installed at one end, extending out of the first through hole, of the right end of the stud; the connecting sleeve extends into the central through hole of the brake shell and is connected with the inner shell through a spline.
6. The rear axle assembly according to claim 5, wherein the inner sidewall of the inner ring or the outer sidewall of the outer ring is provided with a sealing groove, and the sealing groove is provided with a sealing ring.
7. The rear axle assembly according to claim 5, wherein the outer wall of the connecting sleeve is provided with external splines, the inner wall of the inner shell is provided with internal splines, the connecting sleeve is inserted into the inner hole of the inner shell, and the external splines are inserted into the internal splines.
8. A method of assembling a rear axle assembly according to any one of claims 5 to 7, including:
installing an inner ring of the wet disc brake on an outer ring of the semi-shaft sleeve, enabling the stud to pass through the second through hole, sleeving the first through hole of the rear axle on the stud, connecting and locking a nut at the end part of the stud, and connecting and fixing the wet disc brake, the rear axle and the semi-shaft sleeve;
the bearing is arranged on the cylindrical outer wall of the semi-shaft sleeve, the inner cavity of the hub is sleeved on the bearing, and the connecting sleeve of the hub extends into the central through hole of the brake shell and is connected with the inner shell through a spline.
9. The method of assembling a rear axle assembly as recited in claim 8, wherein a seal ring is installed on the seal groove of the inner sidewall of the inner ring or the outer sidewall of the outer ring, and then the inner ring is installed on the outer ring.
10. The method of assembling a rear axle assembly as recited in claim 8, wherein the adapter sleeve is inserted into the inner bore of the inner housing after the adapter sleeve is inserted into the central opening of the brake housing, and the external splines on the outer wall of the adapter sleeve are inserted into the internal splines on the inner wall of the inner housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211371148.7A CN115648855A (en) | 2022-11-03 | 2022-11-03 | Axle shaft sleeve, wet disc brake, rear axle assembly and assembly method of rear axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211371148.7A CN115648855A (en) | 2022-11-03 | 2022-11-03 | Axle shaft sleeve, wet disc brake, rear axle assembly and assembly method of rear axle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115648855A true CN115648855A (en) | 2023-01-31 |
Family
ID=84995526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211371148.7A Pending CN115648855A (en) | 2022-11-03 | 2022-11-03 | Axle shaft sleeve, wet disc brake, rear axle assembly and assembly method of rear axle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115648855A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1032393A (en) * | 1962-06-26 | 1966-06-08 | Ransomes Sims & Jefferies Ltd | Improvements in drive axle assemblies |
| CN203098698U (en) * | 2013-03-04 | 2013-07-31 | 一拖(洛阳)车桥有限公司 | Hydraulic dry friction brake gap adjustment structure for vehicle drive axle |
| CN104675887A (en) * | 2014-07-09 | 2015-06-03 | 焦作制动器股份有限公司 | Wet type multi-disc brake |
| CN110469603A (en) * | 2019-08-16 | 2019-11-19 | 徐州徐工矿业机械有限公司 | A kind of wet brake and hub reduction driving device |
| CN112228515A (en) * | 2020-10-12 | 2021-01-15 | 徐州徐工矿业机械有限公司 | Engineering vehicle wheel side speed reducer and mining dump truck |
-
2022
- 2022-11-03 CN CN202211371148.7A patent/CN115648855A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1032393A (en) * | 1962-06-26 | 1966-06-08 | Ransomes Sims & Jefferies Ltd | Improvements in drive axle assemblies |
| CN203098698U (en) * | 2013-03-04 | 2013-07-31 | 一拖(洛阳)车桥有限公司 | Hydraulic dry friction brake gap adjustment structure for vehicle drive axle |
| CN104675887A (en) * | 2014-07-09 | 2015-06-03 | 焦作制动器股份有限公司 | Wet type multi-disc brake |
| CN110469603A (en) * | 2019-08-16 | 2019-11-19 | 徐州徐工矿业机械有限公司 | A kind of wet brake and hub reduction driving device |
| CN112228515A (en) * | 2020-10-12 | 2021-01-15 | 徐州徐工矿业机械有限公司 | Engineering vehicle wheel side speed reducer and mining dump truck |
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