CN107339342B - Manufacturing method and device for V-shaped drum brake of vehicle - Google Patents
Manufacturing method and device for V-shaped drum brake of vehicle Download PDFInfo
- Publication number
- CN107339342B CN107339342B CN201710550984.4A CN201710550984A CN107339342B CN 107339342 B CN107339342 B CN 107339342B CN 201710550984 A CN201710550984 A CN 201710550984A CN 107339342 B CN107339342 B CN 107339342B
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- Prior art keywords
- brake
- brake shoe
- drum
- shaped
- shoe
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
- F16D51/16—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis
- F16D51/18—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes
- F16D51/20—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/08—Bands, shoes or pads; Pivots or supporting members therefor for internally-engaging brakes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/10—Drums for externally- or internally-engaging brakes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
- F16D2051/001—Parts or details of drum brakes
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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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a manufacturing method and a device of a V-shaped drum brake of a vehicle, comprising a steel ring, a brake drum, a first brake shoe, a brake bottom plate, a bridge cylinder, a half shaft and a second brake shoe, wherein the half shaft is arranged in the bridge cylinder, a bearing is arranged at the joint of the half shaft and the bridge cylinder, a shaft sleeve is arranged at the outer side of the bearing, a key bar and the brake drum are arranged at the outer side of the part of the half shaft extending out of the bridge cylinder, the half shaft and the brake drum are fixedly connected through a brake drum fixing wire, the steel ring is arranged at the outer side of the brake drum, the brake drum and the steel ring are fixedly connected through the steel ring fixing wire, and a V-shaped groove is formed in the inner wall of the brake drum. According to the invention, the V-shaped drum brake and the V-shaped brake shoe are adopted, so that the friction area of the V-shaped drum brake and the V-shaped brake shoe contacted during braking is large, and the embedded friction between the inner ring groove of the V-shaped drum brake and the V-shaped edge of the V-shaped brake shoe is caused during rainy and snowy weather, so that the brake effect is good, the whole structure is simple, the weight is light, and the installation is convenient.
Description
[ field of technology ]
The invention relates to the technical field of transportation, in particular to a method and a device for manufacturing a V-shaped drum brake of a vehicle.
[ background Art ]
The traditional drum brake is characterized in that a brake pot and a tire are fixed and rotate at the same speed. When braking, the oil pressure or the protruding shaft is used to push the brake shoe to contact the inner edge of the brake drum, and the friction force generated by contact is used to inhibit the rotation of the tire so as to achieve the purpose of braking. The drum brake consists of a brake bottom plate, a brake cylinder, a brake shoe and other related connecting rods, springs, pins and a brake drum. The traditional drum brake has huge volume, small friction area caused by contact, and emergency braking or the situation that the car cannot be braked when the car is in rainy or snowy weather. Therefore, we propose a manufacturing method and device of V-shaped drum brake of vehicle.
[ invention ]
The invention mainly aims to provide a manufacturing method and a device for a V-shaped drum brake of a vehicle, wherein a V-shaped ring groove is processed on the inner wall of the brake drum, the V-shaped opening direction faces the circle center, a water draining through hole is distributed at the bottom edge of the V-shaped groove, the edges of two small semicircular brake shoes are riveted, the V-shaped brake shoe is enabled to face the circle center, the V-shaped ring groove on the inner wall of the brake drum is embedded into the edge of the brake shoe to rivet two thirds of the V-shaped brake shoe, the V-shaped brake shoe on the edge of the semicircular brake shoe is enabled to rivet one third of the V-shaped brake shoe on the inner wall of the brake drum, at the moment, the two V-shaped edges are in tight fit, the plane between the two end surfaces of a convex shaft and the end surface of a first friction block and the end surface of a second friction block are in contact, the distance between the end surface of the first friction block and the end surface of the second friction block is minimum, the first brake shoe and the second brake shoe on the second brake shoe are not in contact, the V-shaped groove in the brake shoe and the brake shoe in the brake drum is not in contact, and the first brake shoe and the second brake shoe are pushed to rotate to a certain angle under the action of the external force to push the first brake shoe and the second brake shoe to the inner side of the second brake shoe and the second brake shoe is in close contact with the circle center.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a manufacturing approach and device that vehicle V style of calligraphy drum was stopped, includes steel rim, brake drum, brake shoe, brake bottom plate, bridge cylinder, semi-axis and No. two brake shoes, bridge cylinder internally mounted has the semi-axis, semi-axis and bridge cylinder junction are equipped with the bearing, the axle sleeve is installed in the bearing outside, the semi-axis stretches out bridge cylinder part's outside and installs keybars, brake drum, semi-axis and brake drum pass through brake drum fixed wire fixed connection, the brake drum outside is equipped with the steel rim, brake drum and steel rim pass through steel rim fixed wire fixed connection, the V-arrangement groove has been seted up to the brake drum inner wall, and V-arrangement groove opening direction is towards the semi-axis, the brake drum inboard is equipped with brake shoe and No. two brake shoes respectively, no. one brake shoe and No. two brake shoes use the semi-axis to be central symmetry distribution, no. one brake shoe outside and be located the V-arrangement in the groove and be equipped with No. one brake shoe, no. one brake shoe and No. one brake shoe pass through rivet fixed connection, no. two brake shoes outside and No. two brake shoes are equipped with No. two brake shoes and are located V-drum fixed wire fixed connection, no. two brake shoes are equipped with brake shoes and No. two brake shoes and brake shoe bottom plate pin through fixed connection, no. two brake shoes and one side are close to the brake shoe pin.
