CN112360906A - Heat dissipation method of drum brake - Google Patents
Heat dissipation method of drum brake Download PDFInfo
- Publication number
- CN112360906A CN112360906A CN202011213177.1A CN202011213177A CN112360906A CN 112360906 A CN112360906 A CN 112360906A CN 202011213177 A CN202011213177 A CN 202011213177A CN 112360906 A CN112360906 A CN 112360906A
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- CN
- China
- Prior art keywords
- main shaft
- temperature
- brake
- air
- hubs
- Prior art date
- 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
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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
- F16D65/78—Features relating to cooling
- F16D65/82—Features relating to cooling for internally-engaging brakes
- F16D65/827—Features relating to cooling for internally-engaging brakes with open cooling system, e.g. cooled by air
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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
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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
- F16D65/09—Pivots or supporting members therefor
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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
- F16D65/10—Drums for externally- or internally-engaging brakes
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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
- F16D2065/13—Parts or details of discs or drums
- F16D2065/1304—Structure
- F16D2065/1332—Structure external ribs, e.g. for cooling or reinforcement
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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
- F16D2065/13—Parts or details of discs or drums
- F16D2065/1304—Structure
- F16D2065/1336—Structure integral part of vehicle wheel
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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
- F16D65/78—Features relating to cooling
- F16D2065/783—Features relating to cooling cooling control or adjustment
-
- 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
- F16D65/78—Features relating to cooling
- F16D2065/787—Pumps
-
- 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
- F16D65/78—Features relating to cooling
- F16D2065/789—External cooling ribs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a heat dissipation method of a drum brake, which comprises a main shaft, wherein hubs are arranged at two ends of the main shaft, brake shoes are arranged in the hubs, a brake power device is arranged on the main shaft and connected with a transmission rod, the transmission rod extends into the hubs and is in control connection with the brake shoes through a shifting plate, a cavity is arranged in the main shaft, an air compression pump is arranged on the main shaft and communicated with the cavity in the main shaft through an air transmission branch pipe, a plurality of cooling pipes communicated with the cavity in the main shaft are arranged on the main shaft, the cooling pipes are positioned in the hubs, and one end of the transmission rod is provided with an exhaust hole which penetrates through the transmission rod and is communicated with the interior of the hubs. The invention has the advantages that: the invention can effectively reduce the problem of temperature rise caused by braking, and the temperature generated by braking can effectively dissipate heat to the outside in time, so that the brake can always work at a proper temperature, and the service life is prolonged.
Description
Technical Field
The invention relates to the technical field of brakes, in particular to a heat dissipation method of a drum brake.
Background
The brake of the axle during running is to generate resistance by the friction between the brake shoe and the hub to reduce the speed of the vehicle until the vehicle stops completely. During braking, friction generates a great deal of heat, which results in the weakening and failure of the braking function, and the failure of other functions such as fire. The temperature of the vehicle brake is increased due to the slip phenomenon caused by long-time uninterrupted braking. Too high a temperature of the brake shoe will cause the brake friction plate's luting agent to change into a gas and liquid, smoothing the brake friction surface and reducing the coefficient of friction. High temperature that produces in braking process leads to the tire to scald, may lead to the tire to blow out, and some users even dare not to let the long-distance road transportation activity of carrying out on the tire that scalds at a high speed because worry causes the blow out because of scalding, have caused the direct property economic loss of user and have made user's psychology produce the shadow simultaneously. And the wheel hub among the prior art is not seal structure wheel hub and can lead to the brake shoe braking effect to weaken when wading into water, can appear the problem of functional failure in emergency braking process.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a heat dissipation method of a drum brake.
