CN112498315A - Air-break brake system of double-section tracked vehicle - Google Patents
Air-break brake system of double-section tracked vehicle Download PDFInfo
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- CN112498315A CN112498315A CN202011361236.XA CN202011361236A CN112498315A CN 112498315 A CN112498315 A CN 112498315A CN 202011361236 A CN202011361236 A CN 202011361236A CN 112498315 A CN112498315 A CN 112498315A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting 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
- B60T13/10—Transmitting 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
- B60T13/24—Transmitting 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
- B60T13/26—Compressed-air systems
- B60T13/268—Compressed-air systems using accumulators or reservoirs
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Systems And Boosters (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
A gas-cut braking system of a double-section tracked vehicle relates to the field of engineering vehicles. The brake system consists of an air source storage mechanism assembly, an air pressure control mechanism assembly and a brake execution assembly; the gas source storage mechanism comprises a gas storage bottle; a brake pedal and a parking valve air inlet of the pneumatic control mechanism assembly are connected with an air outlet of the air storage bottle through a pipeline joint, and a parking switch is connected with the parking valve through a wire harness; the air inlet of a brake master cylinder of the brake execution assembly is connected with the air outlets of a brake pedal and a parking valve through pipeline joints, the air outlet of the brake master cylinder is respectively connected with the air inlets of a front-section vehicle relay valve and a rear-section vehicle relay valve through pipeline joints, and the air outlets of the front-section vehicle relay valve and the rear-section vehicle relay valve are respectively connected with a service brake air chamber of a front-section vehicle energy storage spring air chamber and a service brake air chamber of a rear-section vehicle energy storage spring air chamber through pipeline joints. The problems of large occupied space, difficulty in arrangement and adjustment, and poor braking reliability and safety of the conventional double-section crawler braking system are solved.
Description
Technical Field
The invention relates to the field of engineering vehicles, in particular to an improved technology of a braking system of a double-section tracked vehicle.
Background
In the prior art, the two-section crawler adopts braking systems such as belt braking, hydraulic braking, common air braking and the like, the belt braking occupies large space, and is difficult to arrange and adjust; the hydraulic brake is labor-consuming in brake operation and small in brake force; when the common air brake loop has a fault or leaks, the brake fails.
Disclosure of Invention
The invention provides a braking system for a two-section crawler with air cut-off, which solves the problems of large occupied space, difficult arrangement and adjustment, and poor braking reliability and safety of the conventional braking system for the two-section crawler.
In order to solve the problems, the invention adopts the following technical scheme: a two-section tracked vehicle air-break brake braking system comprises an air source storage mechanism assembly, an air pressure control mechanism assembly and a brake execution assembly; the gas source storage mechanism comprises a gas storage bottle;
the pneumatic control mechanism assembly comprises a brake pedal, a parking switch and a parking valve, wherein the air inlets of the brake pedal and the parking valve are connected with the air outlet of the gas storage bottle through a pipeline joint, and the parking switch is connected with the parking valve through a wire harness;
the brake execution assembly consists of a brake master cylinder, a front-section vehicle relay valve, a front-section vehicle energy storage spring air chamber, a rear-section vehicle relay valve and a rear-section vehicle energy storage spring air chamber; the air inlet of the brake master cylinder is connected with the air outlet of the brake pedal and the parking valve through pipeline joints, the air outlet of the brake master cylinder is respectively connected with the air inlets of the front-section vehicle relay valve and the rear-section vehicle relay valve through pipeline joints, the air outlets of the front-section vehicle relay valve and the rear-section vehicle relay valve are respectively connected with the service brake air chamber of the front-section vehicle energy storage spring air chamber and the service brake air chamber of the rear-section vehicle energy storage spring air chamber through pipeline joints, and the air outlet of the brake master cylinder is also respectively connected with the parking brake air chamber of the front-section vehicle energy storage spring air chamber and the parking brake air chamber of the rear.
Further, the air-break brake system of the double-section crawler further has the following characteristics: the air source storage mechanism consists of an air compressor, an air dryer with unloading function, an air storage bottle and a water drain valve; the air compressor is connected with the inlet of the air dryer through a pipeline joint, and the air outlet of the air dryer is connected with the air inlet of the gas storage bottle.
