CN103895596A - Heavy-duty vehicle gear-rack type secondary rear protection device - Google Patents
Heavy-duty vehicle gear-rack type secondary rear protection device Download PDFInfo
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- CN103895596A CN103895596A CN201410155162.2A CN201410155162A CN103895596A CN 103895596 A CN103895596 A CN 103895596A CN 201410155162 A CN201410155162 A CN 201410155162A CN 103895596 A CN103895596 A CN 103895596A
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Abstract
The invention discloses a heavy-duty vehicle gear-rack type secondary rear protection device which aims to solve the problems that in the prior art, a rear protection device is easily damaged and fails, a rear vehicle easily drives in, the weight is high and cost is high. The secondary rear protection device comprises a protection device frame, a main protection transmission shaft assembly, an auxiliary protection transmission shaft assembly, a main protection sliding way assembly, a main protection rear bumper assembly, an auxiliary protection rear bumper assembly, a sensor controller assembly and a dual-output motor. According to the heavy-duty vehicle gear-rack type intelligent secondary rear protection device, a stepping motor and a mechanical transmission device are adopted to control a main rear bumper and an auxiliary rear bumper of a heavy-duty vehicle, gear drive and gear rack drive are adopted to apply output torque of the dual-output motor to the main protection rear bumper and the auxiliary protection rear bumper, the main protection rear bumper and the auxiliary protection rear bumper are controlled to move linearly, and the ground clearance of the rear protection device can be adjusted according to actual operating conditions. The rear protection device is sturdy, durable, long in service life, simple in structure, convenient to install, low in cost and easy to marketize.
Description
Technical field
The present invention relates to a kind ofly for the secondary rear on vehicle, or rather, the present invention relates to a kind of heavy goods vehicles pinion and-rack secondary rear.
Background technology
At present, the domestic and international research about heavy-duty vehicle rear, mainly based on Purely mechanical rear, after itself and heavy goods vehicles, vehicle frame is for being rigidly connected, it not only affects the crossing ability of heavy goods vehicles, can sail the damage that causes rear because of vehicle is up on severe ground again, cannot ensure the safeguard function that it is good.In addition, because the rear protecting of heavy-duty vehicle is higher apart from ground, in the time that the vehicle of the type such as car or cross-country car and heavy goods vehicles knock into the back, easily cause the vehicle such as car or cross-country car " to pierce " heavy goods vehicles rear overhang part, cause great injures and deaths.Meanwhile, on the basis in the test of the adjustable rear protecting of existing heavy goods vehicles pinion and-rack with test cell, improved design heavy goods vehicles pinion and-rack secondary rear.
Adopt electromechanical integration technology both can, in the safety that ensures when collision front vehicle, can improve again the crossing ability of vehicle, protection vehicle is in the time normally travelling, and its rear is difficult for damaging.Current part vehicle rear, can't pass through the relevant laws and regulations of vehicle rear protecting.In addition, the adjustable vehicle rear protecting based on electromechanical integration of having developed at present, its cost is higher, and weight is larger, is also difficult for universal and promotes.Above-mentioned phenomenon has produced adverse effect for the life-span of vehicle safety, rear and the crossing ability of vehicle.
Summary of the invention
Technical matters to be solved by this invention is to have overcome prior art to have rear protecting fragile inefficacy, rear car easily pierces, weight is large, cost is high problem, a kind of heavy goods vehicles pinion and-rack secondary rear is provided, this device can also, according to the application rear overhang length of vehicle and the longitudinal length of this protective device of height adjustment and rear bumper terrain clearance, be applied in all heavy goods vehicles.