In order to achieve the purpose, the invention adopts the following technical scheme:
a heat dissipation method of a drum brake comprises a main shaft, wherein hubs are mounted at two ends of the main shaft, brake shoes are mounted in the hubs, a brake power device is mounted on the main shaft and connected with a transmission rod, the transmission rod extends into the hubs and is connected with the brake shoes in a control mode through a shifting plate, a cavity is formed in the main shaft, an air compression pump is mounted on the main shaft and communicated with the cavity in the main shaft through an air transmission branch pipe, a plurality of cooling pipes communicated with the cavity in the main shaft are arranged on the main shaft and located in the hubs, and exhaust holes are formed in one end of the transmission rod and penetrate through the transmission rod and are communicated with the interior of the hubs. A temperature collector is arranged in the hub and controls an air compression pump to guide high-pressure gas into the hub to cool the brake shoes.
Preferably, the main shaft is supported and fixed with an air storage box through a group of communicating pipes, the air storage box is arranged in the hub, two ends of each communicating pipe are respectively communicated with the air storage box and a cavity inside the main shaft, air holes are uniformly formed in one side, facing the brake shoe, of the air storage box, and a first one-way valve is arranged at each air hole.
Preferably, a second check valve is installed at the exhaust hole.
Preferably, one side of the brake shoe is provided with a plurality of guide grooves, and guide holes are arranged in the guide grooves.
Preferably, the temperature collector is electrically connected with an automobile ECU, and when the temperature collected by the temperature collector is between 60 and 110 ℃, the ECU controls the instrument to display a temperature value; when the temperature collected by the temperature collector is more than or equal to 110 ℃, the ECU control instrument displays a temperature value and a warning value.
Preferably, when the temperature collected by the temperature collector is lower than or equal to 60 ℃, the air compression pump introduces cooled compressed air into the hub by adopting a first pressure value; when the temperature collected by the temperature collector is between 60 and 110 ℃, the air compression pump introduces cooled compressed air into the hub by adopting a second pressure value; when the temperature collected by the temperature collector is higher than or equal to 110 ℃, the air compression pump introduces cooled compressed air into the wheel hub by adopting a second pressure value and discharges high-pressure cooling gas stored in the gas storage box; the first pressure value is less than or equal to the second pressure value.
Preferably, the temperature collector adopts a temperature sensor.
The invention has the advantages that:
1. the invention can effectively reduce the problem of temperature rise caused by braking, and the temperature generated by braking can effectively dissipate heat to the outside in time, so that the brake can always work at a proper temperature, and the service life is prolonged.
2. The temperature and the braking effect of each brake can be effectively monitored by the cooperative work of the ECU and the ABS of the whole vehicle, so that the braking state of each tire is judged, the hub can be always kept in a proper temperature range through the intelligent control of the ECU, and the safety performance of the whole vehicle is improved.
3. The temperature value of each brake can be displayed on the instrument in real time by being connected with the traction vehicle through the canbus, so that a driver can know the brake condition in real time and can effectively judge the braking distance, the brake state is known at any time, and the safety is further improved.
4. The brake shoe contains the wearing and tearing sensor and can real time monitoring wearing and tearing condition in the piece, if reach when needing to change the brake shoe, ECU can show alarm signal at the instrument, thereby the suggestion driver in time changes the brake shoe of renewal and guarantees trailer braking effect.
5. The guide grooves on the brake shoes can increase the heat dissipation area, and further improve the heat dissipation effect.
6. Carry out secondary cooling before the air gets into in the wheel hub cavity, further increased the radiating effect.
7. In can preventing external natural air entering wheel hub through first check valve and second check valve, also can prevent the air backward flow simultaneously, can effectual reduction thermal interference.
8. The cooling air is dried before entering the hub, so that the cooling air entering the hub cavity can be kept dry, and the service life and the braking effect of the brake shoe are prevented from being shortened due to damp air.
9. The whole sealing structure of the wheel hub can avoid the problem that the wheel hub is out of service in braking when wading.