Further, a mounting hole and a second mounting hole are formed in the brake drum, the first mounting hole and the second mounting hole are symmetrically distributed by taking the half shaft as a center, matched holes are formed in vertical positions of the first mounting hole and the second mounting hole, a friction block end face is mounted at one end of the first brake shoe, a second arc-shaped connecting piece is mounted at the other end of the first brake shoe, a second friction block end face is mounted at one end of the second brake shoe, a first arc-shaped connecting piece is mounted at the other end of the second brake shoe, the first friction block end face corresponds to the second friction block end face, the first arc-shaped connecting piece corresponds to the second arc-shaped connecting piece, a protruding shaft is arranged on the inner side of the first friction block end face and the second friction block end face, a protruding shaft spline end is arranged on the protruding shaft spline end, one end of the protruding shaft spline end is located in the first mounting hole, the other end of the protruding shaft spline end is located in the hole of the brake shoe, a shaft pin is arranged on the inner side of the first arc-shaped connecting piece and the second arc-shaped connecting piece, and the other end of the shaft pin is located in the hole of the second mounting hole.
Further, a first tension spring and a second tension spring are connected between the first brake shoe and the second brake shoe, the first tension spring and the second tension spring are symmetrically distributed by taking the half shaft as a center, and a tension spring hanging hole is formed at the joint of the brake shoe and the tension spring.
Further, the brake drum is provided with a V-shaped groove water draining through hole.
Further, the first brake shoe and the second brake shoe are both V-shaped.
Further, the first brake shoe and the second brake shoe are semi-circular and symmetrical to each other.
Compared with the prior art, the invention has the following beneficial effects: the V-shaped drum brake and the V-shaped brake shoe are adopted, the friction area of the V-shaped drum brake and the V-shaped brake shoe which are contacted during braking is large, and the embedded friction is caused by the inner annular groove of the V-shaped drum brake and the V-shaped edge of the V-shaped brake shoe during rainy and snowy weather, so that the brake is good in braking effect, simple in overall structure, light in weight and convenient to install.
[ description of the drawings ]
Fig. 1 is a cross-sectional view showing the overall construction of a method and apparatus for manufacturing a V-shaped drum brake for a vehicle according to the present invention.
Fig. 2 is a schematic diagram showing the overall structure of a method and apparatus for manufacturing a V-shaped drum brake for a vehicle according to the present invention.
In the figure: 1. a steel ring; 2. a brake drum; 3. a V-shaped groove; 4. a first brake shoe; 5. a rivet; 6. a first brake shoe; 7. a brake bottom plate; 8. a first pin; 9. a spring; 10. a bridge cylinder; 11. a bearing; 12. a half shaft; 13. a shaft sleeve; 14. a brake bottom plate fixing wire; 15. a second pin; 16. a second brake shoe; 17. a second brake pad; 18. a first mounting hole; 19. steel ring fixing wires; 20. brake drum fixing wires; 21. a key bar; 22. a second mounting hole; 23. v-shaped groove water draining through hole; 24. a tension spring hanging hole; 25. the end face of the first friction block; 26. a protruding shaft; 27. a male shaft spline end; 28. the end face of the second friction block; 29. a first tension spring; 30. a second tension spring; 31. a first arc-shaped connecting sheet; 32. a shaft pin; 33. and a second arc-shaped connecting sheet.
