CN109334642A - Collision prevention device - Google Patents
Collision prevention device Download PDFInfo
- Publication number
- CN109334642A CN109334642A CN201811097312.3A CN201811097312A CN109334642A CN 109334642 A CN109334642 A CN 109334642A CN 201811097312 A CN201811097312 A CN 201811097312A CN 109334642 A CN109334642 A CN 109334642A
- Authority
- CN
- China
- Prior art keywords
- cavity
- executive component
- controller
- prevention device
- piston
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
- B60T7/22—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger initiated by contact of vehicle, e.g. bumper, with an external object, e.g. another vehicle, or by means of contactless obstacle detectors mounted on the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
-
- 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
- B60T2201/00—Particular use of vehicle brake systems; Special systems using also the brakes; Special software modules within the brake system controller
- B60T2201/02—Active or adaptive cruise control system; Distance control
- B60T2201/022—Collision avoidance systems
Abstract
The invention discloses a kind of collision prevention devices, it includes distance measuring sensor, controller and executing agency；Executing agency includes the holding vessel being sequentially communicated by pipeline, two-way pump, solenoid valve, conversion tank and executive component, and executive component is connected with brake arm to push brake arm to brake；Dynamic medium is stored in holding vessel；Conversion tank is the interior closed tank body for setting piston, its inner cavity is divided into mutually independent input cavity and output cavity by piston, input cavity is connected to solenoid valve, output cavity is connected to by pipeline with executive component, it is equipped with spring between output cavity bottom wall and piston, is marked with braking medium in output cavity, executive component and pipeline between the two；Distance measuring sensor detects the distance between barrier and transmits signals to controller, and controller control solenoid valve is opened, controls two-way pump work when spacing is less than setting value.Input cavity pressure increases piston compressed spring for the braking medium indentation executive component in output cavity at this time, and brake arm work is made to realize braking.
Description
Technical field
The present invention relates to a kind of devices that auxiliary drives, more particularly to a kind of collision prevention device.
Background technique
There are many blind areas in driving procedure by people, often due to misoperation or absent minded generation
Accident collision.Especially engineering machinery, since its volume is larger, driver's cabin is higher and the visual field is poor, and there are more visuals field
Blind area usually collides with surrounding objects or operating personnel, and there are security risks.
Summary of the invention
The purpose of the present invention is to solve the shortcomings of the prior art place, providing a kind of can be improved the anti-of drive safety
Crash device.
This collision prevention device provided by the invention, it includes distance measuring sensor, controller and executing agency；Executing agency
Including holding vessel, two-way pump, solenoid valve, conversion tank and executive component, executive component and the brake arm being sequentially communicated by pipeline
Being connected can push brake arm to brake；Dynamic medium is stored in holding vessel；Conversion tank is the interior closed tank body for setting piston, piston
Its inner cavity is divided into mutually independent input cavity and output cavity, input cavity is connected to the delivery outlet of solenoid valve, and output cavity passes through
Pipeline is connected to the input cavity of executive component, is connected with spring between the bottom wall and piston of output cavity, output cavity, executive component and
Braking medium is marked in pipeline between the two；Distance measuring sensor is connected with controller by conducting wire, controller respectively with it is two-way
Pump is connected with solenoid valve by conducting wire, and distance measuring sensor detects the distance between barrier and transmits signals to controller, when
Two-way pump work is controlled by dynamic medium from holding vessel while controller control solenoid valve is opened when spacing is less than setting value
It is pumped into the input cavity of conversion tank.
In order to improve the reliability of anticollision, the machinery to collide when it further includes for avoiding distance measuring sensor from failing
Bumper assembly.
In a specific embodiment, making the mechanical bumper assembly includes mounting base, travel switch, connecting rod and anti-collision
Bracket is hit, travel switch is fixed in outside mounting base, and one end of connecting rod is articulated with outer mounting base, the other end and anticollision bracket phase
Even；When anticollision bracket and barrier collide, collision is transferred to travel switch by connecting rod, and the collision is converted electricity by travel switch
Signal is transferred to controller.
