CN113002513A - Gas brake system for loader and method for controlling gas temperature by using same - Google Patents

Gas brake system for loader and method for controlling gas temperature by using same Download PDF

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Publication number
CN113002513A
CN113002513A CN202110494100.4A CN202110494100A CN113002513A CN 113002513 A CN113002513 A CN 113002513A CN 202110494100 A CN202110494100 A CN 202110494100A CN 113002513 A CN113002513 A CN 113002513A
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Prior art keywords
gas
brake
temperature
temperature sensor
pipe
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CN113002513B (en
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赵斌
王洪云
胡月平
蒙小行
宋赛
刘虹
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Lovol Heavy Industry Group Co ltd
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LOVOL Engineering Machinery Group Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T17/00Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/002Air treatment devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T13/00Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/24Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
    • B60T13/26Compressed-air systems

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)

Abstract

The invention discloses a gas braking system for a loader, which comprises: a gas delivery unit; a gas distribution unit: the air distribution unit is connected with the air compressor through a pipeline; a temperature data acquisition unit: includes an inlet temperature sensor; a controller: the temperature data acquisition unit is in communication connection with the gas distribution unit; a gas temperature control unit: comprises a heating pipe. The method for controlling the gas temperature by using the system comprises the following steps: step 1: the air compressor compresses air to the pressure required by braking; step 2: an inlet temperature sensor collects the temperature of the brake gas; and step 3: the controller judges whether the temperature is less than 30 ℃; and 4, step 4: if the temperature data of the brake gas is less than 30 ℃, the controller controls the gas distribution unit to act, so that the brake gas enters the heating pipe; and 5: the heating pipe heats brake gas, and this scheme of utilization can make the vehicle in the operation of high and cold high altitude area, utilizes the heating pipe to heat brake gas, avoids the moisture supercooling in the brake pipe to freeze.