For solving the problems of the technologies described above, the present invention adopts following scheme to realize:
A kind of heavy goods vehicles pinion and-rack secondary rear of the present invention, comprise a protecting device frame, there is supporting plate at the middle part of protecting device frame, protecting device frame front and rear top is separately installed with front attached plate and rear attached plate, it is characterized in that described heavy goods vehicles pinion and-rack secondary rear also comprises main protection driving-shaft assembly, secondary protection driving-shaft assembly, main protection slideway assembly, main protection rear bumper assembly, secondary protection rear bumper assembly, sensor controller assembly and dual-output motor motor.Dual-output motor is arranged on supporting plate midway location, the rear mouth of dual-output motor is connected with No. 1 imput shaft in main protection driving-shaft assembly, No. 1 driving shaft gear in No. 1 imput shaft engages with No. 1 countershaft-gear on right side, No. 1 countershaft-gear opposite side engages with No. 2 driven shaft gears on No. 2 driven shafts, No. 2 driving shaft gears in No. 1 imput shaft engage with No. 1 driven shaft gear on No. 1 driven shaft, the axis body of No. 1 driven shaft and No. 2 driven shafts is through rear attached plate and in rear attached plate outside, No. 1 lifter wheel and No. 2 lifter wheels are housed respectively, No. 1 lifter wheel and No. 2 lifter wheels engage with No. 1 driving rack and No. 2 driving racks in main protection slideway assembly respectively, No. 1 driving rack and No. 2 driving racks outsides are fixed by the left pipe link of main protection rear bumper and the right pipe link of main protection rear bumper and main protection rear bumper respectively, the front mouth of dual-output motor is connected with No. 2 imput shaft in secondary protection driving-shaft assembly, No. 3 driving shaft gears in No. 2 imput shaft engage with No. 2 countershaft-gears on right side, No. 2 countershaft-gear opposite side engages with No. 4 driven shaft gears on No. 4 driven shafts, No. 3 driving shaft gears in No. 2 imput shaft engage with No. 3 driven gears on No. 3 driven shafts, the axis body of No. 3 driven shafts and No. 4 driven shafts is through front attached plate and in front attached plate outside, No. 3 lifter wheels and No. 4 lifter wheels are housed respectively, No. 3 lifter wheels and No. 4 lifter wheels engage with No. 3 driving racks and No. 4 driving racks in pair protection slideway assembly respectively, No. 3 driving racks and No. 4 driving rack outsides are protected the left pipe link of rear bumper and the right pipe link of secondary protection rear bumper and secondary protection rear bumper by pair and are fixed, in described sensor controller assembly, radar is arranged on rear attached plate middle part, motor driver is arranged on the right side of dual-output motor, controller is on the right side of motor driver, motor driver and controller are fixedly mounted on supporting plate, the signal input terminal of controller is connected with radar signal lead-out terminal, the signal input terminal of controller signals lead-out terminal and motor driver is connected, the signal output terminal of motor driver is connected with dual-output motor signal input terminal.
Further technical scheme comprises: the rear mouth of described dual-output motor is connected with No. 1 imput shaft by No. 1 plum coupling, and the front mouth of dual-output motor is connected with No. 2 imput shaft by No. 2 plum couplings.
In described main protection slideway assembly, the left slideway of main protection is fixed by bolts in the left protective folder of main protection, and the left protective folder of main protection is fixed by bolts in rear attached plate; The right slideway of main protection is fixed by bolts in the right protective folder of main protection, and the right protective folder of main protection is fixed by bolts in rear attached plate;
In described pair protection slideway assembly, the left slideway of secondary protection is fixed by bolts in the left protective folder of secondary protection, and the left protective folder of secondary protection is fixed by bolts in front attached plate; The right slideway of secondary protection is fixed by bolts in the right protective folder of secondary protection, and the right protective folder of secondary protection is fixed by bolts in front attached plate;
Compared with prior art the invention has the beneficial effects as follows:
1. heavy goods vehicles pinion and-rack secondary rear of the present invention adopts stepping motor and mechanical drive to control heavy car owner, secondary rear bumper, and then can regulate according to actual condition the terrain clearance of rear protecting.
2. heavy goods vehicles pinion and-rack secondary rear of the present invention is sturdy and durable, and the life-span is long.
3. heavy goods vehicles pinion and-rack secondary rear of the present invention is simple in structure, easy for installation.In addition, the cost of pinion and-rack of the present invention is adjustable vehicle secondary rear is lower, is easy to the marketization.
4. heavy goods vehicles pinion and-rack secondary rear of the present invention is safe and reliable, and the output signal of stepping motor is highly sensitive, and precision is high.
5. the transmission device part of heavy goods vehicles pinion and-rack secondary rear of the present invention can and highly be transformed according to the rear overhang length of vehicle used, and transformation process is convenient and simple, applied range.
6. heavy goods vehicles pinion and-rack secondary rear of the present invention has the more multi-functional of early warning, test, demonstration, both can be for the performance of testing vehicle rear, and also can be for teaching demonstration teaching aid.
