CN208632915U - A kind of hydraulic driven road roller safety operation control device - Google Patents
A kind of hydraulic driven road roller safety operation control device Download PDFInfo
- Publication number
- CN208632915U CN208632915U CN201820390390.1U CN201820390390U CN208632915U CN 208632915 U CN208632915 U CN 208632915U CN 201820390390 U CN201820390390 U CN 201820390390U CN 208632915 U CN208632915 U CN 208632915U
- Authority
- CN
- China
- Prior art keywords
- road roller
- switch
- control device
- operation control
- valve
- 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.)
- Active
Links
Landscapes
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The utility model discloses a kind of hydraulic driven road roller safety operation control device, including switch unit, sensor unit, controller and mechanical valve cell, the switch unit, sensor unit and mechanical valve cell are connect with controller；It wherein the switch unit closing or opening state and detects different speed or engine rotational speed signal, leads to the difference of the mechanical valve location mode.The utility model structure is simple, and reliable performance is convenient to install and maintain, prevents driver from forgetting to press park brake switch, safety hazard caused by complete machine car slipping；It avoids non-steering position personnel from not operating vehicle and bring safety hazard, greatly improves road roller manipulation security reliability.
Description
Technical field
The utility model relates to a kind of road roller working device, specifically a kind of hydraulic driven road roller is filled with safety operation control
It sets.
Background technique
Road roller belongs to the scope of compacting equipment in engineering machinery, can be divided into Mechanical Driven, hydraulic drive by driving principle
The types such as dynamic.Road roller needs driver to be manually pressed by park brake switch, road roller is just in and stays after complete machine shutdown at present
Vehicle on-position, once driver forgets to press park brake switch, road roller just has the risk potential of car slipping, once car slipping
It will result in great safety hazard；The walking of road roller starting at present, as long as engine ignition, after parking braking releases, so that it may
With walking, this logic control has very big security risk, and non-steering position personnel control complete machine progress due to not operating
Walking will bring great safety hazard；For vehicle in normal driving process, driver leaves steering position seat, vehicle
Or meeting normal walking, unsafe driving can bring security risk；Driver occurs under fortuitous event itself, and vehicle is without very
Good safety prevention measure, still will continue to walk, safety is low.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of hydraulic driven road roller safety operation control device, it can be automatic
Parking braking is effectively avoided being forgotten to press the safety hazard that parking braking causes complete machine car slipping due to driver, avoids non-driving
Location personnel does not operate vehicle and bring safety hazard, can effectively improve the consciousness of driver safety driving.
To realize the above-mentioned technical purpose, the utility model is achieved through the following technical solutions, and the utility model provides: one
Kind hydraulic driven road roller safety operation control device, including switch unit, sensor unit, controller and mechanical valve cell, institute
Switch unit, sensor unit and mechanical valve cell is stated to connect with controller；
The controller is for receiving switch unit signal and sensor unit signal, and it is mechanical to send instruction control
Valve cell state, the controller are single-chip microcontroller, model IMCT2840；
The switch unit is used to provide the signal of starting or the braking of road roller；
The sensor unit is used to detect the speed or engine speed of road roller；
The mechanical valve cell is for controlling road roller starting or braking.
Further, further include alarm lamp and buzzer connected to the controller, be used for warning alert.
Further, the switch unit includes that park brake switch, handle mid level switch and seat gravity sensing switch,
The park brake switch, handle mid level switch and seat gravity sensing switch are that open type switchs；
The mechanical valve cell includes brake valve, advance proportioning valve and retrogressing proportioning valve；
The brake valve is used to control the braking of road roller, brake valve power-off, road roller braking；The advance proportioning valve
With moving forward and backward for retrogressing proportional valve control road roller；
The park brake switch is used to directly control the on/off of brake valve, when park brake switch disconnects, braking
Valve is powered；When park brake switch is closed, brake valve power-off；
For the handle mid level switch for detecting whether road roller handle is in middle position state, handle is in middle position, handle
Mid level switch closure, complete machine stop walking, and handle is not at middle position, and handle mid level switch disconnects；
Whether the seat gravity sensing switch has operator on steering position for detecting, when detection steering position seat
Chair is sat down when pressing, and seat gravity sensing closes the switch.
The sensor unit includes speed probe and velocity sensor, and speed probe detects road roller engine
Revolving speed, velocity sensor detect road roller speed；
The different hairs that signal and detection is opened or closed of the handle mid level switch and seat gravity sensing switch
Motivation revolving speed or speed can be used for controlling the on/off of brake valve.
Further, the park brake switch, handle mid level switch and seat gravity sensing switch be also and direct current
Source connection.
Further, the brake valve, advance proportioning valve and the retrogressing equal grounding connection of proportioning valve.
Further, alarm lamp and the equal grounding connection of buzzer.