Description

Gas brake system for loader and method for controlling gas temperature by using same
Technical Field
The invention relates to a gas braking system for a loader and a method for controlling gas temperature by using the same.
Background
The engineering vehicle braking basically adopts pneumatic braking, and the working process is that air is compressed into high-pressure gas by an air compressor (hereinafter referred to as an air compressor), the brake is pushed by the high-pressure gas to brake the whole vehicle, and specifically referring to the attached drawing 5, after the air is compressed into high-temperature high-pressure air by the air compressor, the high-temperature high-pressure air is fully radiated by a radiating pipe (generally a copper pipe or an aluminum pipe), and then the high-temperature high-pressure air is converted into normal-temperature high-pressure brake gas, and.
In the prior art, when a vehicle brakes, air is compressed into high-temperature and high-pressure brake gas through an air compressor, the brake gas is converted into normal-temperature and high-pressure gas through a radiating pipe, the high-pressure gas is conveyed to a brake through a high-pressure resistant rubber pipe, and after the brake is implemented, the speed of the vehicle is reduced until the vehicle stops. Braking is an important function of the vehicle, so the reliability of each element is of utmost importance. Each part in the braking system must maintain long-term reliability to meet the reliability of the whole braking.
The prior art has the following disadvantages: when the vehicle was in normal operating environment, braking system operating condition was good, but in some severe cold high altitude area, because of vehicle operation ambient temperature is lower, the high temperature high-pressure gas through the air compressor machine becomes low temperature high-pressure gas in the twinkling of an eye when passing through the cooling tube, leads to the moisture in the compressed air to freeze instantaneously, blocks up the pipeline and leads to the braking inefficacy.
Disclosure of Invention
The invention aims to solve the technical problem that a brake pipeline is easy to freeze when a vehicle brake system is in a high-cold high-altitude area.
In order to achieve the above object, the present invention discloses a gas brake system for a loader, comprising:
a gas transmission unit: comprises an air compressor for compressing air;
a gas distribution unit: the air distribution unit is connected with an air compressor through a pipeline;
a temperature data acquisition unit: the temperature sensor is arranged in a connecting pipeline between the gas transmission unit and the gas distribution unit;
a controller: the temperature data acquisition unit is in communication connection with the gas distribution unit;
a gas temperature control unit: the device comprises a heating pipe, wherein the front end of the heating pipe is connected with a gas distribution unit through a pipeline, and the rear end of the heating pipe is connected with a brake control valve through a pipeline.
The scheme can realize normal braking of the vehicle in a low-temperature environment by adding the air distribution unit, the temperature data acquisition unit and the air temperature control unit. When the inlet temperature sensor detects the temperature of the brake gas, the gas distribution unit is controlled to act (namely, when the temperature of the working environment is lower, the temperature of the brake gas collected by the inlet temperature sensor is lower, the gas distribution unit is controlled to convey the low-temperature high-pressure brake gas into the heating pipe for heating, and the phenomenon that the whole vehicle brake fails due to the fact that the pipeline is frozen due to supercooling of the moisture in the brake gas is avoided).
The structure of the air distribution unit comprises an electromagnetic reversing valve which is a three-way valve. The electromagnetic directional valve is provided with an air inlet and two air outlets, wherein one air inlet is connected with the air compressor, and the two air outlets are respectively connected with the heating pipe and the radiating pipe.
Regarding the concrete structure of gaseous temperature control unit, gaseous temperature control unit still includes the cooling tube, and the front end between them of cooling tube and heating pipe is respectively through pipe connection solenoid directional valve, through pipe connection brake control valve after the rear end confluence between them of cooling tube and heating pipe, brake control valve passes through the pipe connection stopper. Utilize the cooling tube can dispel the heat to high-temperature gas, avoid the gaseous brake pipe that burns of high temperature braking, utilize the heating pipe can heat low-temperature gas, avoid the moisture in the low-temperature brake gas to freeze in the brake pipe way.
In order to avoid overheating of the brake gas in the heating pipe, the temperature data acquisition unit also comprises an outlet temperature sensor which is installed in the connecting line between the brake control valve and the brake. The outlet temperature sensor is arranged at the position to detect the temperature of the brake gas at the position, and when the temperature of the brake gas is overheated due to the heating pipe, the reversing electromagnetic valve is adjusted in time to reduce the temperature of the brake gas.
In order to ensure the cleanness of the brake gas pipeline, the gas transmission unit also comprises an air filter, and the air filter is connected with the gas inlet end of the air compressor through a pipeline. Utilize air cleaner to filter the air, block dust particle outside the air compressor machine.
A method of controlling the temperature of a gas, comprising the steps of:
step 1: the air compressor compresses air to the pressure required by braking, and then the braking gas with sufficient pressure is conveyed to the gas distribution unit;
step 2: an inlet temperature sensor positioned in a connecting pipeline between the air compressor and the air distribution unit collects the temperature of the brake gas at the inlet temperature sensor and transmits temperature data to the controller;
and step 3: the controller receives brake gas temperature data acquired by the inlet temperature sensor and judges whether the temperature is less than 30 ℃;
and 4, step 4: if the temperature data of the brake gas collected by the inlet temperature sensor is less than 30 ℃, the controller sends a control signal to the gas distribution unit to control the gas distribution unit to act, so that the brake gas completely enters the heating pipe;
and 5: the heating pipe heats the brake gas therein, and then delivers the brake gas to the brake control valve.