[ detailed description ] of the invention
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in figures 1-2, the manufacturing method and the device of the V-shaped drum brake of the vehicle comprise a steel ring 1, a brake drum 2, a first brake shoe 6, a brake bottom plate 7, a bridge cylinder 10, a half shaft 12 and a second brake shoe 16, wherein the half shaft 12 is arranged in the bridge cylinder 10, a bearing 11 is arranged at the joint of the half shaft 12 and the bridge cylinder 10, a shaft sleeve 13 is arranged at the outer side of the bearing 11, a key bar 21 and the brake drum 2 are arranged at the outer side of the part of the half shaft 12 extending out of the bridge cylinder 10, the half shaft 12 and the brake drum 2 are fixedly connected through a brake drum fixing wire 20, the steel ring 1 is arranged at the outer side of the brake drum 2, the brake drum 2 and the steel ring 1 are fixedly connected through a steel ring fixing wire 19, a V-shaped groove 3 is arranged on the inner wall of the brake drum 2, the opening direction of the V-shaped groove 3 faces the half shaft 12, a first brake shoe 6 and a second brake shoe 16 are respectively arranged at the inner side of the brake drum 2, the first brake shoe 6 and the second brake shoe 16 are symmetrically distributed by taking the half shaft 12 as a center, a first brake shoe 4 is arranged on the outer side of the first brake shoe 6 and positioned in the V-shaped groove 3, the first brake shoe 6 and the first brake shoe 4 are fixedly connected through a rivet 5, a second brake shoe 17 is arranged on the outer side of the second brake shoe 16 and positioned in the V-shaped groove 3, the second brake shoe 16 and the second brake shoe 17 are fixedly connected through the rivet 5, a brake bottom plate 7 is arranged on one side of the bridge cylinder 10 close to the brake drum 2, the bridge cylinder 10 and the brake bottom plate 7 are fixedly connected through a brake bottom plate fixing wire 14, the first brake shoe 6 and the brake bottom plate 7 are fixedly connected through a first pin 8, the second brake shoe 16 and the brake bottom plate 7 are fixedly connected through a second pin 15, the first pin 8 and the second pin 15 are both provided with springs 9, and the spring 9 is located between the brake sole plate 7 and the brake shoe.
The brake drum 2 is provided with a first mounting hole 18 and a second mounting hole 22, the first mounting hole 18 and the second mounting hole 22 are symmetrically distributed by taking the half shaft 12 as a center, the inner sides of the first friction block end face 25 and the second friction block end face 28 are respectively provided with a matched hole, a first friction block end face 25 is arranged at one end of the first brake shoe 6, a second arc-shaped connecting sheet 33 is arranged at the other end of the first brake shoe 6, a second friction block end face 28 is arranged at one end of the second brake shoe 16, a first arc-shaped connecting sheet 31 is arranged at the other end of the second brake shoe 16, the first friction block end face 25 corresponds to the second friction block end face 28, the first arc-shaped connecting sheet 31 corresponds to the second arc-shaped connecting sheet 33, a convex shaft 26 is arranged at the inner side of the first friction block end face 25 and the second friction block end face 28, a convex shaft spline end 27 is arranged at one end of the first mounting hole 18, the other end of the convex shaft spline end 27 is positioned in the hole of the first brake shoe 7, a second arc-shaped connecting sheet 31 is arranged at the other end of the second arc-shaped connecting sheet 32 is positioned in the inner side of the second arc-shaped connecting sheet 32, and the first friction block end face 31 and the second arc-shaped connecting sheet 33 is positioned in the arc-shaped shaft 32.
The first and second tension springs 29 and 30 are connected between the first and second brake shoes 6 and 16, the first and second tension springs 29 and 30 are symmetrically distributed with the half shaft 12 as a center, and tension spring hanging holes 24 are formed at the joints of the brake shoes and the tension springs.
Wherein, the brake drum 2 is provided with a V-shaped groove water drain through hole 23.
Wherein, brake shoe 4 and No. two brake shoes 17 are V style of calligraphy all.
Wherein, the first brake shoe 6 and the second brake shoe 16 are both semicircular and symmetrical.