In order to improve stability, making the mechanical bumper assembly further includes tension assembly, and tension assembly includes fixing axle, work
Dynamic ear and tensioning spring；Fixing axle is T-type axis, and bar portion is connected to outside mounting base, and movable ear one end is articulated in fixing axle, is another
One end is connected with tensioning spring, and the other end of tensioning spring is connected in mounting base, the movable contact phase of movable ear and travel switch
Even；The connecting rod is connected under movable ear.
Preferably, the distance measuring sensor is that ultrasonic distance-measuring sensor or laser range sensor or infrared distance measurement pass
Sensor.
The dynamic medium is compressed air or hydraulic oil.
The braking medium is hydraulic oil.
The executive component be hydraulic cylinder, cylinder body is fixed on wheel hub, its piston rod is connected with brake arm, hydraulic cylinder into
Hydraulic fluid port is connected to the output cavity of conversion tank with oil return opening.
The present invention by the distance between distance measuring sensor detection and barrier, and transmits signals to after coming into operation
Controller, when spacing be less than setting value when controller control solenoid valve open while control two-way pump work by dynamic medium from
The input cavity of conversion tank is pumped into holding vessel, inputting cavity pressure increase at this time makes the system being about in output cavity under piston compressed spring
In dynamic medium indentation executive component, braking is carried out in the work of executive component Work Promote brake arm.To play the mesh that auxiliary drives
, it prevents that accident collision occurs in driving procedure, improves drive safety.
Detailed description of the invention
Fig. 1 is the arrangement schematic diagram of a preferred embodiment of the invention.
Fig. 2 is the enlarged diagram in Fig. 1 at A.
Illustrate serial number:
1-distance measuring sensor；
2-controllers；
3-executing agencies, 31-pipelines, 32-holding vessels, 33-two-way pumps, 34-solenoid valves, 35-conversion tanks, 36-
Piston, 37-springs, 38-executive components；
4-mechanical bumper assemblies, 41-mounting bases, 42-tension assemblies, 421-fixing axles, 422-movable ears, 423-
Tensioning spring, 43-travel switches, 44-connecting rods, 45-anticollision brackets.
Specific embodiment
As shown in Figure 1, this collision prevention device provided by the invention, including distance measuring sensor 1, controller 2, executing agency
3 and mechanical bumper assembly 4.
It is infrared distance sensor that wherein distance measuring sensor 1, which is selected, it is connected between controller by conducting wire, and ranging passes
Sensor 1 is used to detect spacing between barrier, and will test result and be converted into electric signal and be transferred to controller 2.
Whether controller 2 controls executing agency 3 according to the size for comparing 1 detecting distance of distance measuring sensor and set distance
Work.
Executing agency 3 includes the holding vessel 32 being sequentially communicated by pipeline 31, two-way pump 33, solenoid valve 34, conversion tank 35
With executive component 36.Holding vessel 32 is closed tank body, inside stores pressure-air as dynamic medium, one end is equipped with row
Port, exhaust outlet are connected to by pipeline 31 with the input port of two-way pump 33, and the delivery outlet of two-way pump 33 is externally provided with solenoid valve 34, electricity
The delivery outlet of magnet valve is connected to by pipeline with conversion tank 35.Conversion tank 35 is the tank body of sealing, and the interior piston 36 that is equipped with is by inner cavity
It is divided into input cavity and output cavity, in output cavity, is equipped with spring 37, the delivery outlet of input cavity and solenoid valve between piston and bottom of chamber
It is connected to by pipeline, output cavity is connected to by pipeline with executive component 38.Executive component 38 is hydraulic cylinder, and cylinder body is fixed in wheel
On hub, its piston rod be connected with brake arm, hydraulic cylinder oil inlet and oil return opening are connected to the output cavity of conversion tank.Convert tank
Hydraulic oil is marked in output cavity, executive component and pipeline between the two as braking medium.
When in use, by distance measuring sensor detection the distance between with barrier, and transmit signals to controller, when
Dynamic medium is pumped from holding vessel away from two-way pump work is controlled while controller control solenoid valve is opened when being less than setting value
Enter to convert the input cavity of tank, inputting cavity pressure increase at this time is pressed into the braking medium being about under piston compressed spring in output cavity
In executive component, braking is carried out in the work of executive component Work Promote brake arm.To play the purpose that auxiliary drives, prevent from driving
Accident collision occurs in the process, improves drive safety.