Further, the braking method of the air-break brake system of the double-section crawler comprises the following steps:
the air compressor of the two-section crawler stores the compressed air dried by the air dryer into the air storage cylinder, and when the compressed air in the air storage cylinder reaches the unloading pressure set by the air dryer, the compressed air is unloaded, and the pressure of the brake system is constant;
before the vehicle moves, a parking switch is pressed down to control a parking valve, so that compressed air in a gas storage cylinder enters a parking brake air chamber of a front-section vehicle energy storage spring air chamber and a parking brake air chamber of a rear-section vehicle energy storage spring air chamber through the parking valve and a brake master cylinder, the pre-tightening force of an energy storage spring is relieved, the parking brake state of the double-section tracked vehicle is relieved, and the vehicle can run;
and when the brake pedal is stepped on, compressed air enters a service brake air chamber of the front-section vehicle energy storage spring air chamber and a service brake air chamber of the rear-section vehicle energy storage spring air chamber through the brake pedal and the brake master cylinder, and partial pre-tightening force of the energy storage springs is restored, so that the service brake of the two-section tracked vehicle is realized.
When the air source pressure is insufficient in the braking operation, the phenomenon of insufficient braking torque can occur, and the parking switch can be lightened at the moment to realize the emergency braking of the vehicle; the parking brake is that the parking switch is completely recovered and the pre-tightening force of the energy storage spring is completely recovered under the parking state, so that the parking brake of the two-section tracked vehicle can be realized.
The invention has the technical effects that: the air-cut brake system is adopted, the integrated brake system which is simple to operate can be arranged in a limited space of the double-section crawler, even if a brake loop breaks down or leaks, the brake can be still realized, and the brake system has higher brake stability and safety.
Drawings
FIG. 1 is a schematic diagram of the present invention.
The symbols in the drawings illustrate that: the system comprises an air compressor 1, an air dryer 2, a gas storage cylinder 3, a water drain valve 4, a brake pedal 5, a parking switch 6, a parking valve 7, a brake master cylinder 8, a front-section vehicle relay valve 9, a front-section vehicle energy storage spring air chamber 10, a rear-section vehicle relay valve 11 and a rear-section vehicle energy storage spring air chamber 12.
Detailed Description
The present invention will be described in detail with reference to the following preferred embodiments.
As shown in fig. 1, a two-section tracked vehicle air-break brake braking system comprises an air source storage mechanism assembly, an air pressure control mechanism assembly and a brake execution assembly; the air source storage mechanism consists of an air compressor 1, an air dryer 2 with unloading function, a gas storage bottle 3 and a water drain valve 4; the air compressor 1 is connected with an inlet of an air dryer 2 through a pipeline joint, an air outlet of the air dryer 2 is connected with an air inlet of an air storage bottle 3, and the bottom of the air storage bottle 3 is in threaded connection with a water drain valve 4; the pneumatic control mechanism assembly comprises a brake pedal 5, a parking switch 6 and a parking valve 7, air inlets of the brake pedal 5 and the parking valve 7 are connected with an air outlet of the gas storage bottle 3 through a pipeline joint, and the parking switch 6 and the parking valve 7 are connected through a wire harness; the brake execution assembly consists of a brake master cylinder 8, a front-section vehicle relay valve 9, a front-section vehicle energy storage spring air chamber 10, a rear-section vehicle relay valve 11 and a rear-section vehicle energy storage spring air chamber 12; an air inlet of a master cylinder 8 is connected with an air outlet of a brake pedal 5 and an air outlet of a parking valve 7 through pipeline joints, an air outlet of the master cylinder 8 is respectively connected with air inlets of a front-section vehicle relay valve 9 and a rear-section vehicle relay valve 11 through pipeline joints, air outlets of the front-section vehicle relay valve 9 and the rear-section vehicle relay valve 11 are respectively connected with a service brake air chamber of a front-section vehicle energy storage spring air chamber 10 and a service brake air chamber of a rear-section vehicle energy storage spring air chamber 12 through pipeline joints, and an air outlet of the master cylinder is also respectively connected with a parking brake air chamber of the front-section vehicle energy storage spring air chamber 10 and a parking brake air chamber of the rear-section.
The manufacturing method is that the air compressor 1 of the two-section crawler vehicle stores the compressed air dried by the air dryer 2 into the gas storage cylinder 3, when the compressed air in the gas storage cylinder 3 reaches the unloading pressure set by the air dryer 2, the compressed air is unloaded, and the pressure of the braking system is constant; before the vehicle moves, the parking switch 6 is pressed down, the parking valve 7 is controlled, compressed air in the air storage cylinder 3 enters a parking brake air chamber of a front-section vehicle energy storage spring air chamber 10 and a parking brake air chamber of a rear-section vehicle energy storage spring air chamber 12 through the parking valve 7 and a master brake pump 8, the pre-tightening force of the energy storage springs is relieved, the parking brake state of the double-section tracked vehicle is relieved, and the vehicle can run; and when the brake pedal 5 is stepped on, compressed air enters a service brake air chamber of the front-section vehicle energy storage spring air chamber 10 and a service brake air chamber of the rear-section vehicle energy storage spring air chamber 12 through the brake pedal 5 and the master cylinder 8, and partial pre-tightening force of the energy storage springs is recovered, so that the service brake of the two-section tracked vehicle is realized. When the air source pressure is insufficient, the phenomenon of insufficient braking torque can occur, and the parking switch 6 can be lightened at the moment to realize the emergency braking of the vehicle. And the parking brake is the parking brake of the double-section tracked vehicle by completely recovering the parking switch 6 and the pre-tightening force of the energy storage spring under the parking state.
Claims (5)
1. A two-section tracked vehicle air-break brake braking system is characterized by comprising an air source storage mechanism assembly, an air pressure control mechanism assembly and a brake execution assembly;
the gas source storage mechanism comprises a gas storage bottle;
the pneumatic control mechanism assembly comprises a brake pedal, a parking switch and a parking valve, wherein the air inlets of the brake pedal and the parking valve are connected with the air outlet of the gas storage bottle through a pipeline joint, and the parking switch is connected with the parking valve through a wire harness;
the brake execution assembly consists of a brake master cylinder, a front-section vehicle relay valve, a front-section vehicle energy storage spring air chamber, a rear-section vehicle relay valve and a rear-section vehicle energy storage spring air chamber; the air inlet of the brake master cylinder is connected with the air outlet of the brake pedal and the parking valve through pipeline joints, the air outlet of the brake master cylinder is respectively connected with the air inlets of the front-section vehicle relay valve and the rear-section vehicle relay valve through pipeline joints, the air outlets of the front-section vehicle relay valve and the rear-section vehicle relay valve are respectively connected with the service brake air chamber of the front-section vehicle energy storage spring air chamber and the service brake air chamber of the rear-section vehicle energy storage spring air chamber through pipeline joints, and the air outlet of the brake master cylinder is also respectively connected with the parking brake air chamber of the front-section vehicle energy storage spring air chamber and the parking brake air chamber of the rear.
2. The air brake braking system of the double-track vehicle as claimed in claim 1, wherein the air source storage mechanism is composed of an air compressor, an air dryer with unloading function, an air storage cylinder and a water drain valve; the air compressor is connected with the inlet of the air dryer through a pipeline joint, and the air outlet of the air dryer is connected with the air inlet of the gas storage bottle.
3. The air brake system of claim 2, wherein the bottom of the gas cylinder is threaded with a water drain valve.
4. The air brake braking system of the double-track crawler as claimed in claim 2, wherein the braking method comprises:
the air compressor of the two-section crawler stores the compressed air dried by the air dryer into the air storage cylinder, and when the compressed air in the air storage cylinder reaches the unloading pressure set by the air dryer, the compressed air is unloaded, and the pressure of the brake system is constant;
before the vehicle moves, a parking switch is pressed down to control a parking valve, so that compressed air in a gas storage cylinder enters a parking brake air chamber of a front-section vehicle energy storage spring air chamber and a parking brake air chamber of a rear-section vehicle energy storage spring air chamber through the parking valve and a brake master cylinder, the pre-tightening force of an energy storage spring is relieved, the parking brake state of the double-section tracked vehicle is relieved, and the vehicle can run;
and when the brake pedal is stepped on, compressed air enters a service brake air chamber of the front-section vehicle energy storage spring air chamber and a service brake air chamber of the rear-section vehicle energy storage spring air chamber through the brake pedal and the brake master cylinder, and partial pre-tightening force of the energy storage springs is restored, so that the service brake of the two-section tracked vehicle is realized.
5. The air brake braking system of the double-track crawler according to claim 4, wherein when the air pressure is insufficient during the braking operation, the phenomenon of insufficient braking torque occurs, and at the moment, the parking switch can be lightened, so that the emergency braking of the crawler is realized; the parking brake is that the parking switch is completely recovered and the pre-tightening force of the energy storage spring is completely recovered under the parking state, so that the parking brake of the two-section tracked vehicle can be realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011361236.XA CN112498315A (en) | 2020-11-28 | 2020-11-28 | Air-break brake system of double-section tracked vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011361236.XA CN112498315A (en) | 2020-11-28 | 2020-11-28 | Air-break brake system of double-section tracked vehicle |
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| CN112498315A true CN112498315A (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011361236.XA Pending CN112498315A (en) | 2020-11-28 | 2020-11-28 | Air-break brake system of double-section tracked vehicle |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4428621A (en) * | 1981-12-30 | 1984-01-31 | Kabushiki Kaisha Komatsu Seisakusho | Combined parking and service brake system |
| CN201009875Y (en) * | 2006-12-28 | 2008-01-23 | 张润 | Brake driving device with high relialibity |
| CN202011389U (en) * | 2011-04-25 | 2011-10-19 | 福建振宝机械有限公司 | Forklift brake system |
| US20130175124A1 (en) * | 2012-01-09 | 2013-07-11 | Ford Global Technologies, Llc | Method for operating a mechanical parking brake |
| CN204736841U (en) * | 2015-05-21 | 2015-11-04 | 湖北航天技术研究院特种车辆技术中心 | Parking braking system |
| CN204801760U (en) * | 2015-06-11 | 2015-11-25 | 北汽福田汽车股份有限公司 | Parking braking device and vehicle that has it |
| CN205149841U (en) * | 2015-11-30 | 2016-04-13 | 哈尔滨第一机械集团有限公司 | Two sections tracked vehicle caliper disc type are capable of integrative braking system |
| CN207565575U (en) * | 2017-12-13 | 2018-07-03 | 北奔重型汽车集团有限公司 | A kind of commercial car parking control system |
| CN109249918A (en) * | 2018-09-26 | 2019-01-22 | 三汽车制造有限公司 | Brake fluid system and vehicle |
| CN110509907A (en) * | 2019-08-15 | 2019-11-29 | 哈尔滨北方防务装备股份有限公司 | Binodal creeper truck double-circuit braking system |
| CN209833604U (en) * | 2019-03-21 | 2019-12-24 | 陕西保利特种车制造有限公司 | Braking system capable of increasing parking braking gradient in short time |
| CN110701217A (en) * | 2019-10-11 | 2020-01-17 | 内蒙古第一机械集团股份有限公司 | Separation clearance adjustable moves integrative wet brake that dwells |
-
2020
- 2020-11-28 CN CN202011361236.XA patent/CN112498315A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4428621A (en) * | 1981-12-30 | 1984-01-31 | Kabushiki Kaisha Komatsu Seisakusho | Combined parking and service brake system |
| CN201009875Y (en) * | 2006-12-28 | 2008-01-23 | 张润 | Brake driving device with high relialibity |
| CN202011389U (en) * | 2011-04-25 | 2011-10-19 | 福建振宝机械有限公司 | Forklift brake system |
| US20130175124A1 (en) * | 2012-01-09 | 2013-07-11 | Ford Global Technologies, Llc | Method for operating a mechanical parking brake |
| CN204736841U (en) * | 2015-05-21 | 2015-11-04 | 湖北航天技术研究院特种车辆技术中心 | Parking braking system |
| CN204801760U (en) * | 2015-06-11 | 2015-11-25 | 北汽福田汽车股份有限公司 | Parking braking device and vehicle that has it |
| CN205149841U (en) * | 2015-11-30 | 2016-04-13 | 哈尔滨第一机械集团有限公司 | Two sections tracked vehicle caliper disc type are capable of integrative braking system |
| CN207565575U (en) * | 2017-12-13 | 2018-07-03 | 北奔重型汽车集团有限公司 | A kind of commercial car parking control system |
| CN109249918A (en) * | 2018-09-26 | 2019-01-22 | 三汽车制造有限公司 | Brake fluid system and vehicle |
| CN209833604U (en) * | 2019-03-21 | 2019-12-24 | 陕西保利特种车制造有限公司 | Braking system capable of increasing parking braking gradient in short time |
| CN110509907A (en) * | 2019-08-15 | 2019-11-29 | 哈尔滨北方防务装备股份有限公司 | Binodal creeper truck double-circuit braking system |
| CN110701217A (en) * | 2019-10-11 | 2020-01-17 | 内蒙古第一机械集团股份有限公司 | Separation clearance adjustable moves integrative wet brake that dwells |
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Application publication date: 20210316 |
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| RJ01 | Rejection of invention patent application after publication |