CN108583552A - A kind of braking system of mechanical drive road roller - Google Patents
A kind of braking system of mechanical drive road roller Download PDFInfo
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- CN108583552A CN108583552A CN201810700870.8A CN201810700870A CN108583552A CN 108583552 A CN108583552 A CN 108583552A CN 201810700870 A CN201810700870 A CN 201810700870A CN 108583552 A CN108583552 A CN 108583552A
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- way solenoid
- gas
- road roller
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- 230000003111 delayed effect Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 238000007373 indentation Methods 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims description 2
- 230000006837 decompression Effects 0.000 claims 2
- 230000009471 action Effects 0.000 abstract description 10
- 238000005096 rolling process Methods 0.000 abstract description 6
- 230000006835 compression Effects 0.000 abstract 2
- 238000007906 compression Methods 0.000 abstract 2
- 230000006872 improvement Effects 0.000 description 15
- 239000003921 oil Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 208000019300 CLIPPERS Diseases 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 208000021930 chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010727 cylinder oil Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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Classifications
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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
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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
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
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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
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
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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
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
Abstract
本发明公开机械驱动压路机的制动系统，包括发动机、空气压缩泵、储气筒、脚制动阀、轮边制动钳和变速箱，发动机、空气压缩泵、储气筒依次连接，储气筒与脚制动阀连接，还包括减压阀、两位四通电磁阀、加力缸、延迟继电器、手柄控制器和速度传感器；储气筒、减压阀和两位四通电磁阀依次连接，脚制动阀、速度传感器分别与两位四通电磁阀连接，两位四通电磁阀、加力缸和轮边制动钳依次连接；手柄控制器通过延迟继电器与两位四通电磁阀连接，手柄控制器还与变速箱连接。本发明通过采集操纵手柄回中信号，收到信号后，使驱动轮在轮边钳盘制动器的作用下，停止滚动，使压路机在滑动摩擦力的作用下快速停止运动，不需要驾驶员踩踏制动踏板，降低了劳动强度。
The invention discloses a braking system for a mechanically driven road roller, which includes an engine, an air compression pump, an air storage tank, a foot brake valve, a wheel brake caliper and a gearbox. The engine, the air compression pump, and the air storage tank are connected in sequence. Brake valve connection, including pressure reducing valve, two-position four-way solenoid valve, booster cylinder, delay relay, handle controller and speed sensor; The moving valve and the speed sensor are respectively connected to the two-position four-way solenoid valve, and the two-position four-way solenoid valve, the afterburner cylinder and the wheel brake caliper are connected in turn; the handle controller is connected to the two-position four-way solenoid valve through the delay relay, and the handle The controller is also connected to the gearbox. The invention collects the centering signal of the control handle, and after receiving the signal, the driving wheel stops rolling under the action of the wheel caliper disc brake, so that the road roller stops quickly under the action of the sliding friction force, without the need for the driver to step on the brakes. Moving the pedals reduces the labor intensity.
Description
Technical field
The present invention relates to a kind of braking systems of mechanical drive road roller, belong to road roller brake field.
Background technology
At present there are two types of the parking modes of the mechanical drive road roller in industry：
One kind is during control crank returns.When in control crank returning, return signal is sent out, is controlled electro-hydraulic on gearbox
Valve, on the gear that gearbox switches back to neutral gear under the action of internal wet clutch, gearbox no longer passing power, drives at this time
Driving wheel still does rolling movement under the effect of inertia of road roller, and road roller gradually slows down under the action of force of rolling friction, directly
To stopping, this process duration is longer；
Another parking mode is brake pedal.When driving, driver tramples brake pedal, parking action to road roller
It is illustrated in fig. 1 shown below.High pressure gas is stored in gas receiver 3, internal pressure is about 0.8Mpa, which is driven by engine 1
Air pressure pump 2 provides, and when driver tramples brake pedal, high pressure gas flows into air boosting pump 13 through foot brake valves 8, adds
Power is pumped high-pressure brake hydraulic pressure into wheel side caliper 7, at this point, driving wheel stops rolling movement；Meanwhile pressure switch 14 detects
Pressure change in air boosting pump 13, transmits signals to the solenoid valve of gearbox 11, and control gearbox 11 returns to neutral gear shape
State, the no longer passing power of gearbox 11.Road roller quick stop motion under the action of force of sliding friction.