Drawings
FIG. 1 is a schematic view of the basic structure of a drum brake provided by the present invention;
FIG. 2 is a schematic view of the basic structure of the main shaft and the air storage tank;
fig. 3 is a schematic diagram of the basic structure of the brake shoe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1-3, the heat dissipation method of a drum brake according to the present invention includes a main shaft 1, wherein hubs 2 are installed at two ends of the main shaft 1, brake shoes 4 are installed in the hubs 2, a brake power device 9 is installed on the main shaft 1, the brake power device 9 is connected to a transmission rod 7, the transmission rod 7 extends into the hubs 2 and is connected to the brake shoes 4 through a dial plate control, a wear sensor is installed in the brake shoes 4, a plurality of guide grooves 41 are formed in one side of the brake shoes 4, and guide holes 42 are formed in the guide grooves 41. The air compressor is characterized in that a cavity is formed in the main shaft 1, an air compression pump 6 is mounted on the main shaft 1, the air compression pump 6 is communicated with the cavity in the main shaft 1 through an air transmission branch pipe 61, a plurality of cooling pipes 8 communicated with the cavity in the main shaft 1 are arranged on the main shaft 1, the cooling pipes 8 are located in the hub 2, an exhaust hole is formed in one end of the transmission rod 7, and a second one-way valve and an exhaust valve are mounted at the exhaust hole. The exhaust hole penetrates through the transmission rod 7 and is communicated with the interior of the hub. The main shaft 1 is supported and fixed with the air storage tank 3 through the communicating pipe 5, the air storage tank 3 is arranged in the hub 2, two ends of the communicating pipe 5 are respectively communicated with the air storage tank 3 and a cavity inside the main shaft 1, and high-pressure cold air is constantly stored in the air storage tank 3. Air holes 31 are uniformly formed in one side, facing the brake shoe 4, of the air storage box 3, and a first one-way valve 32 is installed at each air hole 31. A temperature collector is arranged in the hub, the temperature collector adopts a temperature sensor, and the temperature collector controls an air compression pump 6 to guide high-pressure gas into the hub 2 to cool the brake shoes 4. The main shaft cooling device comprises a main shaft 1, and is characterized in that a filtering device, a drying device, a cooling device and a detection device are arranged in a cavity inside the main shaft 1, the filtering device filters cooling air, particle impurities in the cooling air are eliminated, the cooling device can carry out secondary cooling on the cooling air, the cooling effect is improved, the drying device dries moisture in the cooling air, the detection device detects the pH value in the cooling device, and chemical reaction between the cooling air and internal parts of a hub is prevented. The temperature collector is electrically connected with the automobile ECU system, the air compression pump 6 and the ABS system. When the temperature collector collects that the temperature is less than or equal to 60 ℃, the ECU does not display the temperature information on the instrument in real time, the air compression pump 6 introduces cooled compressed air into the hub 2 by adopting a first pressure value, the air displacement of the exhaust valve is controlled to be reduced by the ECU, the cold compressed air circulates in the hub at a low speed to cool the inside of the hub, the ABS adopts conventional braking at the moment, the instrument does not display the distance required by the braking, and the ABS is in an unapproved state. When the temperature collected by the temperature collector is between 60 and 110 ℃, the ECU controls the instrument to display a temperature value, the air compression pump 6 introduces cooled compressed air into the hub 2 by adopting a second pressure value, the instrument displays the temperature value at the same time, the exhaust volume of the exhaust valve is adjusted to a medium state, the instrument displays a calculated value of a braking required distance, and the ABS is in a preparation state. When the temperature collected by the temperature collector is more than or equal to 110 ℃, the ECU control instrument displays a temperature value and a warning value. The air compressor pump 6 adopts the leading-in refrigerated compressed air of second kind of pressure value in to wheel hub 2, and discharges the high-pressure cooling gas who stores in the gas receiver 3, and high-pressure gas storage device carries out the pressure release air and has the brake shoe in close contact with of guiding gutter, and high-pressure air can be followed in the guiding gutter and taken away a large amount of heats through fast. At the moment, the exhaust volume of the exhaust valve is adjusted to the maximum state, and the instrument displays the distance required by braking and calculates the numerical value ABS time to prepare for braking. Of course, the first pressure value is less than or equal to the second pressure value.