In order to avoid whole device does not work when distance measuring sensor, which detects, to fail, the present embodiment has also been devised can be to control
Device improves the mechanical bumper assembly 4 of another electric signal.
Mechanical bumper assembly 4 includes mounting base 41, tension assembly 42, travel switch 43, connecting rod 44 and anticollision bracket 45.
Mounting base 41 is square type pedestal, and one end end, which is fixed in outside car body, forms overarm.As shown in Fig. 2, tension assembly 42 includes solid
Dead axle 421, movable ear 422 and tensioning spring 423；Fixing axle is T-type axis, and bar portion is fixed in the side of mounting base, movable ear
One end is articulated in fixing axle, the other end is connected with tensioning spring, and the other end of tensioning spring is connected in mounting base, movable ear
It is connected with the movable contact of travel switch 43, travel switch is connected by conducting wire with controller.One end of connecting rod is connected with movable ear,
The other end is connected with anticollision bracket 45.There are two mounting base 41, tension assembly 42, travel switch 43 and connecting rod 44 are equal, about
Anticollision stent length direction median plane is arranged symmetrically.Entire machinery bumper assembly 4 is fixed in car body by a pair of of mounting base
Front end and/or rear end.
When distance measuring sensor failure, anticollision bracket collides with barrier, and the activity of connecting rod drive at this time ear is together
Vibration, by travel switch detect the vibration and by it be converted into electrically be transferred to controller well.Controller control control electromagnetism
Valve controls the input cavity that dynamic medium is pumped into conversion tank by two-way pump work from holding vessel while opening, at this time input cavity pressure
Power increase makes in the braking medium being about in output cavity under piston compressed spring indentation executive component, and executive component Work Promote is stopped
Braking is carried out in the work of vehicle arm.So as to guarantee still play the purpose of auxiliary driving when distance measuring sensor fails, prevent
Accident collision only occurs in driving procedure, improves drive safety.After detecting that barrier is separate, on-position need to be released
When, controller controls the work of two-way pump direction, is pumped into dynamic medium in holding vessel, inputs cavity pressure at this time and reduces, spring is multiple
Position, piston stroking upward flow back into braking medium from executive component in conversion tank, release the on-position of brake arm.
The present embodiment is especially suitable in engineering machinery, can will be mechanical anti-for example, when the present embodiment is on road roller
The front and rear ends that component is set to road roller by mounting base are hit, and infrared distance sensor is arranged in connecting rod by ear mount
On；Other each components are fixed in road roller, set five for executive component, wherein four are respectively arranged at traveling wheel
Wheel hub on, another is set on the wheel hub of vibrating wheels, and each executive component is serially connected, and brakes simultaneously.
Claims (8)
1. a kind of collision prevention device, it is characterised in that: it includes distance measuring sensor, controller and executing agency；
Executing agency includes the holding vessel being sequentially communicated by pipeline, two-way pump, solenoid valve, conversion tank and executive component, is executed
Element is connected with brake arm to push brake arm to brake；
Dynamic medium is stored in holding vessel；
Conversion tank is the interior closed tank body for setting piston, its inner cavity is divided into mutually independent input cavity and output cavity by piston, defeated
Enter chamber to be connected to the delivery outlet of solenoid valve, output cavity be connected to by pipeline with the input cavity of executive component, the bottom wall of output cavity and
It is connected with spring between piston, is marked with braking medium in output cavity, executive component and pipeline between the two；
Distance measuring sensor is connected with controller by conducting wire, and controller is connected with two-way pump and solenoid valve by conducting wire respectively, is surveyed
Away from distance between sensor detection and barrier and controller is transmitted signals to, controller controls when spacing is less than setting value
Solenoid valve controls the input cavity that dynamic medium is pumped into conversion tank by two-way pump work from holding vessel while opening.
2. collision prevention device as described in claim 1, it is characterised in that: when it further includes for avoiding distance measuring sensor from failing
The mechanical bumper assembly to collide.
3. collision prevention device as claimed in claim 2, it is characterised in that: the machinery bumper assembly includes mounting base, stroke
Switch, connecting rod and anticollision bracket, travel switch are fixed in outside mounting base, and one end of connecting rod is articulated with that mounting base is outer, the other end
It is connected with anticollision bracket；When anticollision bracket and barrier collide, collision is transferred to travel switch by connecting rod, and travel switch will
The collision is converted into electric signal and is transferred to controller.
4. collision prevention device as claimed in claim 3, it is characterised in that: the machinery bumper assembly further includes tension assembly,
Tension assembly includes fixing axle, movable ear and tensioning spring；Fixing axle is T-type axis, and bar portion is connected to outside mounting base, movable ear
One end is articulated in fixing axle, the other end is connected with tensioning spring, and the other end of tensioning spring is connected in mounting base, movable ear
It is connected with the movable contact of travel switch；The connecting rod is connected under movable ear.
5. collision prevention device as described in claim 1, it is characterised in that: the distance measuring sensor is ultrasonic distance-measuring sensor
Or laser range sensor or infrared distance sensor.
6. collision prevention device as described in claim 1, it is characterised in that: the dynamic medium is compressed air or hydraulic oil.
7. collision prevention device as described in claim 1, it is characterised in that: the braking medium is hydraulic oil.
8. collision prevention device as described in claim 1, it is characterised in that: the executive component is hydraulic cylinder, and cylinder body is affixed
In on wheel hub, its piston rod be connected with brake arm, hydraulic cylinder oil inlet is connected to the output cavity of conversion tank with oil return opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811097312.3A CN109334642B (en) | 2018-09-18 | 2018-09-18 | Anti-collision device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811097312.3A CN109334642B (en) | 2018-09-18 | 2018-09-18 | Anti-collision device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109334642A true CN109334642A (en) | 2019-02-15 |
| CN109334642B CN109334642B (en) | 2020-11-24 |
Family
ID=65306113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811097312.3A Active CN109334642B (en) | 2018-09-18 | 2018-09-18 | Anti-collision device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109334642B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111483449A (en) * | 2020-04-14 | 2020-08-04 | 北京天润海图科技有限公司 | Rail car and rail car acceleration controllable braking device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691332A (en) * | 2012-06-11 | 2012-09-26 | 上海三一重机有限公司 | Rotation anti-collision early warning control device of excavator, control device, and excavator |
| CN103112451A (en) * | 2013-02-06 | 2013-05-22 | 刘兆雄 | Automobile automatic collision avoidance system and method |
| CN204726237U (en) * | 2015-02-12 | 2015-10-28 | 李萼辉 | Collision prevention of vehicle controller |
| DE112014005453T5 (en) * | 2013-11-29 | 2016-08-11 | Advics Co., Ltd. | braking device |
| CN108072875A (en) * | 2017-11-23 | 2018-05-25 | 李党 | Vehicle collision avoidance system |
-
2018
- 2018-09-18 CN CN201811097312.3A patent/CN109334642B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691332A (en) * | 2012-06-11 | 2012-09-26 | 上海三一重机有限公司 | Rotation anti-collision early warning control device of excavator, control device, and excavator |
| CN103112451A (en) * | 2013-02-06 | 2013-05-22 | 刘兆雄 | Automobile automatic collision avoidance system and method |
| DE112014005453T5 (en) * | 2013-11-29 | 2016-08-11 | Advics Co., Ltd. | braking device |
| CN204726237U (en) * | 2015-02-12 | 2015-10-28 | 李萼辉 | Collision prevention of vehicle controller |
| CN108072875A (en) * | 2017-11-23 | 2018-05-25 | 李党 | Vehicle collision avoidance system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111483449A (en) * | 2020-04-14 | 2020-08-04 | 北京天润海图科技有限公司 | Rail car and rail car acceleration controllable braking device and method |
| CN111483449B (en) * | 2020-04-14 | 2021-11-05 | 北京天润海图科技有限公司 | Rail car and rail car acceleration controllable braking device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109334642B (en) | 2020-11-24 |
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