CN206086617U - Protector behind heavy car of two slider -crank formulas - Google Patents
Protector behind heavy car of two slider -crank formulas Download PDFInfo
- Publication number
- CN206086617U CN206086617U CN201621137326.XU CN201621137326U CN206086617U CN 206086617 U CN206086617 U CN 206086617U CN 201621137326 U CN201621137326 U CN 201621137326U CN 206086617 U CN206086617 U CN 206086617U
- Authority
- CN
- China
- Prior art keywords
- bumper
- bevel gear
- crank
- motor
- support body
- 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.)
- Expired - Fee Related
Links
Landscapes
- Gear Transmission (AREA)
Abstract
The utility model discloses a protector behind heavy car of two slider -crank formulas, the bridge stand comprises a stand bod, driving motor, a speed reducer, the crank, bumper and controller, wherein the both sides of support body are equipped with slider, the both ends of bumper are fixed on slider, can make the bumper follow the support body both sides through slider goes on sliding from top to bottom, driving motor establishes the upper end at the support body, driving motor's drive shaft is connected with the reduction gear, the output shaft both ends of reduction gear are equipped with a bevel gear and the 2nd bevel gear respectively, wherein a bevel gear meshes with the 3rd bevel gear of first transmission shaft rear end mutually, the 2nd bevel gear and the fourth bevel gear of secondary drive axle rear end mesh mutually, beneficial effect: it is with low costs, light in weight, the low power dissipation, the reaction rate is fast, and control accuracy is high, and simple to operate has stronger popularization nature, easily the marketization.
Description
Technical field
The utility model is related to a kind of heavy goods vehicles rear, more particularly to a kind of double-crank slide block type heavy goods vehicles rear defence
Protection unit.
Background technology
Currently, both at home and abroad the rear portion protector of all kinds of heavy goods vehicles uses pure rigidly connected frame for movement.I.e.
Rear bumper is directly fixedly connected with vehicle frame by support.This pure rigidly connected rear can not only affect heavy goods vehicles
By property, can damage in bad road condition downward driving because of vehicle again, so as to cause it to play safeguard function.Together
When, this traditional rear is higher apart from ground and cannot adjust the terrain clearance of rear bumper, when car or SUV etc.
When there is rear-end impact in different types of vehicle and heavy goods vehicles, it is impossible to realize good anti-piercing effect, it is impossible to effectively reduce
Accident casualty degree.All kinds of rears having been developed that at present, its is relatively costly, and effect is not notable enough, and Difficulty is big.
The content of the invention
The purpose of this utility model is that rear in order to solve current all kinds of heavy goods vehicles is relatively costly, using effect
Not enough significantly and the big problem of Difficulty and a kind of double-crank slide block type heavy goods vehicles rear for providing.
The double-crank slide block type heavy goods vehicles rear that the utility model is provided includes support body, motor, deceleration
The both sides of device, crank, bumper and controller, wherein support body are provided with carriage, and the two ends of bumper are fixed on carriage
On, by carriage bumper can be made to be slided up and down along support body both sides, motor is located at the upper end of support body, drives
The drive shaft of motor is connected with decelerator, and the output shaft of decelerator is respectively arranged at two ends with first bevel gear and second bevel gear,
Wherein first bevel gear is meshed with the third hand tap gear of the first transmission shaft rear end, second bevel gear and second driving shaft rear end
4th bevel gear is meshed, and crank is provided with two, and the upper end of two cranks is separately fixed at the first power transmission shaft and second driving shaft
Front end, the first power transmission shaft and second driving shaft synchronous axial system, the first power transmission shaft and second driving shaft can drive two cranks
Carry out relative to or rotate in opposite directions, the lower end of two cranks is equipped with slide block, and two slide blocks are located in and are fixed on bumper rear portion
On slide bar, two cranks can drive during being rotated the slide block of lower end along slide bar carry out relative or slide in opposition so as to
Bumper bar is driven to move up and down, controller is connected and controls the work of motor with motor.
Motor is closed loop servo stepper motor.
Decelerator is dual output turbine and worm decelerator.
The carriage of support body both sides is made up of chute and slide rail, and wherein slide rail is assemblied in chute, and the two of bumper
End is fixed on slide rail, drives bumper to be slided up and down along chute by slide rail.
Operation principle of the present utility model：
When controller receives the rear-end impact early warning signal of car running computer and rear bumper height signal, controller is defeated
Going out control signal makes motor rotate forward certain angle.Motor is rotated forward and is driving the reversion of reducer output shaft right side, left side just
Turn, secondary transformation motion transmission angle is rotated by first bevel gear and second bevel gear and both sides crank is driven while driving lower end
Slide block along slide bar from two ends to the identical horizontal linear distance of middle slip, and then drive rear bumper move downward finger along chute
Fixed vertical height, reaches the terrain clearance required by car running computer.Complete rear-end impact early warning requirement.
When controller receives the rear-end impact early warning ring off signal of car running computer, controller output control signal makes drive
Dynamic motor reversal certain angle.By above-mentioned principle, rear bumper will upwards move the vertical height specified along chute, arrive
Up to vehicle by required terrain clearance.Release rear-end impact early warning.
Motor, decelerator and controller are the assemblings of existing equipment, therefore, concrete model and specification do not enter one
Step is repeated.
The beneficial effects of the utility model：
The heavy goods vehicles rear that the utility model is provided adopts dual output worm type of reduction gearing, and gearratio is big, can
Reliable mechanical self-latching is realized, the secure ratcs of rear bumper is realized.Simultaneously worm type of reduction gearing is dual output, it is ensured that left and right
Slider-crank mechanism motor coordination.The lifting of rear bumper is driven using symmetrical double crank slider mechanism, after realization
The rapid lifting of bumper, and prevent stuck.Using two pairs of orthogonal installations heavy slide rail as rear bumper supporting track,
The support strength of rear bumper can be improved.The heavy goods vehicles rear low cost that the utility model is provided, lightweight, power consumption
Low, reaction speed is fast, and control accuracy is high, easy for installation, with stronger generalization, it is easy to the marketization.
Description of the drawings
Fig. 1 is protector overall structure front view described in the utility model.
Fig. 2 is protector overall structure rearview described in the utility model.
1st, support body 2, motor 3, decelerator 4, crank 5, bumper 6, controller 7, first bevel gear 8,
Two bevel gears 9, the first power transmission shaft 10, third hand tap gear 11, second driving shaft 12, the 4th bevel gear 13, slide block 14, cunning
Bar 15, chute 16, slide rail.
Specific embodiment
Refer to shown in Fig. 1 and Fig. 2：
The double-crank slide block type heavy goods vehicles rear that the utility model is provided includes support body 1, motor 2, subtracts
Fast device 3, crank 4, bumper 5 and controller 6, the both sides of wherein support body 1 are provided with carriage, and the two ends of bumper 5 are fixed on
On carriage, by carriage bumper 5 can be made to be slided up and down along the both sides of support body 1, motor 2 is located at support body
1 upper end, the drive shaft of motor 2 is connected with decelerator 3, and the output shaft of decelerator 3 is respectively arranged at two ends with the first cone tooth
Wheel 7 and second bevel gear 8, wherein first bevel gear 7 is meshed with the third hand tap gear 10 of the rear end of the first power transmission shaft 9, the second cone
Gear 8 is meshed with the 4th bevel gear 12 of the rear end of second driving shaft 11, and crank 4 is provided with two, the upper end difference of two cranks 4
It is fixed on the front end of the first power transmission shaft 9 and second driving shaft 11, the first power transmission shaft 9 and the synchronous axial system of second driving shaft 11, first
Power transmission shaft 9 and second driving shaft 11 can drive two cranks 4 to carry out relative to or rotate in opposite directions, and the lower end of two cranks 4 is all provided with
There is slide block 13, two slide blocks 13 are located in and are fixed on the slide bar 14 at the rear portion of bumper 5, the process that two cranks 4 are rotated
In the slide block 13 of lower end can be driven to carry out relative or slide in opposition so as to drive bumper bar 5 to move up and down along slide bar 14,
Controller 6 is connected and controls the work of motor 2 with motor 2.
Motor 2 is closed loop servo stepper motor.
Decelerator 3 is dual output turbine and worm decelerator.
The carriage of the both sides of support body 1 is made up of chute 15 and slide rail 16, and wherein slide rail 16 is assemblied in chute 15, is protected
The two ends of dangerous thick stick 5 are fixed on slide rail 16, drive bumper 5 to be slided up and down along chute 15 by slide rail 16.
Operation principle of the present utility model：
When controller 6 receives the altitude signal of the rear-end impact early warning signal of car running computer and rear bumper 5, control
The output control signal of device 6 makes motor 2 rotate forward certain angle.Motor 2 is rotated forward and drives the output shaft of decelerator 3 right side anti-
Turn, left side rotates forward, secondary transformation motion transmission angle is rotated by first bevel gear 7 and second bevel gear 8 and both sides crank 4 is driven
Drive the slide block 13 of lower end along slide bar 14 from two ends to the identical horizontal linear distance of middle slip simultaneously, and then drive rear bumper
5 move downward the vertical height specified along chute 15, reach the terrain clearance required by car running computer.Complete rear-end impact early warning
Require.
When controller 6 receives the rear-end impact early warning ring off signal of car running computer, the output control signal of controller 6 makes
Motor 2 inverts certain angle.By above-mentioned principle, rear bumper 5 will upwards move specify vertical along chute 15
Highly, vehicle is reached by required terrain clearance.Release rear-end impact early warning.
Motor 2, decelerator 3 and controller 6 are the assemblings of existing equipment, therefore, concrete model and specification do not have
Further repeated.
Claims (4)
1. a kind of double-crank slide block type heavy goods vehicles rear, it is characterised in that：Include support body, motor, decelerator,
The both sides of crank, bumper and controller, wherein support body are provided with carriage, and the two ends of bumper are fixed on carriage,
By carriage bumper can be made to be slided up and down along support body both sides, motor is located at the upper end of support body, drive electricity
The drive shaft of machine is connected with decelerator, and the output shaft of decelerator is respectively arranged at two ends with first bevel gear and second bevel gear, its
Middle first bevel gear is meshed with the third hand tap gear of the first transmission shaft rear end, and the of second bevel gear and second driving shaft rear end
Four bevel gears are meshed, and crank is provided with two, and the upper end of two cranks is separately fixed at the first power transmission shaft and second driving shaft
Front end, the first power transmission shaft and second driving shaft synchronous axial system, the first power transmission shaft and second driving shaft can drive two cranks to enter
Go relative to or rotate in opposite directions, the lower end of two cranks is equipped with slide block, and two slide blocks are located in the cunning for being fixed on bumper rear portion
On bar, two cranks can drive the slide block of lower end to carry out relative or slide in opposition so as to band along slide bar during being rotated
Dynamic bumper bar is moved up and down, and controller is connected and controls the work of motor with motor.
2. a kind of double-crank slide block type heavy goods vehicles rear according to claim 1, it is characterised in that：Described drive
Dynamic motor is closed loop servo stepper motor.
3. a kind of double-crank slide block type heavy goods vehicles rear according to claim 1, it is characterised in that：Described subtracts
Fast device is dual output turbine and worm decelerator.
4. a kind of double-crank slide block type heavy goods vehicles rear according to claim 1, it is characterised in that：Described frame
The carriage of body both sides is made up of chute and slide rail, and wherein slide rail is assemblied in chute, and the two ends of bumper are fixed on cunning
On rail, bumper is driven to be slided up and down along chute by slide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621137326.XU CN206086617U (en) | 2016-10-20 | 2016-10-20 | Protector behind heavy car of two slider -crank formulas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621137326.XU CN206086617U (en) | 2016-10-20 | 2016-10-20 | Protector behind heavy car of two slider -crank formulas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206086617U true CN206086617U (en) | 2017-04-12 |
Family
ID=59976420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621137326.XU Expired - Fee Related CN206086617U (en) | 2016-10-20 | 2016-10-20 | Protector behind heavy car of two slider -crank formulas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206086617U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106564459A (en) * | 2016-10-20 | 2017-04-19 | 吉林大学 | Double-crank slide block type heavy duty vehicle rear protector |
| CN110481478A (en) * | 2019-09-29 | 2019-11-22 | 交通运输部公路科学研究所 | A kind of rear of hydrogen transport vehicle |
-
2016
- 2016-10-20 CN CN201621137326.XU patent/CN206086617U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106564459A (en) * | 2016-10-20 | 2017-04-19 | 吉林大学 | Double-crank slide block type heavy duty vehicle rear protector |
| CN110481478A (en) * | 2019-09-29 | 2019-11-22 | 交通运输部公路科学研究所 | A kind of rear of hydrogen transport vehicle |
| CN110481478B (en) * | 2019-09-29 | 2024-03-19 | 交通运输部公路科学研究所 | Rear protection device of hydrogen transport vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106564459A (en) | Double-crank slide block type heavy duty vehicle rear protector | |
| CN103470302B (en) | Industrial robot used for carrying weight in mine tunnel | |
| CN205113366U (en) | Multi -functional year thing vehicle using motor | |
| CN206086617U (en) | Protector behind heavy car of two slider -crank formulas | |
| CN203237158U (en) | Lifting device of vehicle-mounted robot | |
| CN204370858U (en) | A kind of four column gantry type two-layer parking apparatus upper platen screw rod lift drive system | |
| CN202578070U (en) | Three-rail avoidance-free two-layer parking equipment | |
| CN203372382U (en) | Lifting type full-revolving contra-rotating propeller propulsor | |
| CN203344668U (en) | Vertically track rolling on and off device for road-rail vehicle | |
| CN107993464A (en) | A kind of anti-glare Multifunctional traffic signal lamp with generating function | |
| CN103895596B (en) | Heavy goods vehicles pinion and-rack secondary rear | |
| CN202850544U (en) | Gear -rack transmission pit type stereo garage | |
| CN101875371B (en) | Automobile side movement mechanism and operating method thereof | |
| CN203201201U (en) | Gear rack lifting type lifting platform of three-dimensional parking lot | |
| CN202788097U (en) | Outdoor avoiding-free three-dimensional parking garage | |
| CN103171696B (en) | A kind of electric spider car and carriage for children | |
| CN201883734U (en) | Improved synchronous-lifting transmission system device of parking garage | |
| CN205975404U (en) | Road limit for height door | |
| CN215097510U (en) | Novel semitrailer of multi-functional container transportation skeleton | |
| CN211619870U (en) | Overhead working truck pit hole protection device | |
| CN214057239U (en) | Shield tunnel is with preventing swift current car device | |
| CN202966427U (en) | All-direction automatic steering device | |
| CN201495812U (en) | Four-point synchronous lifting and transmission system device of parking garage | |
| CN203920656U (en) | Heavy goods vehicles pinion and-rack secondary rear | |
| CN109854021B (en) | Aerial emergency parking space |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20211020 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |