CN113879044A - Novel drum brake front axle wheel end structure - Google Patents
Novel drum brake front axle wheel end structure Download PDFInfo
- Publication number
- CN113879044A CN113879044A CN202111250754.9A CN202111250754A CN113879044A CN 113879044 A CN113879044 A CN 113879044A CN 202111250754 A CN202111250754 A CN 202111250754A CN 113879044 A CN113879044 A CN 113879044A
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- CN
- China
- Prior art keywords
- hub
- brake
- drum
- bearing
- front axle
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0047—Hubs characterised by functional integration of other elements
- B60B27/0057—Hubs characterised by functional integration of other elements the element being a brake drum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0047—Hubs characterised by functional integration of other elements
- B60B27/0068—Hubs characterised by functional integration of other elements the element being a sensor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/067—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels employing drum
Abstract
The invention discloses a novel front axle wheel end structure of a drum brake, which comprises a wheel rim, a brake drum, an outer hub, a steering knuckle, an inner hub, an ABS sensor and a brake shoe, wherein the wheel rim is provided with a plurality of wheel holes; the brake drum is connected with the outer hub through fastening bolts, and the rim is lapped on the outer side of the outer hub. The steering knuckle is arranged inside the inner hub, the outer side wall of the inner hub is also provided with a brake shoe, the end part of the brake shoe is provided with a friction plate, and the friction plate is matched with the inner side of the brake drum; the inner hub and the outer hub are fixedly installed through hub connecting bolts; one end of the steering knuckle facing the outer hub is provided with a locking nut; the one end that outer hub was kept away from to interior hub still is equipped with the ABS ring gear, and the ABS sensor setting is kept away from lock nut's one end outside at the knuckle, and the inductive head of ABS sensor passes the knuckle and corresponding with the ABS ring gear. The invention can effectively avoid the problem of bearing damage caused by disassembling and disassembling the hub, the inner bearing and the outer bearing when the friction plate is replaced and the ABS sensor is checked to be in fault.
Description
Technical Field
The invention relates to the technical field of automobile parts, in particular to a novel front axle wheel end structure of a drum brake.
Background
Drum brakes are generally applied to truck models, and the drum brakes, brake drums, hubs, steering knuckles, bearings and the like form wheel end structures. As the truck is mostly used for operation, the use is frequent, the daily driving course is long, the use working condition is complex, the friction plate of the brake is quickly worn and needs to be frequently replaced; most wheel end structure bearings of trucks use non-maintenance bearings, which require periodic oil filling for maintenance. When a friction plate is replaced and a bearing is maintained, a hub of a brake drum and a bearing with the brake drum need to be detached from a steering knuckle, and the bearing is press-fitted on the hub and the steering knuckle in an interference fit mode, so that the disassembly is difficult, and parts such as the bearing are easily damaged due to frequent disassembly.
Therefore, it is a technical problem to be solved in the art to provide a front axle wheel end structure of a brake, which can effectively avoid the problem of bearing damage caused by disassembling and disassembling a wheel hub, an inner bearing and an outer bearing when replacing a friction plate and checking the fault of an ABS sensor.
Disclosure of Invention
The invention aims to provide a novel front axle wheel end structure of a drum brake, which can effectively avoid the problem that a bearing is damaged due to the disassembly and the disassembly of a wheel hub, an inner bearing and an outer bearing when a friction plate is replaced and the fault of an ABS sensor is checked.
According to one aspect of the invention, a novel front axle end structure of a drum brake is provided, which comprises a rim, a brake drum, an outer hub, a steering knuckle, an inner hub, an ABS sensor and a brake shoe; the brake drum is connected with the outer hub through fastening bolts, and the rim is lapped on the outer side of the outer hub and is connected with the brake drum through the fastening bolts;
the steering knuckle is arranged inside the inner hub, a bearing is arranged between the steering knuckle and the inner hub, a brake shoe is further arranged on the outer side wall of the inner hub, a friction plate is arranged at the end part of the brake shoe, and the friction plate is matched with the inner side of the brake drum; the inner hub and the outer hub are fixedly installed by hub connection bolts so that the knuckle is fixed inside the inner hub; one end, facing the outer hub, of the steering knuckle is provided with a locking nut which is used for locking and fixing the inner hub and the steering knuckle; the ABS gear ring is further arranged at one end, far away from the outer hub, of the inner hub, the ABS sensor is arranged on the outer side of one end, far away from the locking nut, of the steering knuckle, and an induction head of the ABS sensor penetrates through the steering knuckle and corresponds to the ABS gear ring.