Claims (7)
1. A heat dissipation method of a drum brake is characterized in that: the drum brake comprises a main shaft (1), wherein hubs (2) are mounted at two ends of the main shaft (1), brake shoes (4) are mounted in the hubs (2), a brake power device (9) is mounted on the main shaft (1), the brake power device (9) is connected with a transmission rod (7), the transmission rod (7) extends into the hubs (2) and is connected with the brake shoes (4) through a shifting plate in a control mode, a cavity is formed in the main shaft (1), an air compression pump (6) is mounted on the main shaft (1), the air compression pump (6) is communicated with the cavity in the main shaft (1) through an air transmission branch pipe (61), a plurality of cooling pipes (8) communicated with the cavity in the main shaft (1) are arranged on the main shaft (1), the cooling pipes (8) are located in the hubs (2), an exhaust hole is formed in one end of the transmission rod (7), penetrates through the transmission rod (7) and is communicated with, a temperature collector is arranged in the hub and controls an air compression pump (6) to guide high-pressure gas into the hub (2) to cool the brake shoes (4).
2. A method of dissipating heat from a drum brake according to claim 1, wherein: the brake shoe brake device is characterized in that the main shaft (1) is supported and fixed with the gas storage box (3) through the communicating pipe (5), the gas storage box (3) is arranged at two ends of the communicating pipe (5) in the wheel hub (2) and communicated with the gas storage box (3) and a cavity inside the main shaft (1), air holes (31) are uniformly formed in one side, facing the brake shoe (4), of the gas storage box (3), and a first one-way valve (32) is mounted at each air hole (31).
3. A method of dissipating heat from a drum brake according to claim 1, wherein: and a second one-way valve is arranged at the exhaust hole.
4. A method of dissipating heat from a drum brake according to claim 1, wherein: a plurality of guide grooves (41) are formed in one side of the brake shoe (4), and guide holes (42) are formed in the guide grooves (41).
5. A method of dissipating heat from a drum brake according to claim 1, wherein: the temperature collector is electrically connected with the automobile ECU, and when the temperature collected by the temperature collector is between 60 and 110 ℃, the ECU controls the instrument to display a temperature value; when the temperature collected by the temperature collector is more than or equal to 110 ℃, the ECU control instrument displays a temperature value and a warning value.
6. A method of dissipating heat from a drum brake according to claim 1, wherein: when the temperature collected by the temperature collector is lower than or equal to 60 ℃, the air compression pump (6) introduces cooled compressed air into the hub (2) by adopting a first pressure value; when the temperature collected by the temperature collector is between 60 and 110 ℃, the air compression pump (6) introduces cooled compressed air into the hub (2) by adopting a second pressure value; when the temperature collected by the temperature collector is higher than or equal to 110 ℃, the air compression pump (6) introduces cooled compressed air into the wheel hub (2) by adopting a second pressure value and discharges high-pressure cooling gas stored in the gas storage tank (3); the first pressure value is less than or equal to the second pressure value.