It is off-state, the signal that velocity sensor is zero, seat weight when the controller receives handle mid level switch
Power inductive switch is closed state, when the signal being not zero and park brake switch off-state of speed probe, control
Device output voltage exports electric current to advance proportioning valve or retreats proportioning valve to brake valve.
When handle mid level switch closure, this closure signal is passed into controller, if controller detects speed at this time
After the signal of sensor is zero, controller automatically cuts off the power supply of brake valve, and complete machine is in parking braking state automatically, prevents from driving
The person of sailing forgets to press park brake switch, safety hazard caused by complete machine car slipping.
It is off-state, the signal that velocity sensor is zero, seat gravity that the controller, which receives handle mid level switch,
Inductive switch is off-state, and when signal and park brake switch off-state that speed probe is not zero, controller is cut
The power supply of disconnected brake valve.
It is off-state, the signal that velocity sensor is not zero, seat weight that the controller, which receives handle mid level switch,
When power inductive switch is off-state and park brake switch off-state, controller exports electric current to alarm lamp and buzzing
Device, if reaching setting time back seat gravity sensing switch still to be detected as off-state, controller stopping exports electric current to before
Into proportioning valve, proportioning valve is retreated, complete machine stops walking, and controller cuts off the power supply of brake valve, complete machine is made to be in parking braking shape
State.
After road roller complete machine is static, mid level switch is closed state, presses park brake switch, and park brake switch closes
It closes, after controller detects this closure signal, controller cuts off the power supply of brake valve, and complete machine is in parking braking state.
The utility model has the advantages that
1, it is equipped with manual parking brake switch, presses park brake switch, complete machine is in parking braking state.
2, complete machine automatic parking brake after static, prevents driver from forgetting to press park brake switch, complete machine car slipping is made
At safety hazard.
3, non-steering position personnel is avoided not operate vehicle and bring safety hazard.
4, it effectively prevent driver vehicle under fortuitous event occur to walk on bring safety hazard, can effectively improve
The consciousness that driver safety drives.
5, structure is simple, reliable performance, convenient to install and maintain.
Detailed description of the invention
Fig. 1 is a kind of connection relationship diagram of hydraulic driven road roller manipulation safety device of the utility model；
Mark meaning is as follows: 1, park brake switch, 2, handle mid level switch, 3, seat gravity sensing switch, 4, revolving speed
Sensor, 5, velocity sensor, 6, controller, 7, brake valve, 8, advance proportioning valve, 9, retrogressing proportioning valve, 10, alarm lamp, 11,
Buzzer.
Specific embodiment
Technical solutions of the utility model are described in further detail with specific embodiment with reference to the accompanying drawing, so that
Those skilled in the art can better understand the utility model and can be practiced.
As shown in Figure 1, a kind of hydraulic driven road roller safety operation control device, including switch unit, sensor unit, control
Device 6 processed and mechanical valve cell, the switch unit, sensor unit and mechanical valve cell are connect with controller 6；
The controller 6 sends instruction control machine for receiving switch unit signal and sensor unit signal
Tool valve cell state, the controller 6 are single-chip microcontroller, model IMCT2840；
The switch unit is used to provide the signal of starting or the braking of road roller；
The sensor unit is used to detect the speed or engine speed of road roller；
The mechanical valve cell is for controlling road roller starting or braking.
The park brake switch 1, handle mid level switch 2 and seat gravity sensing switch 3 connect with 24V DC power supply
It connects.
Brake valve 7, advance proportioning valve 8, retrogressing proportioning valve 9, alarm lamp 10 and the equal grounding connection of buzzer 11.
The alarm lamp 10 connecting with controller 6 and buzzer 11 are used for warning alert.
The switch unit includes park brake switch 1, handle mid level switch 2 and seat gravity sensing switch 3, described to stay
Vehicle brake switch 1, handle mid level switch 2 and seat gravity sensing switch 3 are open type switch；
The mechanical valve cell includes brake valve 7, advance proportioning valve 8 and retrogressing proportioning valve 9；
The brake valve 7 is used to control the braking of road roller, and brake valve 7 powers off, road roller braking；The advance ratio
Valve 8 and retrogressing proportioning valve 9 control moving forward and backward for road roller；
The park brake switch 1 is used to directly control the on/off of brake valve 7, when park brake switch 1 disconnects, system
Dynamic valve 7 is powered；When park brake switch 1 is closed, brake valve 7 is powered off；
The handle mid level switch 2 is for detecting whether handle is in middle position state, and handle is in middle position, and position is opened in handle
2 closures are closed, complete machine stops walking, and handle is not at middle position, and handle mid level switch 2 disconnects；
The seat gravity sensing switch 3 is for detecting on steering position whether have operator, when detection steering position
Seat is sat down when pressing, and seat gravity sensing switch 3 is closed.