Optionally, according to the novel front axle end structure of the drum brake of the present invention, the bearing includes an outer bearing and an inner bearing, and the outer bearing and the inner bearing are symmetrically disposed on the outer side of the knuckle.
Optionally, according to the novel front axle wheel end structure of the drum brake, a through hole is formed in the middle of the outer hub, and corresponds to the locking nut.
Optionally, according to the novel front axle wheel end structure of the drum brake, a protective cover is further arranged at the through hole, and the edge of the protective cover is buckled with the edge of the through hole.
Optionally, according to the novel front axle wheel end structure of the drum brake, the fastening bolt is provided with an inner nut on the inner side and an outer nut on the outer side, and the outer hub is fixedly connected with the brake drum and the wheel rim through screwing of the outer nut and the inner nut.
Optionally, according to the novel front axle wheel end structure of the drum brake, the number of the fastening bolts is six, and the six fastening bolts are annularly arrayed on the end face of the outer hub by taking the circle center of the outer hub as a center.
Optionally, according to the novel front axle end structure of the drum brake of the present invention, the number of the hub connecting bolts between the outer hub and the inner hub is at least two pairs, and the hub connecting bolts are centered on the lock nut and annularly arrayed around the lock nut.
The novel front axle wheel end structure of the drum brake can effectively avoid the problem that the bearing is damaged due to the disassembly and the disassembly of the wheel hub, the inner bearing and the outer bearing when the friction plate is replaced and the ABS sensor is checked for faults. According to the invention, the hub is split into the outer hub and the inner hub, and the outer hub and the inner hub are fixedly connected through the hub connecting roller, when the ABS sensor needs to be detected or a friction plate needs to be replaced, only the outer hub needs to be disassembled, and the inner hub can be continuously retained on the steering knuckle, so that the bearing between the steering knuckle and the inner hub is prevented from being damaged.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a cross-sectional view of a novel drum brake front axle end configuration as disclosed herein;
FIG. 2 is a perspective view of the novel drum brake front axle end structure disclosed in the present invention;
FIG. 3 is a schematic illustration of an ABS sensor and ABS ring gear as disclosed herein;
description of reference numerals: 1-a rim; 2-a brake drum; 3-an internal nut; 4-fastening bolts; 5-external nut; 6-outer hub; 7-an outer bearing; 8-locking a nut; 9-a shield; 10-hub connection bolts; 11-a knuckle; 12-an inner bearing; 13-inner hub; 14-a brake shoe; 15-friction plate; 16-ABS sensor; 17-ABS ring gear.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
According to the invention, as shown in fig. 1 to 3, the invention provides a novel front axle end structure of a drum brake, which comprises a rim 1, a brake drum 2, an outer hub 6, a steering knuckle 11, an inner hub 13, an ABS sensor 16 and a brake shoe 14; the brake drum 2 and the outer hub 6 are connected by fastening bolts 4, and the rim 1 is overlapped on the outer side of the outer hub 6 and connected to the brake drum 2 by the fastening bolts 4.
The steering knuckle 11 is arranged inside the inner hub 13, a bearing is arranged between the steering knuckle 11 and the inner hub 13, a brake shoe 14 is further arranged on the outer side wall of the inner hub 13, a friction plate 15 is arranged at the end part of the brake shoe 14, and the friction plate 15 is matched with the inner side of the brake drum 2; the inner hub 13 and the outer hub 6 are fixedly mounted by the hub attachment bolts 10 so that the knuckle 11 is fixed inside the inner hub 13; one end of the steering knuckle 11 facing the outer hub 6 is provided with a locking nut 8, and the locking nut 8 is used for locking and fixing the inner hub 13 and the steering knuckle 11; the end of the inner hub 13 far away from the outer hub 6 is also provided with an ABS gear ring 17, an ABS sensor 16 is arranged outside the end of the steering knuckle 11 far away from the lock nut 8, and an induction head of the ABS sensor 16 penetrates through the steering knuckle 11 and corresponds to the ABS gear ring 17.