When the temperature of the working environment is low, the temperature of the brake gas collected by the inlet temperature sensor is low, the gas distribution unit is controlled to convey the low-temperature high-pressure brake gas to the heating pipe for heating, and the phenomenon that the pipeline is frozen due to supercooling of water in the brake gas and the whole vehicle brake fails is avoided.
In order to ensure the cleaning of the brake gas pipeline, the method further comprises the following steps in step 1: the air enters the air compressor after being filtered by the air filter.
In order to prevent the brake pipe from being burnt by the high-temperature and high-pressure brake gas, the method further comprises the following steps in step 3: the controller receives brake gas temperature data collected by the inlet temperature sensor and judges whether the data is greater than 100 ℃;
if the temperature data of the brake gas collected by the inlet temperature sensor is more than 100 ℃, the controller sends a control signal to the electromagnetic directional valve to control the electromagnetic directional valve to act, so that the brake gas completely enters the radiating pipe.
In order to avoid the low temperature of the high-temperature brake gas in the heat dissipation pipeline after the heat dissipation treatment, the method further comprises the following steps in step 3: an outlet temperature sensor positioned in a pipeline connecting the brake control valve and the brake collects brake gas temperature data at the outlet temperature sensor and transmits the temperature data to the controller;
the controller receives brake gas temperature data collected by the outlet temperature sensor and judges whether the data is less than 0 ℃;
if the temperature data of the brake gas collected by the outlet temperature sensor is less than 0 ℃, the controller sends a control signal to the electromagnetic directional valve to control the electromagnetic directional valve to act, so that the brake gas enters the heating pipe according to a certain proportion.
In order to prolong the service life of the brake equipment and ensure that the temperature of the brake gas is always at an appropriate temperature, the method further comprises the following steps in step 3: the controller receives brake gas temperature data collected by the inlet temperature sensor and judges whether the data is more than 30 ℃ and less than 100 ℃;
if the temperature data of the brake gas collected by the inlet temperature sensor is more than 30 ℃ and less than 100 ℃, the controller sends a control signal to the electromagnetic directional valve to control the electromagnetic directional valve to act, so that the brake gas respectively enters the heating pipe and the radiating pipe according to a certain proportion.
In conclusion, the beneficial effects of the invention are as follows: by the aid of the scheme, the vehicle can work in high-cold high-altitude areas, when the temperature of the brake gas is low, the brake gas is heated by the heating pipe, and the situation that the brake fails due to blockage of a pipeline caused by supercooling and freezing of water in the brake gas when the vehicle works in the high-cold environment is avoided; when the temperature of the brake gas is higher, the high-temperature brake gas is radiated by the radiating pipe, so that the brake pipeline is prevented from being burnt by the high-temperature brake gas.
Drawings
FIG. 1 is a flow chart for controlling a thermal system;
fig. 2 is a schematic structural view of a control heating system in which brake gas is in a low temperature state;
FIG. 3 is a schematic diagram of the thermal control system at a brake gas temperature of 30 deg.C-100 deg.C;
fig. 4 is a schematic structural view of a control heating system in which brake gas is in a high temperature state;
fig. 5 is a schematic diagram of the prior art.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The following is a description of preferred embodiments of the present invention with reference to the accompanying drawings.
A gas braking system for a loader, comprising:
a gas transmission unit: comprises an air compressor for compressing air;
a gas distribution unit: the air distribution unit is connected with an air compressor through a pipeline;
a temperature data acquisition unit: the temperature sensor is arranged in a connecting pipeline between the gas transmission unit and the gas distribution unit;
a controller: the temperature data acquisition unit is in communication connection with the gas distribution unit;
a gas temperature control unit: the device comprises a heating pipe, wherein the front end of the heating pipe is connected with a gas distribution unit through a pipeline, and the rear end of the heating pipe is connected with a brake control valve through a pipeline.
The scheme can realize normal braking of the vehicle in a low-temperature environment by adding the air distribution unit, the temperature data acquisition unit and the air temperature control unit. When the inlet temperature sensor detects the temperature of the brake gas, the gas distribution unit is controlled to act (namely, when the temperature of the working environment is lower, the temperature of the brake gas collected by the inlet temperature sensor is lower, the gas distribution unit is controlled to convey the low-temperature high-pressure brake gas into the heating pipe for heating, and the phenomenon that the whole vehicle brake fails due to the fact that the pipeline is frozen due to supercooling of the moisture in the brake gas is avoided).
The structure of the air distribution unit comprises an electromagnetic reversing valve which is a three-way valve. The electromagnetic directional valve is provided with an air inlet and two air outlets, wherein one air inlet is connected with the air compressor, and the two air outlets are respectively connected with the heating pipe and the radiating pipe.
Regarding the second embodiment of the gas temperature control unit, the gas temperature control unit further comprises a heat dissipation pipe, the front ends of the heat dissipation pipe and the heat dissipation pipe are respectively connected with the electromagnetic directional valve through a pipeline, the rear ends of the heat dissipation pipe and the heat dissipation pipe are converged and then connected with the brake control valve through a pipeline, and the brake control valve is connected with the brake through a pipeline. Utilize the cooling tube can dispel the heat to high-temperature gas, avoid the gaseous brake pipe that burns of high temperature braking, utilize the heating pipe can heat low-temperature gas, avoid the moisture in the low-temperature brake gas to freeze in the brake pipe way.
In a first embodiment of the gas temperature control unit, the gas temperature control unit comprises a heating pipe, the front end of the heating pipe is connected with the electromagnetic directional valve, and the rear end of the heating pipe is connected with the brake control valve.