The sensor unit includes speed probe 4 and velocity sensor 5, and speed probe 4 detects road roller hair
The revolving speed of motivation, velocity sensor 5 detect the speed of road roller；
The different of signal and detection are opened or closed in the handle mid level switch 2 and seat gravity sensing switch 3
Engine speed or speed, for controlling the on/off of brake valve 7.
Park brake switch 1, handle mid level switch 2, seat gravity sensing switch 3 are separately connected a, b, c pipe of controller
Foot, d, e pin of controller are connected separately with speed probe 4, velocity sensor 5, and f, g, h pin of controller 6 connect respectively
It is connected to brake valve 7, advance proportioning valve 8, retreats proportioning valve 9, i, j pin of controller are connected separately with alarm lamp 10, buzzer
11。
The first embodiment is off-state when the b pin of the controller receives handle mid level switch, controller
After e pin detects the signal that velocity sensor is zero, c, d pin of controller detect seat gravity sensing switch respectively
Closure signal, speed probe are not zero after signal, and controller a pin receives the signal of park brake switch disconnection,
The f pin output voltage of controller is released to brake valve, parking braking, and g, h pin of controller export electric current to advance respectively
Proportioning valve retreats proportioning valve, and control complete machine moves forward or back walking.
The cut-off signal of handle mid level switch is passed to controller when the disconnection of handle mid level switch by second of embodiment
B pin, the e pin of controller detects that the signal of velocity sensor is not zero, and the c pin of controller can't detect seat at this time
After the closure signal of chair gravity sensing switch, to alarm lamp, buzzer, alarm lamp flashes i, j pin output voltage of controller,
Buzzer rings, alerting drivers return on seat, safe driving are carried out, if after reaching setting time, the c pin of controller is also
It is the closure signal that can't detect seat gravity sensing switch, then g, h pin stopping of controller export electric current and gives advance ratio
Valve retreats proportioning valve, and complete machine stops walking, and the f pin of controller stops the electricity that brake valve is cut off to brake valve output voltage
Source makes complete machine be in parking braking state, this can effectively improve the consciousness of driver safety driving, effectively prevent outside driver
Out or there is vehicle under fortuitous event and walk on bring safety hazard.
The cut-off signal of handle mid level switch is passed to controller when the disconnection of handle mid level switch by the third embodiment
B pin, after the e pin of controller detects that the signal of velocity sensor is zero, c, d pin of controller detect seat respectively
The cut-off signal of chair gravity sensing switch and being not zero after signal for speed probe, even if the signal that park brake switch disconnects
The a pin of controller is passed to, the f pin of controller still stops the power supply that brake valve is cut off to brake valve output voltage, whole
Machine is in parking braking state, and non-steering position personnel is avoided not operate vehicle and bring safety hazard.
4th kind of embodiment, after complete machine is static, handle mid level switch closure presses park brake switch, a pipe of controller
After foot detects the closure signal of park brake switch, the f pin of controller stops cutting off brake valve to brake valve output voltage
Power supply, complete machine is in parking braking state.
5th kind of embodiment, when handle mid level switch is closed, park brake switch is disconnected, by the closure of handle mid level switch
Signal passes to the b pin of controller, if after the e pin of controller detects that the signal of velocity sensor is zero at this time, control
The f pin of device stops the power supply that brake valve is automatically cut off to brake valve output voltage, and complete machine is in parking braking state automatically,
Prevent driver from forgetting to press park brake switch, safety hazard caused by complete machine car slipping.
A kind of the utility model hydraulic driven road roller safety operation control device, complete machine automatic parking brake after static,
Prevent driver from forgetting to press park brake switch, safety hazard caused by complete machine car slipping；Non- steering position personnel are avoided not grasp
Make vehicle and bring safety hazard；The consciousness for effectively improving driver safety driving effectively prevent driver unexpected feelings occur
Vehicle walks on bring safety hazard under condition；It is equipped with manual parking brake switch, presses park brake switch, complete machine is in
Parking braking state.
The present embodiment structure is simple, and reliable performance is convenient to install and maintain, and it is safe and reliable to greatly improve road roller manipulation
Property.
The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure made based on the specification and figures of the utility model perhaps equivalent process transformation or directly or indirectly fortune
Used in other related technical areas, it is also included in the patent protection scope of the utility model.
Claims (9)
1. a kind of hydraulic driven road roller safety operation control device, which is characterized in that including switch unit, sensor unit, control
Device processed and mechanical valve cell, the switch unit, sensor unit and mechanical valve cell are connect with controller；
The controller sends instruction control mechanical valve list for receiving switch unit signal and sensor unit signal
First state；
The switch unit is used to provide the signal of starting or the braking of road roller；
The sensor unit is used to detect the speed or engine speed of road roller；
The mechanical valve cell is for controlling road roller starting or braking；
It wherein the switch unit closing or opening state and detects different speed or engine rotational speed signal, leads to institute
The state for stating mechanical valve cell on/off is different.