When carrying out compacting operation, typically advance-stopping-retrogressing-stopping-advance moves in circles road roller
Process, driver control crank is returned in after, in order to make road roller rapidly enter into retroversion state, driver needs the system of trampling
Dynamic pedal, makes road roller quickly stop.By taking the roadbed for being compacted 30m as an example, calculated with a speed of keeping off a car, every 40 seconds of driver needs to step on
A brake pedal is stepped on, daily work 8 hours, driver needs to trample brake pedal 720 times daily, significantly increases driving
The labor intensity of person.
Invention content
In view of the above existing problems in the prior art, the present invention provides a kind of braking systems of mechanical drive road roller, no
It needs driver to trample brake pedal, reduces the labor intensity of driver.
To achieve the goals above, a kind of braking system for mechanical drive road roller that the present invention uses, including engine,
Air pressure pump, gas receiver, foot brake valves, wheel side caliper and gearbox, the engine, air pressure pump, gas receiver according to
Secondary connection, the gas receiver are connect with foot brake valves, further include pressure reducing valve, two position four-way solenoid valves, power cylinder, delay relay
Device, handle controller and velocity sensor；
The gas receiver, pressure reducing valve and two position four-way solenoid valves are sequentially connected, the foot brake valves, velocity sensor difference
It is connect with two position four-way solenoid valves, two position four-way solenoid valve, power cylinder and wheel side caliper are sequentially connected；The handle control
Device processed is connect by delayed relay with two position four-way solenoid valves, and handle controller is also connect with gearbox.
As an improvement, high pressure gas is compressed to gas receiver by the driven by engine air pressure pump, the gas receiver
One gas outlet is connected with the air inlet of pressure reducing valve, another gas outlet of gas receiver is connected with the P of foot brake valves mouths, the foot
The A mouths of brake valve are connected with the T of two position four-way solenoid valves mouths, and the gas outlet of pressure reducing valve is connected with the P of two position four-way solenoid valves mouths；
A, B mouth of two position four-way solenoid valve are connected with the air inlet of power cylinder, oil outlet and the wheel side of power cylinder
The oil inlet of caliper is connected.
As an improvement, the mid level switch of the handle controller respectively with the input terminal of time-delay relay and the electricity of gearbox
Magnet valve coil couples, and the output end of the time-delay relay couples with the electromagnetic coil of two position four-way solenoid valves.
As an improvement, by the gas pressure intensity ranging from 2-6bar of pressure reducing valve.
As an improvement, being 4bar by the gas pressure intensity of pressure reducing valve.
As an improvement, the ranging from 0.2-2 seconds delay time of time-delay relay.
As an improvement, the delay time of time-delay relay is 0.5 second.
As an improvement, gas receiver internal gas pressure range is 7.5-8.5bar.
As an improvement, the velocity sensor is used to detect road roller speed, when velocity sensor detects that speed is 0
When, signal is sent out to two position four-way solenoid valves, braking gas source is cut off, stops braking maneuver.
In addition, the present invention also provides the braking method of the braking system of the mechanical drive road roller, including following step
Suddenly：
1) when road roller works normally, for handle controller not in middle position state, the input port of power cylinder passes through two four
B, T mouth of three-way electromagnetic valve and the A mouths of foot brake valves are connected with air, and wheel side caliper does not work；
2) when driver tramples foot brake valves, the P mouths of foot brake valves are connected with A mouthfuls, the high pressure gas warp in gas receiver
Two mouthfuls of air inlets for entering power cylinder of P, A for crossing foot brake valves, by the high-pressure brake oil indentation wheel side caliper in power cylinder
Oil inlet, wheel side caliper work, makes driving wheel stop operating；
3) when driver loosens the brake, the A mouths of foot brake valves are connected with air, the high pressure gas in power cylinder,
It inversely discharges into the atmosphere, completes the process of high pressure gas release；
4) when driver's control crank controller to middle position, handle controller sends out median signal, is respectively intended to control
Gearbox returns to neutral position state and punishment delayed relay, and delayed relay sends out signal, and two position four-way solenoid valves of control change
State makes P, B mouth of two position four-way solenoid valves communicate, T, B mouthfuls of disconnections, at this point, high pressure gas in gas receiver is by pressure reducing valve,
Enter the input port of power cylinder by P, A mouth of two position four-way solenoid valves, and side is taken turns into the wild brake fluid indentation of height in power cylinder
The oil inlet of caliper, wheel side caliper work, driving wheel stop operating；
5) velocity sensor is mounted on suitable position on road roller, when velocity sensor detects that speed is 0, Xiang Liangwei
Four way solenoid valve sends out signal, and braking gas source is cut off, and stops braking maneuver.