In order to avoid overheating of the brake gas in the heating pipe, the temperature data acquisition unit also comprises an outlet temperature sensor which is installed in the connecting line between the brake control valve and the brake. The outlet temperature sensor is arranged at the position to detect the temperature of the brake gas at the position, and when the temperature of the brake gas is overheated due to the heating pipe, the reversing electromagnetic valve is adjusted in time to reduce the temperature of the brake gas.
In order to ensure the cleanness of the brake gas pipeline, the gas transmission unit also comprises an air filter, and the air filter is connected with the gas inlet end of the air compressor through a pipeline. Utilize air cleaner to filter the air, block dust particle outside the air compressor machine.
A method of controlling the temperature of a gas, comprising the steps of:
step 1: the air compressor compresses air to the pressure required by braking, and then the braking gas with sufficient pressure is conveyed to the gas distribution unit;
step 2: an inlet temperature sensor positioned in a connecting pipeline between the air compressor and the air distribution unit collects the temperature of the brake gas at the inlet temperature sensor and transmits temperature data to the controller;
and step 3: the controller receives brake gas temperature data acquired by the inlet temperature sensor and judges whether the temperature is less than 30 ℃;
and 4, step 4: if the temperature data of the brake gas collected by the inlet temperature sensor is less than 30 ℃, the controller sends a control signal to the gas distribution unit to control the gas distribution unit to act, so that the brake gas completely enters the heating pipe;
and 5: the heating pipe heats the brake gas therein, and then delivers the brake gas to the brake control valve.
When the temperature of the working environment is low, the temperature of the brake gas collected by the inlet temperature sensor is low, the gas distribution unit is controlled to convey the low-temperature high-pressure brake gas to the heating pipe for heating, and the phenomenon that the pipeline is frozen due to supercooling of water in the brake gas and the whole vehicle brake fails is avoided.
In order to ensure the cleaning of the brake gas pipeline, the method further comprises the following steps in step 1: the air enters the air compressor after being filtered by the air filter.
In order to prevent the brake pipe from being burnt by the high-temperature and high-pressure brake gas, the method further comprises the following steps in step 3: the controller receives brake gas temperature data collected by the inlet temperature sensor and judges whether the data is greater than 100 ℃;
if the temperature data of the brake gas collected by the inlet temperature sensor is more than 100 ℃, the controller sends a control signal to the electromagnetic directional valve to control the electromagnetic directional valve to act, so that the brake gas completely enters the radiating pipe.
In order to avoid the low temperature of the high-temperature brake gas in the heat dissipation pipeline after the heat dissipation treatment, the method further comprises the following steps in step 3: an outlet temperature sensor positioned in a pipeline connecting the brake control valve and the brake collects brake gas temperature data at the outlet temperature sensor and transmits the temperature data to the controller;
the controller receives brake gas temperature data collected by the outlet temperature sensor and judges whether the data is less than 0 ℃;
if the temperature data of the brake gas collected by the outlet temperature sensor is less than 0 ℃, the controller sends a control signal to the electromagnetic directional valve to control the electromagnetic directional valve to act, so that the brake gas enters the heating pipe according to a certain proportion.
In order to prolong the service life of the brake equipment and ensure that the temperature of the brake gas is always at an appropriate temperature, the method further comprises the following steps in step 3: the controller receives brake gas temperature data collected by the inlet temperature sensor and judges whether the data is more than 30 ℃ and less than 100 ℃;
if the temperature data of the brake gas collected by the inlet temperature sensor is more than 30 ℃ and less than 100 ℃, the controller sends a control signal to the electromagnetic directional valve to control the electromagnetic directional valve to act, so that the brake gas respectively enters the heating pipe and the radiating pipe according to a certain proportion.
The control thermal system has three operating states:
the first state: referring to the attached figure 2, the air compressor outputs high-pressure high-temperature gas, the gas temperature is detected by the inlet temperature sensor and is sent to the controller, the controller outputs current signals (when the gas temperature is below 30 ℃) to control the electromagnetic directional valve, the high-pressure gas completely passes through the heating pipe and enters the brake control valve, and the outlet temperature sensor does not work in the state.
And a second state: referring to the attached figure 3, the air compressor outputs high-pressure high-temperature gas, the gas temperature is detected by the inlet temperature sensor and the signal is sent to the controller, when the gas temperature is 30-100 ℃, the controller outputs a current signal to control the electromagnetic directional valve, the high-pressure gas is divided into two paths, one path passes through the radiating pipe, the other path passes through the heating pipe, the gas passes through the brake control valve after confluence, the gas specifically passes through the actual proportion of the radiating pipe and the heating pipe, and the specific temperature value acquired by the outlet gas temperature sensor is realized by the proportional adjustment of the controller on the electromagnetic directional valve.
And a third state: referring to fig. 4, the air compressor outputs high-pressure high-temperature gas, the gas temperature is detected by the inlet temperature sensor and the signal is sent to the controller, the controller outputs current signals to control the electromagnetic directional valve (when the gas temperature is above 100 ℃), all the high-pressure gas enters the brake control valve through the radiating pipe, (at this time, the outlet temperature sensor collects the gas temperature, and when the gas temperature is lower than 0 ℃, the controller controls the electromagnetic directional valve to forcibly heat the gas).
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (10)

1. A gas brake system for a loader, comprising:
a gas transmission unit: comprises an air compressor for compressing air;
a gas distribution unit: the air distribution unit is connected with an air compressor through a pipeline;
a temperature data acquisition unit: the temperature sensor is arranged in a connecting pipeline between the gas transmission unit and the gas distribution unit;
a controller: the temperature data acquisition unit is in communication connection with the gas distribution unit;
a gas temperature control unit: the device comprises a heating pipe, wherein the front end of the heating pipe is connected with a gas distribution unit through a pipeline, and the rear end of the heating pipe is connected with a brake control valve through a pipeline.
2. A gas brake system for a loader as set forth in claim 1, wherein said gas distribution unit includes a solenoid directional valve, and the solenoid directional valve is a three-way valve.
3. The gas brake system for a loader of claim 2, wherein the gas temperature control unit further comprises a heat radiating pipe, front ends of both the heat radiating pipe and the heat radiating pipe are respectively connected to the electromagnetic directional valve through a pipe, rear ends of both the heat radiating pipe and the heat radiating pipe are merged and then connected to the brake control valve through a pipe, and the brake control valve is connected to the brake through a pipe.
4. A gas brake system for a loader as set forth in claim 3, wherein said temperature data acquisition unit further comprises an outlet temperature sensor installed in a connection pipe between the brake control valve and the brake.
5. The gas brake system for a loader of claim 1, wherein said gas delivery unit further comprises an air filter connected to an air inlet end of the air compressor through a pipe.
6. A method of controlling the temperature of a gas using the system of claim 1, comprising the steps of:
step 1: the air compressor compresses air to the pressure required by braking, and then the braking gas with sufficient pressure is conveyed to the gas distribution unit;
step 2: an inlet temperature sensor positioned in a connecting pipeline between the air compressor and the air distribution unit collects the temperature of the brake gas at the inlet temperature sensor and transmits temperature data to the controller;
and step 3: the controller receives brake gas temperature data acquired by the inlet temperature sensor and judges whether the temperature is less than 30 ℃;
and 4, step 4: if the temperature data of the brake gas collected by the inlet temperature sensor is less than 30 ℃, the controller sends a control signal to the gas distribution unit to control the gas distribution unit to act, so that the brake gas completely enters the heating pipe;
and 5: the heating pipe heats the brake gas therein, and then delivers the brake gas to the brake control valve.
7. The method for controlling the temperature of a gas according to claim 6, further comprising, in step 1: the air enters the air compressor after being filtered by the air filter.
8. The method for controlling the temperature of a gas according to claim 6, further comprising in step 3: the controller receives brake gas temperature data collected by the inlet temperature sensor and judges whether the data is greater than 100 ℃;
if the temperature data of the brake gas collected by the inlet temperature sensor is more than 100 ℃, the controller sends a control signal to the electromagnetic directional valve to control the electromagnetic directional valve to act, so that the brake gas completely enters the radiating pipe.
9. The method for controlling the temperature of a gas according to claim 8, further comprising in step 3: an outlet temperature sensor positioned in a pipeline connecting the brake control valve and the brake collects brake gas temperature data at the outlet temperature sensor and transmits the temperature data to the controller;
the controller receives brake gas temperature data collected by the outlet temperature sensor and judges whether the data is less than 0 ℃;
if the temperature data of the brake gas collected by the outlet temperature sensor is less than 0 ℃, the controller sends a control signal to the electromagnetic directional valve to control the electromagnetic directional valve to act, so that the brake gas enters the heating pipe according to a certain proportion.
10. The method for controlling the temperature of a gas according to claim 6, further comprising in step 3: the controller receives brake gas temperature data collected by the inlet temperature sensor and judges whether the data is more than 30 ℃ and less than 100 ℃;
if the temperature data of the brake gas collected by the inlet temperature sensor is more than 30 ℃ and less than 100 ℃, the controller sends a control signal to the electromagnetic directional valve to control the electromagnetic directional valve to act, so that the brake gas respectively enters the heating pipe and the radiating pipe according to a certain proportion.
CN202110494100.4A 2021-05-07 2021-05-07 Gas braking system for loader Active CN113002513B (en)