In implementation, the invention can effectively avoid the problem of bearing damage caused by disassembling and disassembling the hub, the inner bearing 12 and the outer bearing 7 when the friction plate 15 is replaced and the ABS sensor 16 is checked to be in fault. According to the invention, the hub is split into the outer hub 6 and the inner hub 13, and the two parts are fixedly connected through the hub connection bolt, when the ABS sensor 16 needs to be detected or the friction plate 15 needs to be replaced, only the outer hub 6 needs to be disassembled, and the inner hub 13 can be continuously retained on the steering knuckle 11, so that the bearing between the steering knuckle 11 and the inner hub 13 is prevented from being damaged, and the ABS gear ring 17 is arranged on the outer side of one end of the steering knuckle 11 far away from the outer hub 6, so that the detection can be completed without disassembling the hub when the ABS sensor 16 is detected.
Further, the bearing includes an outer bearing 7 and an inner bearing 12, and the outer bearing 7 and the inner bearing 12 are symmetrically disposed outside the knuckle 11. The transmission relationship between the inner hub 13 and the knuckle 11 is realized by two bearings, ensuring the sensitivity of the knuckle 11.
Furthermore, a through hole is formed in the middle of the outer hub 6, corresponds to the locking nut 8, and is convenient to detach the locking nut 8.
Still further, still be equipped with guard shield 9 in through-hole department, the edge of guard shield 9 and the edge lock of through-hole prevent that dust from getting into knuckle 11 from the through-hole, cause knuckle 11 internal damage.
Further, the fastening bolt 4 is provided with an inner nut 3 on the inner side and an outer nut 5 on the outer side, and the outer hub 6 is fixedly connected with the brake drum 2 and the rim 1 by screwing the outer nut 5 and the inner nut 3. The length of the fastening bolt 4 positioned outside the outer hub 6 can be adjusted through the outer nut 5 and the inner nut 3, and when the fastening bolt is arranged, the thread directions of the outer nut 5 and the inner nut 3 are opposite, so that the connection strength of the fastening bolt 4 is ensured.
Further, the number of the fastening bolts 4 is six, and the six fastening bolts 4 are annularly arrayed on the end face of the outer hub 6 by taking the circle center of the outer hub 6 as the center, so that the connection strength between the outer hub 6 and the rim 1 and the brake drum 2 is increased.
Further, the number of the hub connecting bolts 10 between the outer hub 6 and the inner hub 13 is at least two pairs, and the hub connecting bolts are annularly arrayed around the lock nut 8 with the lock nut 8 as a center, so that the connecting strength between the outer hub 6 and the inner hub 13 is ensured.
When the friction plate 15 needs to be replaced, the protective cover 9 is opened, the locking nut 8 is unscrewed, and the hub connecting bolt 10 is unscrewed, so that the brake drum 2, the outer hub 6, the inner nut 3, the bolt and the outer nut 5 can be integrally taken down from the steering knuckle 11, the inner hub 13, the outer bearing 7 and the inner bearing 12 are retained on the steering knuckle 11, and the replacement of the friction plate 15 can be completed without disassembling the outer bearing 7 and the inner bearing 12. The outer bearing 7 and the inner bearing 12 are maintenance-free bearings, and oil injection maintenance is not needed in the using process.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (7)
1. A novel front axle wheel end structure of a drum brake is characterized by comprising a wheel rim, a brake drum, an outer hub, a steering knuckle, an inner hub, an ABS sensor and a brake shoe; the brake drum is connected with the outer hub through fastening bolts, and the rim is lapped on the outer side of the outer hub and is connected with the brake drum through the fastening bolts;
the steering knuckle is arranged inside the inner hub, a bearing is arranged between the steering knuckle and the inner hub, a brake shoe is further arranged on the outer side wall of the inner hub, a friction plate is arranged at the end part of the brake shoe, and the friction plate is matched with the inner side of the brake drum; the inner hub and the outer hub are fixedly installed by hub connection bolts so that the knuckle is fixed inside the inner hub; one end, facing the outer hub, of the steering knuckle is provided with a locking nut which is used for locking and fixing the inner hub and the steering knuckle; the ABS gear ring is further arranged at one end, far away from the outer hub, of the inner hub, the ABS sensor is arranged on the outer side of one end, far away from the locking nut, of the steering knuckle, and an induction head of the ABS sensor penetrates through the steering knuckle and corresponds to the ABS gear ring.
2. The novel drum brake front axle wheel end structure of claim 1, characterized in that said bearing comprises an outer bearing and an inner bearing, said outer bearing and said inner bearing being symmetrically disposed outside said knuckle.
3. The new drum brake front axle wheel end structure of claim 1, characterized in that the outer hub is provided with a through hole in the middle, and the through hole corresponds to the lock nut.
4. The novel front axle wheel end structure of a drum brake as claimed in claim 3, wherein a protective cover is further arranged at the through hole, and the edge of the protective cover is buckled with the edge of the through hole.