The invention relates to a manufacturing method and a device of a V-shaped drum brake of a vehicle, which is characterized in that a V-shaped ring groove is processed on the inner wall of a brake drum 2, the opening direction of the V-shape faces the circle center, a drainage through hole is distributed at the bottom edge of a V-shaped groove 3, two small semicircular brake shoe edges are riveted with a V-shaped brake shoe, the opening direction of the V-shaped brake shoe faces the circle center, two thirds of the V-shaped brake shoe is riveted with the V-shaped ring groove on the inner wall of the brake drum 2, one third of the V-shaped brake shoe is riveted with the edge of the semicircular brake shoe outside the V-shaped ring groove on the inner wall of the brake drum 2, at the moment, the two V-shaped edges are in tight fit, the device is in plane contact between two end planes of a protruding shaft 26 and a first friction block end face 25 and a second friction block end face 28 in a non-braking state, the distance between the first friction block end face 25 and the second friction block end face 28 is minimum, a first brake shoe 6 and a second brake shoe 16 are not in contact with a V-shaped groove 3 in a brake drum 2, a second brake shoe 17 and a first brake shoe 4 on the second brake shoe 16, when the protruding shaft spline end 27 rotates to a certain angle under the action of external force, the first brake shoe 6 and the second brake shoe 16 are pushed to be opened by taking a shaft pin 32 as a circle center, and inclined planes at two ends of the first brake shoe 4 and the second brake shoe 17 are respectively in tight contact with the V-shaped groove 3 in the inner side of the brake drum 2, so that the purpose of braking a vehicle is achieved.
In the structure, the hydraulic cylinder is refitted at the position of the convex shaft 26 to prop up the brake shoe, so that the purpose of braking by the V-shaped groove 3 can be achieved.
In the structure, the position where the protruding shaft 26 is arranged is modified to be an electromagnetic structure to prop up the brake shoe, so that the purpose of braking by the V-shaped groove 3 can be achieved.
In this structure, in order to increase the braking force, the V-arrangement groove 3 of surveying in the brake drum 2 can a plurality of ranges use, and the multiunit of brake shoe is listed as corresponding the installation, can not influence V-arrangement groove 3 brake effect.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a vehicle V style of calligraphy drum is stopped, includes steel ring (1), brake drum (2), brake shoe (6), brake bottom plate (7), bridge section of thick bamboo (10), semi-axis (12) and No. two brake shoes (16), its characterized in that: axle sleeve (13) is installed in the outer side of bearing (11), key bar (21) and brake drum (2) are installed in the outer side of the portion of axle sleeve (10) extending out of axle sleeve (12), axle sleeve (12) and brake drum (2) are fixedly connected through brake drum fixing wires (20), steel ring (1) are arranged in the outer side of brake drum (2), brake drum (2) and steel ring (1) are fixedly connected through steel ring fixing wires (19), V-shaped groove (3) are formed in the inner wall of brake drum (2), and V-shaped groove (3) is open towards axle sleeve (12), first brake shoe (6) and second brake shoe (16) are respectively arranged on the inner side of brake drum (2), first brake shoe (6) and second brake shoe (16) are symmetrically distributed by taking axle sleeve (12) as the center, first brake shoe (6) are arranged on the outer side and are located in V-shaped groove (3) and are fixedly connected with first brake shoe (4) through a rivet (5), the second brake shoe (16) is provided with the second brake shoe (17) outside and positioned in the V-shaped groove (3), the second brake shoe (16) and the second brake shoe (17) are fixedly connected through rivets (5), one side of the bridge cylinder (10) close to the brake drum (2) is provided with the brake bottom plate (7), the bridge cylinder (10) and the brake bottom plate (7) are fixedly connected through brake bottom plate fixing wires (14), the first brake shoe (6) and the brake bottom plate (7) are fixedly connected through a first pin (8), the second brake shoe (16) and the brake bottom plate (7) are fixedly connected through a second pin (15), the first pin (8) and the second pin (15) are both provided with springs (9), and the springs (9) are positioned between the brake bottom plate (7) and the brake shoe,
the brake drum (2) is provided with a first mounting hole (18) and a second mounting hole (22), the first mounting hole (18) and the second mounting hole (22) are distributed by taking the half shaft (12) as center symmetry, the brake bottom plate (7) is corresponding to the first mounting hole (18) and the second mounting hole (22) in vertical position, the matched holes are respectively formed in the inner side of the first brake shoe (6), one end of the first brake shoe is provided with a first friction block end face (25), the other end of the first brake shoe (6) is provided with a second arc-shaped connecting piece (33), one end of the second brake shoe (16) is provided with a second friction block end face (28), the other end of the second brake shoe (16) is provided with a first arc-shaped connecting piece (31), the first friction block end face (25) corresponds to the second friction block end face (28), the inner side of the first arc-shaped connecting piece (31) corresponds to the second arc-shaped connecting piece (33), the inner side of the first friction block end face (25) and the second friction block end face (28) is provided with a protruding shaft (26), the second brake shoe end face (33) is provided with a protruding shaft (27), the other end of the second brake shoe (16) is provided with a protruding shaft spline (27), the protruding shaft (27) is located in the inner end of the first spline (32), one end of the shaft pin (32) is positioned in the second mounting hole (22), the other end is positioned in the hole of the brake bottom plate (7),
a first tension spring (29) and a second tension spring (30) are connected between the first brake shoe (6) and the second brake shoe (16), the first tension spring (29) and the second tension spring (30) are symmetrically distributed by taking the half shaft (12) as a center, and a tension spring hanging hole (24) is formed at the joint of the brake shoe and the tension spring.