7. A method of dissipating heat from a drum brake according to claim 1, wherein: the temperature collector adopts a temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011213177.1A CN112360906A (en) | 2020-11-04 | 2020-11-04 | Heat dissipation method of drum brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011213177.1A CN112360906A (en) | 2020-11-04 | 2020-11-04 | Heat dissipation method of drum brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112360906A true CN112360906A (en) | 2021-02-12 |
Family
ID=74513454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011213177.1A Pending CN112360906A (en) | 2020-11-04 | 2020-11-04 | Heat dissipation method of drum brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112360906A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114046324A (en) * | 2021-11-19 | 2022-02-15 | 广州市特耐得车轴有限公司 | Intelligent control axle temperature control device and control method thereof |
| CN114046324B (en) * | 2021-11-19 | 2024-05-28 | 广州市特耐得车轴有限公司 | Intelligent control axle temperature control device and control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980046558A (en) * | 1996-12-12 | 1998-09-15 | 박병재 | Wheel Brake Drum Chiller |
| KR100264572B1 (en) * | 1995-12-28 | 2000-09-01 | 정몽규 | Brake drum cooling system |
| CN202528963U (en) * | 2012-04-27 | 2012-11-14 | 河北科技师范学院 | Forced air cooling system for automobile brake |
| CN203051575U (en) * | 2012-12-13 | 2013-07-10 | 海安县兰菱机电设备有限公司 | Water cooling structure of magnetic powder brake |
| CN205207502U (en) * | 2015-11-30 | 2016-05-04 | 成都九十度工业产品设计有限公司 | Forced air cooling drum -type tramcar brake |
| DE102017107747A1 (en) * | 2016-04-15 | 2017-10-19 | GM Global Technology Operations LLC | ACTIVE AIRFLOW DEFLECTOR FOR BRAKE COOLING |
| CN109476328A (en) * | 2016-08-11 | 2019-03-15 | 大陆-特韦斯股份有限公司 | Differential mechanism with brake apparatus |
| CN109863326A (en) * | 2016-09-16 | 2019-06-07 | 塞夫霍兰德有限公司 | Brake apparatus and method for operating brake drum |
| CN210502641U (en) * | 2019-07-01 | 2020-05-12 | 芜湖荣生机械有限公司 | Brake pad with cooling function |
| CN210661123U (en) * | 2019-07-12 | 2020-06-02 | 湖北金麟机械制造有限公司 | Heat dissipation type brake drum |
| CN210734489U (en) * | 2016-11-09 | 2020-06-12 | K·F·迈内尔·齐斯曼 | Brake cooling system for aircraft and crossover tool for valve |
-
2020
- 2020-11-04 CN CN202011213177.1A patent/CN112360906A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100264572B1 (en) * | 1995-12-28 | 2000-09-01 | 정몽규 | Brake drum cooling system |
| KR19980046558A (en) * | 1996-12-12 | 1998-09-15 | 박병재 | Wheel Brake Drum Chiller |
| CN202528963U (en) * | 2012-04-27 | 2012-11-14 | 河北科技师范学院 | Forced air cooling system for automobile brake |
| CN203051575U (en) * | 2012-12-13 | 2013-07-10 | 海安县兰菱机电设备有限公司 | Water cooling structure of magnetic powder brake |
| CN205207502U (en) * | 2015-11-30 | 2016-05-04 | 成都九十度工业产品设计有限公司 | Forced air cooling drum -type tramcar brake |
| DE102017107747A1 (en) * | 2016-04-15 | 2017-10-19 | GM Global Technology Operations LLC | ACTIVE AIRFLOW DEFLECTOR FOR BRAKE COOLING |
| CN109476328A (en) * | 2016-08-11 | 2019-03-15 | 大陆-特韦斯股份有限公司 | Differential mechanism with brake apparatus |
| CN109863326A (en) * | 2016-09-16 | 2019-06-07 | 塞夫霍兰德有限公司 | Brake apparatus and method for operating brake drum |
| CN210734489U (en) * | 2016-11-09 | 2020-06-12 | K·F·迈内尔·齐斯曼 | Brake cooling system for aircraft and crossover tool for valve |
| CN210502641U (en) * | 2019-07-01 | 2020-05-12 | 芜湖荣生机械有限公司 | Brake pad with cooling function |
| CN210661123U (en) * | 2019-07-12 | 2020-06-02 | 湖北金麟机械制造有限公司 | Heat dissipation type brake drum |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114046324A (en) * | 2021-11-19 | 2022-02-15 | 广州市特耐得车轴有限公司 | Intelligent control axle temperature control device and control method thereof |
| CN114046324B (en) * | 2021-11-19 | 2024-05-28 | 广州市特耐得车轴有限公司 | Intelligent control axle temperature control device and control method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210212 |
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| RJ01 | Rejection of invention patent application after publication |