5. The new front axle end structure of drum brake according to claim 1, characterized in that the fastening bolt is provided with an inner nut on the inside and an outer nut on the outside, and the outer hub is fixedly connected with the brake drum and the rim by screwing the outer nut and the inner nut.
6. The new drum brake front axle wheel end construction of claim 5, characterized in that the number of said fastening bolts is six, and six fastening bolts are arranged on the end face of said outer hub in an annular array centered on the center of the circle of said outer hub.
7. The new drum brake front axle wheel end construction as claimed in claim 1, characterized by the number of hub attachment bolts between said outer hub and said inner hub being at least two pairs and being centered on said locknut in an annular array around said locknut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111250754.9A CN113879044A (en) | 2021-10-26 | 2021-10-26 | Novel drum brake front axle wheel end structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111250754.9A CN113879044A (en) | 2021-10-26 | 2021-10-26 | Novel drum brake front axle wheel end structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113879044A true CN113879044A (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111250754.9A Pending CN113879044A (en) | 2021-10-26 | 2021-10-26 | Novel drum brake front axle wheel end structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN113879044A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10227321A (en) * | 1997-02-17 | 1998-08-25 | Nissan Diesel Motor Co Ltd | Fitting construction of brake drum and disc wheel |
| US20150108823A1 (en) * | 2013-10-23 | 2015-04-23 | The U.S.A. As Represented By The Administrator Of The National Aeronautics And Space Administration | Propulsion wheel motor for an electric vehicle |
| CN204704294U (en) * | 2015-05-20 | 2015-10-14 | 方盛车桥（苏州）有限公司 | The drum-type back axle that brake drum is external |
| CN105059048A (en) * | 2015-08-13 | 2015-11-18 | 安徽江淮汽车股份有限公司 | Front axle wheel end structure and automobile |
| CN106218318A (en) * | 2016-08-25 | 2016-12-14 | 安徽江淮汽车股份有限公司 | A kind of automotive hub structure |
| CN209026059U (en) * | 2018-08-30 | 2019-06-25 | 无锡晶华汽车制动器有限公司 | A kind of Hydraulic Double neck shoe drum clearance self-regulating brake of having electronic alarm |
| CN110536802A (en) * | 2017-04-20 | 2019-12-03 | 沃森查林制造公司 | Vehicle suspension with public wheel hub and/or knuckle assembly |
| CN211138929U (en) * | 2019-12-18 | 2020-07-31 | 南京创捷和信汽车零部件有限公司 | Front shaft assembly of pressure drum type brake for passenger car |
| CN111619288A (en) * | 2020-06-05 | 2020-09-04 | 江西江铃底盘股份有限公司 | Driving axle based on novel half-shaft bearing installation system |
-
2021
- 2021-10-26 CN CN202111250754.9A patent/CN113879044A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10227321A (en) * | 1997-02-17 | 1998-08-25 | Nissan Diesel Motor Co Ltd | Fitting construction of brake drum and disc wheel |
| US20150108823A1 (en) * | 2013-10-23 | 2015-04-23 | The U.S.A. As Represented By The Administrator Of The National Aeronautics And Space Administration | Propulsion wheel motor for an electric vehicle |
| CN204704294U (en) * | 2015-05-20 | 2015-10-14 | 方盛车桥（苏州）有限公司 | The drum-type back axle that brake drum is external |
| CN105059048A (en) * | 2015-08-13 | 2015-11-18 | 安徽江淮汽车股份有限公司 | Front axle wheel end structure and automobile |
| CN106218318A (en) * | 2016-08-25 | 2016-12-14 | 安徽江淮汽车股份有限公司 | A kind of automotive hub structure |
| CN110536802A (en) * | 2017-04-20 | 2019-12-03 | 沃森查林制造公司 | Vehicle suspension with public wheel hub and/or knuckle assembly |
| CN209026059U (en) * | 2018-08-30 | 2019-06-25 | 无锡晶华汽车制动器有限公司 | A kind of Hydraulic Double neck shoe drum clearance self-regulating brake of having electronic alarm |
| CN211138929U (en) * | 2019-12-18 | 2020-07-31 | 南京创捷和信汽车零部件有限公司 | Front shaft assembly of pressure drum type brake for passenger car |
| CN111619288A (en) * | 2020-06-05 | 2020-09-04 | 江西江铃底盘股份有限公司 | Driving axle based on novel half-shaft bearing installation system |
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