Compared with prior art, the present invention returns middle signal by acquiring control crank, after receiving signal, driving wheel is made to take turns
Under the action of the clipper disk brake of side, stops rolling, make road roller quick stop motion under the action of force of sliding friction, do not need
Driver tramples brake pedal, reduces the labor intensity of driver.
Description of the drawings
Fig. 1 is existing to trample action schematic diagram of stopping after brake pedal；
Fig. 2 is the connection diagram of the present invention；
Fig. 3 is the structural schematic diagram of two position four-way solenoid valves in the present invention；
Fig. 4 is the structural schematic diagram of foot brake valves in the present invention；
In figure：1, engine, 2, air pressure pump, 3, gas receiver, 4, pressure reducing valve, 5, two position four-way solenoid valves, 6, reinforcing
Cylinder, 7, wheel side caliper, 8, foot brake valves, 9, handle controller, 10, delayed relay, 11, gearbox, 12, velocity pick-up
Device, 13, air boosting pump, 14, pressure switch.
Specific implementation mode
In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention is carried out below further detailed
It describes in detail bright.However, it should be understood that the specific embodiments described herein are merely illustrative of the present invention, it is not limited to this hair
Bright range.
Unless otherwise defined, all technical terms and scientific terms used herein are led with the technology for belonging to the present invention
The normally understood meaning of technical staff in domain is identical, and used term is intended merely to retouch in the description of the invention herein
State the purpose of specific embodiment, it is not intended that in the limitation present invention.
As shown in Fig. 2, a kind of braking system of mechanical drive road roller, including engine 1, air pressure pump 2, gas receiver
3, foot brake valves 8, wheel side caliper 7 and gearbox 11, the engine 1, air pressure pump 2, gas receiver 3 are sequentially connected, institute
Gas receiver 3 is stated to connect with foot brake valves 8, further include pressure reducing valve 4, two position four-way solenoid valves 5, power cylinder 6, delayed relay 10,
Handle controller 9 and velocity sensor 12；
The gas receiver 3, pressure reducing valve 4 and two position four-way solenoid valves 5 are sequentially connected, the foot brake valves 8, velocity sensor
12 connect with two position four-way solenoid valves 5 respectively, and two position four-way solenoid valve 5, power cylinder 6 and wheel side caliper 7 are sequentially connected；
The handle controller 9 is connect by delayed relay 10 with two position four-way solenoid valves 5, handle controller 9 also with gearbox 11
Connection.
As the improvement of embodiment, as shown in Figure 3 and Figure 4, the engine 1 drives air pressure pump 2 by high pressure gas
It is compressed to gas receiver 3, a gas outlet of the gas receiver 3 is connected with the air inlet of pressure reducing valve 4, and another of gas receiver 3 goes out
Gas port is connected with the P of foot brake valves 8 mouths, and the A mouths of the foot brake valves 8 are connected with the T mouths of two position four-way solenoid valves 5, pressure reducing valve 4
Gas outlet be connected with the P mouths of two position four-way solenoid valves 5；
A, B mouth of two position four-way solenoid valve 5 are connected with the air inlet of power cylinder 6, the oil outlet and wheel of power cylinder 6
The oil inlet of side caliper 7 is connected.
As the improvement of embodiment, the mid level switch of the handle controller 9 input terminal with time-delay relay 10 respectively
And the electromagnetic valve coil connection of gearbox 11, the electromagnetic wire of the output end of the time-delay relay 10 and two position four-way solenoid valves 5
Circle connection.
As the improvement of embodiment, by the gas pressure intensity ranging from 2-6bar of pressure reducing valve 4.It is further preferred that by
The gas pressure intensity of pressure reducing valve 4 is 4bar.
As the improvement of embodiment, the ranging from 0.2-2 seconds delay time of time-delay relay 10, it is preferred that delay time
It is 0.5 second.
As the improvement of embodiment, 3 internal gas pressure range of gas receiver is 7.5-8.5bar.
As the improvement of embodiment, the velocity sensor 12 is for detecting road roller speed, when velocity sensor 12 is examined
Measure speed be 0 when, send out signal to two position four-way solenoid valves 5, braking gas source cut off, stop braking maneuver.
The braking method of braking system using the present invention, includes the following steps：
1) when road roller works normally, for handle controller 9 not in middle position state, the input port of power cylinder 6 passes through two
B, T mouth of four way solenoid valve 5 and the A mouths of foot brake valves 8 are connected with air, and wheel side caliper 7 does not work；
2) when driver tramples foot brake valves 8, the P mouths of foot brake valves 8 are connected with A mouthfuls, the high pressure gas in gas receiver 3
By two mouthfuls of air inlets for entering power cylinder 6 of P, A of foot brake valves 8, by the high-pressure brake oil indentation wheel side braking in power cylinder 6
The oil inlet of pincers 7, wheel side caliper 7 work, and driving wheel is made to stop operating；
3) when driver loosen the brake 8 when, the A mouths of foot brake valves 8 are connected with air, the high pressure gas in power cylinder 6
Body is inversely discharged into the atmosphere, and the process of high pressure gas release is completed；
4) when driver's control crank controller 9 is to middle position, handle controller 9 sends out median signal, is respectively intended to control
Gearbox processed returns to neutral position state and punishment delayed relay 10, delayed relay 10 send out signal, controls two four-way electromagnetics
Valve 5 changes state, and P, B mouth of two position four-way solenoid valves 5 is made to communicate, T, B mouthfuls of disconnections, at this point, the high pressure gas in gas receiver 3 is logical
Pressure reducing valve 4 is crossed, the input port of power cylinder 6 is entered by P, A mouth of two position four-way solenoid valves 5, and the height open country in power cylinder 6 is made
The oil inlet of hydrodynamic indentation wheel side caliper 7, wheel side caliper 7 work, and driving wheel stops operating；
5) velocity sensor 12 is mounted on suitable position on road roller, when velocity sensor detects that speed is 0, to two
Position four-way solenoid valve 5 sends out signal, and braking gas source is cut off, and stops braking maneuver.
The present invention returns middle signal by acquiring control crank, after receiving signal, makes driving wheel in wheel side clipper disk brake
Under effect, stops rolling, make road roller quick stop motion under the action of force of sliding friction, do not need driver and trample braking
Pedal reduces the labor intensity of driver.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of braking system of mechanical drive road roller, including engine (1), air pressure pump (2), gas receiver (3), foot system
Dynamic valve (8), wheel side caliper (7) and gearbox (11), the engine (1), air pressure pump (2), gas receiver (3) connect successively
It connects, the gas receiver (3) connect with foot brake valves (8), which is characterized in that further include pressure reducing valve (4), two position four-way solenoid valves
(5), power cylinder (6), delayed relay (10), handle controller (9) and velocity sensor (12)；
The gas receiver (3), pressure reducing valve (4) and two position four-way solenoid valves (5) are sequentially connected, and the foot brake valves (8), speed pass
Sensor (12) is connect with two position four-way solenoid valves (5) respectively, two position four-way solenoid valve (5), power cylinder (6) and the braking of wheel side
Pincers (7) are sequentially connected；The handle controller (9) is connect by delayed relay (10) with two position four-way solenoid valves (5), handle
Controller (9) is also connect with gearbox (11).
2. a kind of braking system of mechanical drive road roller according to claim 1, which is characterized in that the engine
(1) drive air pressure pump (2) that high pressure gas is compressed to gas receiver (3), a gas outlet and the decompression of the gas receiver (3)
The air inlet of valve (4) is connected, another gas outlet of gas receiver (3) is connected with the P mouths of foot brake valves (8), the foot brake valves
(8) A mouths are connected with the T mouths of two position four-way solenoid valves (5), the P of the gas outlet and two position four-way solenoid valves (5) of pressure reducing valve (4)
Mouth is connected；
A, B mouth of two position four-way solenoid valve (5) are connected with the air inlet of power cylinder (6), the oil outlet of power cylinder (6) with
The oil inlet for taking turns side caliper (7) is connected.
3. a kind of braking system of mechanical drive road roller according to claim 2, which is characterized in that the handle control
The mid level switch of device (9) couples with the electromagnetic valve coil of the input terminal of time-delay relay (10) and gearbox (11) respectively, described
The output end of time-delay relay (10) couples with the electromagnetic coil of two position four-way solenoid valves (5).
4. a kind of braking system of mechanical drive road roller according to claim 1 or 2, which is characterized in that by decompression
The gas pressure intensity ranging from 2-6bar of valve (4).
5. a kind of braking system of mechanical drive road roller according to claim 4, which is characterized in that pass through pressure reducing valve
(4) gas pressure intensity is 4bar.
6. a kind of braking system of mechanical drive road roller according to claim 1 or 2, which is characterized in that delay relay
The ranging from 0.2-2 seconds delay time of device (10).
7. a kind of braking system of mechanical drive road roller according to claim 6, which is characterized in that time-delay relay
(10) delay time is 0.5 second.
8. a kind of braking system of mechanical drive road roller according to claim 1 or 2, which is characterized in that gas receiver (3)
Internal gas pressure range is 7.5-8.5bar.
9. a kind of braking system of mechanical drive road roller according to claim 1 or 2, which is characterized in that the speed
Sensor (12) is for detecting road roller speed, when velocity sensor (12) detects that speed is 0, to two position four-way solenoid valves
(5) signal is sent out, braking gas source is cut off, stops braking maneuver.
10. a kind of braking method of braking system using any one of the claim 1-9 mechanical drive road rollers, feature
It is, includes the following steps：
1) when road roller works normally, for handle controller (9) not in middle position state, the input port of power cylinder (6) passes through two
B, T mouth of four way solenoid valve (5) and the A mouths of foot brake valves (8) are connected with air, and wheel side caliper (7) does not work；
2) when driver tramples foot brake valves (8), the P mouths of foot brake valves (8) are connected with A mouthfuls, the high pressure gas in gas receiver (3)
High-pressure brake oil in power cylinder (6) is pressed by body by two mouthfuls of air inlets for entering power cylinder (6) of P, A of foot brake valves (8)
The oil inlet of side caliper (7) is taken turns, wheel side caliper (7) works, and driving wheel is made to stop operating；
3) when driver loosens the brake (8), the A mouths of foot brake valves (8) are connected with air, the high pressure in power cylinder (6)
Gas is inversely discharged into the atmosphere, and the process of high pressure gas release is completed；
4) when driver's control crank controller (9) to middle position, handle controller (9) sends out median signal, is respectively intended to control
Gearbox processed returns to neutral position state and punishment delayed relay (10), and delayed relay (10) sends out signal, controls two four-ways
Solenoid valve (5) changes state, and P, B mouth of two position four-way solenoid valves (5) is made to communicate, T, B mouthfuls of disconnections, at this point, in gas receiver (3)
High pressure gas enters the input port of power cylinder (6) by P, A mouth of two position four-way solenoid valves (5), and will by pressure reducing valve (4)
The oil inlet of the wild brake fluid indentation wheel side caliper (7) of height in power cylinder (6), wheel side caliper (7) work, and driving wheel stops
Rotation；
5) velocity sensor (12) is mounted on suitable position on road roller, when velocity sensor detects that speed is 0, Xiang Liangwei
Four way solenoid valve (5) sends out signal, and braking gas source is cut off, and stops braking maneuver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810700870.8A CN108583552A (en) | 2018-06-29 | 2018-06-29 | A kind of braking system of mechanical drive road roller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810700870.8A CN108583552A (en) | 2018-06-29 | 2018-06-29 | A kind of braking system of mechanical drive road roller |
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| CN108583552A true CN108583552A (en) | 2018-09-28 |
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ID=63635115
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810700870.8A Pending CN108583552A (en) | 2018-06-29 | 2018-06-29 | A kind of braking system of mechanical drive road roller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112339725A (en) * | 2020-10-28 | 2021-02-09 | 徐工集团工程机械股份有限公司道路机械分公司 | Auxiliary braking method and system for road roller |
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| JPH0592029U (en) * | 1992-05-13 | 1993-12-14 | 三菱農機株式会社 | Brake control device for work vehicle |
| CN101708719A (en) * | 2009-11-15 | 2010-05-19 | 江阴柳工道路机械有限公司 | Braking system of tyre roller |
| CN103085799A (en) * | 2013-01-23 | 2013-05-08 | 南京艾斯福汽车科技有限公司 | Pneumatic intelligent electronic parking braking device |
| CN104442752A (en) * | 2014-12-22 | 2015-03-25 | 江苏柳工机械有限公司 | Braking power cut-off control system of walking machine |
| CN207274659U (en) * | 2017-10-09 | 2018-04-27 | 东风特汽(十堰)客车有限公司 | A kind of electric automobile control system of air compressor |
| CN108116381A (en) * | 2018-01-09 | 2018-06-05 | 中北大学 | Air pressure type braking energy recycles assistant starting braking system |
| CN208393348U (en) * | 2018-06-29 | 2019-01-18 | 徐工集团工程机械股份有限公司 | The braking system of mechanical drive road roller |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112339725A (en) * | 2020-10-28 | 2021-02-09 | 徐工集团工程机械股份有限公司道路机械分公司 | Auxiliary braking method and system for road roller |
| CN112339725B (en) * | 2020-10-28 | 2022-03-29 | 徐工集团工程机械股份有限公司道路机械分公司 | Auxiliary braking method and system for road roller |
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Application publication date: 20180928 |