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Application Number Priority Date Filing Date Title
CN202110494100.4A CN113002513B (en) 2021-05-07 2021-05-07 Gas braking system for loader

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Application Number Priority Date Filing Date Title
CN202110494100.4A CN113002513B (en) 2021-05-07 2021-05-07 Gas braking system for loader

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CN113002513B CN113002513B (en) 2022-01-28

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113954805A (en) * 2021-11-13 2022-01-21 一汽解放汽车有限公司 Air brake system and vehicle
CN114407859A (en) * 2022-01-06 2022-04-29 一汽解放汽车有限公司 Brake pipeline control system and method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2473083Y (en) * 2001-03-06 2002-01-23 陈恒顺 Pneumatic brake protector
CN1544802A (en) * 2003-11-16 2004-11-10 罗显平 Method and equipment for reducing vehicle energy consumption
CN1970705A (en) * 2005-11-24 2007-05-30 黄冰 Automobile brake fluid and its preparing process
CN203793312U (en) * 2014-01-20 2014-08-27 陕西科技大学 Oversize automobile braking cooling device
CN104386057A (en) * 2014-11-25 2015-03-04 安徽安凯汽车股份有限公司 Passenger car braking pipeline system for cold region

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2473083Y (en) * 2001-03-06 2002-01-23 陈恒顺 Pneumatic brake protector
CN1544802A (en) * 2003-11-16 2004-11-10 罗显平 Method and equipment for reducing vehicle energy consumption
CN1970705A (en) * 2005-11-24 2007-05-30 黄冰 Automobile brake fluid and its preparing process
CN203793312U (en) * 2014-01-20 2014-08-27 陕西科技大学 Oversize automobile braking cooling device
CN104386057A (en) * 2014-11-25 2015-03-04 安徽安凯汽车股份有限公司 Passenger car braking pipeline system for cold region

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113954805A (en) * 2021-11-13 2022-01-21 一汽解放汽车有限公司 Air brake system and vehicle
CN114407859A (en) * 2022-01-06 2022-04-29 一汽解放汽车有限公司 Brake pipeline control system and method

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Address after: 266500 No. 75 East Huanghe Road, Huangdao District, Qingdao City, Shandong Province

Patentee after: Lovol Heavy Industry Group Co.,Ltd.

Address before: 266500 No. 75 East Huanghe Road, Huangdao District, Qingdao City, Shandong Province

Patentee before: LOVOL Engineering Machinery Group Co.,Ltd.

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