2. A vehicle V-shaped drum brake as claimed in claim 1 wherein: the brake drum (2) is provided with a V-shaped groove water draining through hole (23).
3. A vehicle V-shaped drum brake as claimed in claim 1 wherein: the first brake shoe (4) and the second brake shoe (17) are both V-shaped.
4. A vehicle V-shaped drum brake as claimed in claim 1 wherein: the first brake shoe (6) and the second brake shoe (16) are semi-circular and symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710550984.4A CN107339342B (en) | 2017-07-07 | 2017-07-07 | Manufacturing method and device for V-shaped drum brake of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710550984.4A CN107339342B (en) | 2017-07-07 | 2017-07-07 | Manufacturing method and device for V-shaped drum brake of vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107339342A CN107339342A (en) | 2017-11-10 |
| CN107339342B true CN107339342B (en) | 2023-09-12 |
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ID=60218628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710550984.4A Active CN107339342B (en) | 2017-07-07 | 2017-07-07 | Manufacturing method and device for V-shaped drum brake of vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107339342B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112797093A (en) * | 2021-01-29 | 2021-05-14 | 徐州九阳机械制造有限公司 | Brake drum braking device for engineering truck |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2554056Y (en) * | 2002-05-22 | 2003-06-04 | 陈虎声 | Draw-bar brake device |
| CN2828432Y (en) * | 2005-08-10 | 2006-10-18 | 林孝云 | Drum brake |
| CN202266615U (en) * | 2011-09-07 | 2012-06-06 | 许志明 | Novel drum brake |
| WO2014106453A1 (en) * | 2013-01-03 | 2014-07-10 | Yang Guohui | Brake drum |
| CN203739873U (en) * | 2014-03-13 | 2014-07-30 | 山东交通学院 | Hydraulic brake of automobile |
| CN204493502U (en) * | 2015-02-10 | 2015-07-22 | 乔爱民 | A kind of drum is stopped |
| CN205350146U (en) * | 2016-01-21 | 2016-06-29 | 晋江凯燕化工有限公司 | Brake shoes and drum brake device that has this shoe plate |
| CN106122323A (en) * | 2016-08-23 | 2016-11-16 | 长兴华亿机电有限公司 | A kind of brake shoes |
| CN206918127U (en) * | 2017-07-07 | 2018-01-23 | 安徽双鹿车业有限公司 | A kind of vehicle V-shape drum brake device |
-
2017
- 2017-07-07 CN CN201710550984.4A patent/CN107339342B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2554056Y (en) * | 2002-05-22 | 2003-06-04 | 陈虎声 | Draw-bar brake device |
| CN2828432Y (en) * | 2005-08-10 | 2006-10-18 | 林孝云 | Drum brake |
| CN202266615U (en) * | 2011-09-07 | 2012-06-06 | 许志明 | Novel drum brake |
| WO2014106453A1 (en) * | 2013-01-03 | 2014-07-10 | Yang Guohui | Brake drum |
| CN203739873U (en) * | 2014-03-13 | 2014-07-30 | 山东交通学院 | Hydraulic brake of automobile |
| CN204493502U (en) * | 2015-02-10 | 2015-07-22 | 乔爱民 | A kind of drum is stopped |
| CN205350146U (en) * | 2016-01-21 | 2016-06-29 | 晋江凯燕化工有限公司 | Brake shoes and drum brake device that has this shoe plate |
| CN106122323A (en) * | 2016-08-23 | 2016-11-16 | 长兴华亿机电有限公司 | A kind of brake shoes |
| CN206918127U (en) * | 2017-07-07 | 2018-01-23 | 安徽双鹿车业有限公司 | A kind of vehicle V-shape drum brake device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107339342A (en) | 2017-11-10 |
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