7. heavy goods vehicles pinion and-rack secondary rear of the present invention adopts the start-stop of step motor control mechanism, adopts gear transmission, rack-and-gear transmission the output torque of motor to be imposed on respectively to major and minor protection rear bumper, and control its straight-line motion.This structure can be used for needing using in the machinery of this type of conversion, has stronger replicability.
8. heavy goods vehicles pinion and-rack secondary rear of the present invention, the major and minor protection rear bumper of employing is bionical bumper/spoiler, compares the existing rectangular beam bumper/spoiler performance of generally applying better in heavy goods vehicles, low price.
Brief description of the drawings
Fig. 1 is the axonometric projection graph of heavy goods vehicles pinion and-rack secondary rear structure composition of the present invention;
Fig. 2 is the birds-eye view of heavy goods vehicles pinion and-rack secondary rear structure composition of the present invention;
Fig. 3 is the assembly relation schematic diagram of No. 1 driven shaft and No. 1 driven gear and No. 1 lifter wheel in heavy goods vehicles pinion and-rack secondary rear of the present invention, No. 2 driven shafts and No. 2 driven gears and No. 2 lifter wheels;
Fig. 4 is the axonometric projection graph of relative Fig. 3 Rotate 180 °;
The assembly relation schematic diagram of No. 1 imput shaft and No. 2 imput shaft and dual-output motor in Fig. 5 heavy goods vehicles pinion and-rack of the present invention secondary rear;
Fig. 6 is No. 1 tween drive shaft and No. 1 countershaft-gear assembly relation schematic diagram in heavy goods vehicles pinion and-rack secondary rear of the present invention;
Fig. 7 is the axonometric projection graph of main skid assembly and main protection rear bumper assembly structure composition in heavy goods vehicles pinion and-rack secondary rear of the present invention;
Fig. 8 is the axonometric projection graph of sensor controller assembly composition in heavy goods vehicles pinion and-rack secondary rear of the present invention
Fig. 9 is the relative Fig. 8 Rotate 180 ° axonometric projection graph of axonometric projection graph of sensor controller assembly composition in heavy goods vehicles pinion and-rack secondary rear of the present invention
Figure 10 is secondary protection slideway assembly and the secondary axonometric projection graph that protects rear bumper assembly structure composition in heavy goods vehicles pinion and-rack secondary rear platform of the present invention;
In figure: 1. protecting device frame, 2. supporting plate, 3. attached plate after, 4. front attached plate, 5. dual-output motor, 6. motor driver, 7. controller, No. 8.1 driven shaft gears, No. 9.1 lifter wheels, 10.1 number driven shaft, 11.1 number plum coupling, 12.1 number driving shaft gear, 13.1 number imput shaft, 14.2 number driving shaft gear, 15.1 number countershaft-gear, 16.1 number tween drive shaft, 17.2 number driven shaft, 18.2 number lifter wheel, 19.2 number driven shaft gear, 20.1 number driving rack, the left slideway of 21. main protection, the left protective folder of 22. main protection, 23.2 number driving rack, the right slideway of 24. main protection, the right protective folder of 25. main protection, 26. main protection rear bumpers, the left pipe link of 27. main protection rear bumper, the right pipe link of 28. main protection rear bumper, 29.3 number driven shaft, 30.3 number driven shaft gear, 31.3 number lifter wheel, 32.2 number main driving axle, 33.2 number plum coupling, 34.3 number driving shaft gear, 35.4 number driving shaft gear, 36.2 number tween drive shaft, 37.2 number countershaft-gear, 38.4 number driven shaft, 39.4 number driven shaft gear, 40.4 number lifter wheel, 41.3 number driving rack, the left slideway of 42. secondary protection, the left protective folder of 43. secondary protection, 44.4 number driving rack, the right slideway of 45. secondary protection, the right protective folder of 46. secondary protection, 47. secondary protection rear bumpers, the left pipe link of 48. secondary protection rear bumper, the right pipe link of 49. secondary protection rear bumper, 50. radars.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is explained in detail:
Consult Fig. 1 and Fig. 2, heavy goods vehicles pinion and-rack secondary rear of the present invention comprises a protecting device frame 1, main protection driving-shaft assembly, secondary protection driving-shaft assembly, main protection slideway assembly, main protection rear bumper assembly, secondary protection slideway assembly, secondary protection rear bumper assembly, sensor controller assembly and dual-output motor 5, the middle part of described protecting device frame 1 is provided with supporting plate 2, supporting plate 2 is all a rectangular plate, respectively cuts a square at Qi Sijiao place.Protecting device frame 1 front and rear is separately installed with front attached plate 4 and rear attached plate 3.Rear attached plate 3 and front attached plate 4 all have the hole of 2 diameter 200mm, after four corner edge places have 4 apertures and are conveniently fixed in attached plate 3, rear attached plate 3 before attached plate 4 opened 4 apertures at center position more and facilitated fixed radar 50.