2. a kind of hydraulic driven road roller safety operation control device according to claim 1, which is characterized in that further include with
The alarm lamp and buzzer of controller connection, are used for warning alert.
3. a kind of hydraulic driven road roller safety operation control device according to claim 1, which is characterized in that the switch
Unit includes park brake switch, handle mid level switch and seat gravity sensing switch, and the sensor unit includes revolving speed
Sensor and velocity sensor, the mechanical valve cell include brake valve, advance proportioning valve and retrogressing proportioning valve.
4. a kind of hydraulic driven road roller safety operation control device according to claim 3, which is characterized in that the parking
Brake switch, handle mid level switch and seat gravity sensing switch are that open type switchs.
5. a kind of hydraulic driven road roller safety operation control device according to claim 3, which is characterized in that the parking
Brake switch, handle mid level switch and seat gravity sensing switch are powered by DC power supply.
6. a kind of hydraulic driven road roller safety operation control device according to claim 3, which is characterized in that the system
Dynamic valve, advance proportioning valve and the retrogressing equal grounding connection of proportioning valve, brake valve is for controlling whether road roller is braked, advance proportioning valve
Road roller is controlled respectively with retrogressing proportioning valve to move forward and backward.
7. a kind of hydraulic driven road roller safety operation control device according to claim 3, which is characterized in that alarm lamp and
The equal grounding connection of buzzer.
8. a kind of hydraulic driven road roller safety operation control device according to claim 1, which is characterized in that the control
Device processed is single-chip microcontroller.
9. a kind of hydraulic driven road roller safety operation control device according to claim 8, which is characterized in that the monolithic
The model IMCT2840 of machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820390390.1U CN208632915U (en) | 2018-03-21 | 2018-03-21 | A kind of hydraulic driven road roller safety operation control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820390390.1U CN208632915U (en) | 2018-03-21 | 2018-03-21 | A kind of hydraulic driven road roller safety operation control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208632915U true CN208632915U (en) | 2019-03-22 |
Family
ID=65730790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820390390.1U Active CN208632915U (en) | 2018-03-21 | 2018-03-21 | A kind of hydraulic driven road roller safety operation control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208632915U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108330782A (en) * | 2018-03-21 | 2018-07-27 | 徐工集团工程机械股份有限公司 | A kind of hydraulic driven road roller safety operation control device and its control method |
-
2018
- 2018-03-21 CN CN201820390390.1U patent/CN208632915U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108330782A (en) * | 2018-03-21 | 2018-07-27 | 徐工集团工程机械股份有限公司 | A kind of hydraulic driven road roller safety operation control device and its control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101870265B (en) | Electric vehicle speed-regulating device and control method thereof | |
| CN104401304B (en) | Control system for automotive safety | |
| CN104494463B (en) | A kind of pure electric automobile method for controlling torque | |
| CN200972585Y (en) | Sensing device for locomotive | |
| CN108363340A (en) | SCM Based Intelligent baby carriage | |
| CN208632915U (en) | A kind of hydraulic driven road roller safety operation control device | |
| CN205422325U (en) | Bus door safety monitoring device | |
| CN108330782A (en) | A kind of hydraulic driven road roller safety operation control device and its control method | |
| CN107244324A (en) | A kind of Intelligent mining monkey car and its control system and control method | |
| CN206107232U (en) | Electric fork -lift holding brake alarm system | |
| CN103661320B (en) | A kind of three grades of interlocking brake system of pneumatic tyred roller | |
| CN103422525B (en) | The intelligent fault diagnosis surveillance of underground carry scraper | |
| CN205523760U (en) | Electric automobile prevents sloping system of swift current | |
| CN107265235A (en) | Elevator faults and power failure automatic rescue system and its rescue mode | |
| CN205434796U (en) | Pressure monitoring's treadmill | |
| CN207030667U (en) | Elevator faults and power failure automatic rescue system | |
| CN205871781U (en) | Electric tricycle power ramp system with ramp auxiliary control of slowly falling | |
| CN209428003U (en) | Rotor string resistance formula bridge crane anti-collision system | |
| CN206193508U (en) | Intelligence control system for garage circulates perpendicularly | |
| CN109455623B (en) | Anti-collision system of rotor string resistor bridge crane | |
| TWI472451B (en) | System of braking force adjusting scheme for electronic anti-locking braking system (abs) | |
| CN207089684U (en) | Air Ground Equipment active safety docks aircraft system | |
| CN104527636A (en) | Parking brake safety prompting system and prompting method for car | |
| CN217864090U (en) | Emergency braking device and mining dump truck | |
| CN204998457U (en) | Engineering machinery is with driver detection device that takes one's place |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |