CN112758061A - Cooling device for brake part of liquid carbon dioxide transportation tank car - Google Patents
Cooling device for brake part of liquid carbon dioxide transportation tank car Download PDFInfo
- Publication number
- CN112758061A CN112758061A CN201911064699.7A CN201911064699A CN112758061A CN 112758061 A CN112758061 A CN 112758061A CN 201911064699 A CN201911064699 A CN 201911064699A CN 112758061 A CN112758061 A CN 112758061A
- Authority
- CN
- China
- Prior art keywords
- carbon dioxide
- dioxide gas
- main pipe
- gas main
- communicated
- 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
Links
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 142
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 71
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 71
- 239000007788 liquid Substances 0.000 title claims abstract description 19
- 238000001816 cooling Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 35
- 230000017525 heat dissipation Effects 0.000 description 4
- 101100494448 Caenorhabditis elegans cab-1 gene Proteins 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
- B60T5/00—Vehicle modifications to facilitate cooling of 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
- F16D65/78—Features relating to cooling
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
Abstract
A cooling device for a brake component of a liquid carbon dioxide transportation tank car is characterized in that one end of a first carbon dioxide gas main pipe is communicated with the top space of a tank car body, and the other end of the first carbon dioxide gas main pipe is communicated with an inlet of an electromagnetic valve; a shut-off valve and a pressure reducing valve are installed on the first carbon dioxide gas main pipe, the pressure reducing valve being on an outlet side of the shut-off valve; one end of a second carbon dioxide gas main pipe is communicated with an outlet of the electromagnetic valve, the other end of the second carbon dioxide gas main pipe and a position which is separated from the end by a certain distance are communicated with one ends of a plurality of carbon dioxide gas branch pipes, and the other ends of the plurality of carbon dioxide gas branch pipes hermetically penetrate through the side wall of the brake drum of the corresponding wheel and are aligned with the inner wall of the brake drum of the corresponding wheel and the brake pad; the electromagnetic valve is electrically connected with an electric switch of an electric control box. The device reduces the weight of the whole vehicle, simplifies the structure, and is a valuable utilization of carbon dioxide gas which must be wasted and discharged, and prolongs the service life of the brake drum and the brake pad.
Description
Technical Field
The invention relates to cooling of a motor vehicle brake component, in particular to a cooling device of a liquid carbon dioxide transportation tank car brake component.
Background
CN 110107626A discloses a heavy transport vehicle brake device convenient for heat dissipation, which comprises a rotary brake drum (1) and a water tank (2) of a vehicle, wherein the side wall (4) of the brake drum (1) is cylindrical, a shaft hole is formed in the center of the brake drum end face (3) of the brake drum (1), the side wall (4) of the brake drum and the brake drum end face (3) are integrally arranged, the side wall (4) of the brake drum is of a hollow structure, and the mesoporous structure forms a cooling cavity (5); a water distribution pipe (7) is fixed on the inner wall of the side wall (4) of the brake drum, the inner cavity of the water distribution pipe (7) is communicated with the cooling cavity (5), a water distribution head (8) is fixed at the other end of the water distribution pipe (7), a hollow inner cavity for water flow to pass through is arranged in the water distribution head (8), and the inner cavity of the water distribution pipe (7) is communicated with the inner cavity of the water distribution head (8); a water inlet pipe (9) is connected in an inner cavity of the water distribution head (8) through a rotary mechanical seal, and the water inlet pipe (9) is positioned at the rotating center of the brake drum (1); the other end of the water inlet pipe (9) is fixedly connected with the outer wall of the water tank (2), and the inner cavity of the water inlet pipe (9) is communicated with the inner cavity of the water tank (2); a water collecting ring (10) is arranged outside the brake drum (1), the water collecting ring (10) is a circular square tube, the inner wall of the water collecting ring (10) is connected with the outer wall of the side wall (4) of the brake drum in a rotary mechanical seal mode, and the side wall (4) of the brake drum can rotate relative to the water collecting ring (10) under the action of external force; an annular gap is formed in the inner wall of the water collecting ring (10), and a water outlet hole (11) corresponding to the annular gap is formed in the cooling cavity (5); the water collecting device is characterized in that a water outlet pipe (12) is fixed on the outer wall of the water collecting ring (10), the inner cavity of the water collecting ring (10) is communicated with the inner cavity of the water outlet pipe (12), the other end of the water outlet pipe (12) is fixedly connected with the outer wall of the water tank (2), and the inner cavity of the water outlet pipe (12) is communicated with the inner cavity of the water tank (2). The brake device of the heavy transport vehicle convenient for heat dissipation needs to be provided with a brake water tank, so that the overall weight of the heavy transport vehicle is increased; the heavy transport vehicle brake device convenient for heat dissipation has parts such as a water collecting ring and a rotary mechanical seal, and is relatively complex in structure.
The internal splendid attire of liquid carbon dioxide transportation tank wagon jar has a large amount of low temperature liquid carbon dioxide, and in the transportation, the internal low temperature liquid carbon dioxide of jar absorbs the heat that external radiation comes from the tank wall, and partial low temperature liquid carbon dioxide absorbs heat evaporation becomes carbon dioxide gas, gathers at the internal headspace of jar, leads to internal pressure of jar to rise, for avoiding jar body relief valve take off, tank car driver will open jar body pressure relief valve, will gather the carbon dioxide gas of gathering in the headspace and slowly discharge, cause carbon dioxide gas's waste.
Disclosure of Invention
The invention provides a cooling device for a brake part of a liquid carbon dioxide transportation tank car.
The invention relates to a cooling device for a brake part of a liquid carbon dioxide transportation tank car, which is provided with a first carbon dioxide gas main pipe, a second carbon dioxide gas main pipe, a plurality of carbon dioxide gas branch pipes, a stop valve, a pressure reducing valve and an electromagnetic valve;
one end of the first carbon dioxide gas main pipe is communicated with the top space of a tank body of a tank car, and the other end of the first carbon dioxide gas main pipe is communicated with an inlet of the electromagnetic valve;
the stop valve and the pressure reducing valve are mounted on the first carbon dioxide gas main pipe, and the pressure reducing valve is arranged on the outlet side of the stop valve;
one end of the second carbon dioxide gas main pipe is communicated with an outlet of the electromagnetic valve, the other end of the second carbon dioxide gas main pipe and a position which is separated from the end by a certain distance are communicated with one ends of the plurality of carbon dioxide gas branch pipes, and the other ends of the plurality of carbon dioxide gas branch pipes hermetically penetrate through the side wall of the brake drum of the corresponding wheel and are aligned with the inner wall of the brake drum of the corresponding wheel and the brake pad;
the electromagnetic valve is electrically connected with an electric switch of an electric control box.
Compared with the existing heavy transport vehicle brake device convenient for heat dissipation, the cooling device for the brake part of the liquid carbon dioxide transport tank car cancels the brake water tank, and reduces the weight of the whole car; parts such as a water collecting ring, a rotary mechanical seal and the like are not used, so that the structure is simplified; the carbon dioxide gas accumulated in the top space in the tank body is used as a coolant for the inner wall of the brake drum and the brake pad, so that the carbon dioxide gas which is wasted and discharged originally to avoid the jump of the safety valve of the tank body is utilized valuably; the carbon dioxide gas entering the brake drum isolates the inner wall of the brake drum and the brake pad from air, can prevent the inner wall of the brake drum and the brake pad from being oxidized and rusted, and can prolong the service life of the brake drum and the brake pad.
Drawings
FIG. 1 is a schematic diagram showing the construction of a cooling device for a brake part of a liquid carbon dioxide transportation tank car according to the present invention.
Detailed Description
The features and advantages of the cooling device for the brake component of the liquid carbon dioxide transportation tank car according to the present invention will be more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings.
Referring to fig. 1, a tank body 2 of a tank car containing a large amount of low-temperature liquid carbon dioxide is fixedly installed on a chassis 10 of a transportation tank car, and a cab 1 is also fixedly installed on the chassis 10.
The cooling device 100 for the brake component of the liquid carbon dioxide transportation tank car of the invention is provided with a first carbon dioxide gas main pipe 3, a second carbon dioxide gas main pipe 4, a plurality of carbon dioxide gas branch pipes 5, a stop valve 31, a pressure reducing valve 32 and an electromagnetic valve 5.
One end of the first carbon dioxide gas main pipe 3 is communicated with the top space of the tank car body 2, and the other end of the first carbon dioxide gas main pipe 3 is communicated with the inlet of the electromagnetic valve 5.
A shutoff valve 31 and a pressure reducing valve 32 are installed on the first carbon dioxide gas header 3, the pressure reducing valve 32 being on the outlet side of the shutoff valve 31.
One end of the second carbon dioxide gas main pipe 4 is communicated with an outlet of the electromagnetic valve 5, the other end of the second carbon dioxide gas main pipe 4 and a position spaced from the end by a certain distance are communicated with one ends of the plurality of carbon dioxide gas branch pipes 5, and the other ends of the plurality of carbon dioxide gas branch pipes 5 hermetically penetrate through the side wall of the brake drum 6 of the corresponding wheel and are aligned with the inner wall of the brake drum 6 of the corresponding wheel and the brake pad.
The solenoid valve 5 is electrically connected to an electric switch of an electric control box 8, and the control box 8 is located in the cab 1.
The operation of the cooling device 100 for the brake part of the liquid carbon dioxide transportation tank car of the present invention is as follows:
before the liquid carbon dioxide transport tank truck of the present invention is operated, the shutoff valve 31 and the pressure reducing valve 32 are opened, and the pressure reduced by the pressure reducing valve 32 is set.
After the liquid carbon dioxide transportation tank car is started, an electric switch on a control box 8 is pressed, an electromagnetic valve 5 is opened, at the moment, high-pressure low-temperature carbon dioxide gas accumulated in a top space in a tank body 2 of the tank car is reduced in pressure when flowing through a pressure reducing valve 32 on a first carbon dioxide gas main pipe 3, the high-pressure low-temperature carbon dioxide gas is changed into low-pressure low-temperature carbon dioxide gas, the low-pressure low-temperature carbon dioxide gas enters a second carbon dioxide gas main pipe 4 through the electromagnetic valve 5 and then enters a brake drum 6 of a corresponding wheel through a plurality of carbon dioxide gas branch pipes 5, and the low-pressure low-temperature carbon dioxide gas is sprayed to the inner wall.
Claims (1)
1. A cooling device for a brake component of a liquid carbon dioxide transportation tank car is provided with a first carbon dioxide gas main pipe, a second carbon dioxide gas main pipe, a plurality of carbon dioxide gas branch pipes, a stop valve, a pressure reducing valve and an electromagnetic valve;
one end of the first carbon dioxide gas main pipe is communicated with the top space of a tank body of a tank car, and the other end of the first carbon dioxide gas main pipe is communicated with an inlet of the electromagnetic valve;
the stop valve and the pressure reducing valve are mounted on the first carbon dioxide gas main pipe, and the pressure reducing valve is arranged on the outlet side of the stop valve;
one end of the second carbon dioxide gas main pipe is communicated with an outlet of the electromagnetic valve, the other end of the second carbon dioxide gas main pipe and a position which is separated from the end by a certain distance are communicated with one ends of the plurality of carbon dioxide gas branch pipes, and the other ends of the plurality of carbon dioxide gas branch pipes hermetically penetrate through the side wall of the brake drum of the corresponding wheel and are aligned with the inner wall of the brake drum of the corresponding wheel and the brake pad;
the electromagnetic valve is electrically connected with an electric switch of an electric control box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911064699.7A CN112758061A (en) | 2019-11-05 | 2019-11-05 | Cooling device for brake part of liquid carbon dioxide transportation tank car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911064699.7A CN112758061A (en) | 2019-11-05 | 2019-11-05 | Cooling device for brake part of liquid carbon dioxide transportation tank car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112758061A true CN112758061A (en) | 2021-05-07 |
Family
ID=75692369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911064699.7A Pending CN112758061A (en) | 2019-11-05 | 2019-11-05 | Cooling device for brake part of liquid carbon dioxide transportation tank car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112758061A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3403530A (en) * | 1966-10-18 | 1968-10-01 | Colonial Sugar Refining Co | Liquid carbon dioxide refrigeration |
| JPH07222785A (en) * | 1994-02-08 | 1995-08-22 | Mitsubishi Rayon Co Ltd | Method for improving blood circulation and device therefor |
| KR970046089A (en) * | 1995-12-28 | 1997-07-26 | 전성원 | Brake drum chiller of automobile |
| KR19980049074A (en) * | 1996-12-19 | 1998-09-15 | 박병재 | Cooling device of commercial vehicle brake |
| US20040154315A1 (en) * | 2003-02-10 | 2004-08-12 | Bernert Robert E. | Method for vaporizing and heating compressed liquefied gases |
| RU2430328C1 (en) * | 2010-05-07 | 2011-09-27 | Виктор Михайлович Чудаков | Method of decreasing thermal visibility of combat wheeled vehicle wheeled running gear |
| CN203142648U (en) * | 2013-01-26 | 2013-08-21 | 刘云 | Vehicle brake cooling deivce |
| KR20160051337A (en) * | 2014-11-03 | 2016-05-11 | 오일신 | Apparatus for anti-freezing and cooling parts of vehicle |
| US20170191541A1 (en) * | 2015-12-31 | 2017-07-06 | Ray Fleet | Truck brake cooling system |
| CN211567913U (en) * | 2019-11-05 | 2020-09-25 | 安庆凯美特气体有限公司 | Cooling device for brake part of liquid carbon dioxide transportation tank car |
-
2019
- 2019-11-05 CN CN201911064699.7A patent/CN112758061A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3403530A (en) * | 1966-10-18 | 1968-10-01 | Colonial Sugar Refining Co | Liquid carbon dioxide refrigeration |
| JPH07222785A (en) * | 1994-02-08 | 1995-08-22 | Mitsubishi Rayon Co Ltd | Method for improving blood circulation and device therefor |
| KR970046089A (en) * | 1995-12-28 | 1997-07-26 | 전성원 | Brake drum chiller of automobile |
| KR19980049074A (en) * | 1996-12-19 | 1998-09-15 | 박병재 | Cooling device of commercial vehicle brake |
| US20040154315A1 (en) * | 2003-02-10 | 2004-08-12 | Bernert Robert E. | Method for vaporizing and heating compressed liquefied gases |
| RU2430328C1 (en) * | 2010-05-07 | 2011-09-27 | Виктор Михайлович Чудаков | Method of decreasing thermal visibility of combat wheeled vehicle wheeled running gear |
| CN203142648U (en) * | 2013-01-26 | 2013-08-21 | 刘云 | Vehicle brake cooling deivce |
| KR20160051337A (en) * | 2014-11-03 | 2016-05-11 | 오일신 | Apparatus for anti-freezing and cooling parts of vehicle |
| US20170191541A1 (en) * | 2015-12-31 | 2017-07-06 | Ray Fleet | Truck brake cooling system |
| CN211567913U (en) * | 2019-11-05 | 2020-09-25 | 安庆凯美特气体有限公司 | Cooling device for brake part of liquid carbon dioxide transportation tank car |
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