Consult Fig. 3 and Fig. 4,8 and No. 2 driven shaft gears 19 of No. 1 driven shaft gear are that modulus is 3.5 straight gear, and on centre hole, have driven keyway; 10 and No. 2 driven shafts 17 of No. 1 driven shaft are stepped shaft, bearing torque transferring power;
The front end face of the shaft shoulder No. 1 driven shaft gear 8 of assembly unit, sleeve, bearing, bearing successively on No. 1 driven shaft 10, and ensure that its end contact connects, then bearing is fixed on to supporting plate 2 upper left sides; The aft end face place of shaft shoulder assembly unit sleeve, bearing, bearing successively on No. 1 driven shaft 10, and ensure that its end contact connects, bearing model is on the rear attached plate 3 PATENT left side via front end faces of being bolted to of M6, finally No. 1 lifter wheel 9 is arranged on No. 1 driven shaft 10, ensure that No. 1 lifter wheel 9 has 1cm gap along axis direction and rear attached plate 3, axle head model is that outer-hexagonal M30 nut is fixed.19 and No. 1 countershaft-gear 15 of No. 2 driven shaft gears engages.The front end face of the shaft shoulder No. 2 driven shaft gears 19 of assembly unit, sleeve, bearing, bearing successively on No. 2 driven shafts 17, and ensure that its end contact connects, then be that bearing is fixed on right side on supporting plate 2 by the bolt of M6 by model.The aft end face place of shaft shoulder assembly unit sleeve, bearing, bearing successively on No. 2 driven shafts 17, and ensure that its end contact connects, bearing model is on the rear attached plate 3 right side through hole front end faces of being bolted to of M6, finally No. 2 lifter wheels 18 are arranged on No. 2 driven shafts 17, ensure that No. 2 lifter wheels 18 have 1cm gap along axis direction and rear attached plate 3, axle head model is that outer-hexagonal M30 nut is fixed.
The front end face of the shaft shoulder No. 3 driven shaft gears 30 of assembly unit, sleeve, bearing, bearing successively on No. 3 driven shafts 29, and ensure that its end contact connects, then bearing is fixed on to supporting plate 2 upper left sides; The aft end face place of shaft shoulder assembly unit sleeve, bearing, bearing successively on No. 3 driven shafts 29, and ensure that its end contact connects, bearing model is on the front attached plate 4 PATENT left side via front end faces of being bolted to of M6, finally No. 3 lifter wheels 31 are arranged on No. 3 driven shafts 29, ensure that No. 3 lifter wheels 31 have 1cm gap along axis direction and front attached plate 4, axle head model is that outer-hexagonal M30 nut is fixed.39 and No. 2 countershaft-gears 37 of No. 4 driven shaft gears engage.The front end face of the shaft shoulder No. 4 driven shaft gears 39 of assembly unit, sleeve, bearing, bearing successively on No. 4 driven shafts 38, and ensure that its end contact connects, then be that bearing is fixed on right side on supporting plate 2 by the bolt of M6 by model.The aft end face place of shaft shoulder assembly unit sleeve, bearing, bearing successively on No. 4 driven shafts 38, and ensure that its end contact connects, bearing model is on the front attached plate 4 right side through hole front end faces of being bolted to of M6, finally No. 4 lifter wheels 40 are arranged on No. 4 driven shafts 38, ensure that No. 4 lifter wheels 38 have 1cm gap along axis direction and front attached plate 4, axle head model is that outer-hexagonal M30 nut is fixed.
Consult Fig. 5, the model of dual-output motor 5 is BSHB364, and motor support base is a non-symmetrical U plate, opens a large through-hole and around it, open 4 apertures in the center of long slab upper end, convenient fixing dual-output motor 5; 13 and No. 2 imput shaft 33 of No. 1 imput shaft are stepped shaft, have 3 keyways, are convenient to fixed gear wheel and are connected dual-output motor 5.No. 1 plum coupling 11 and model identical with No. 2 plum coupling 33 structures is all BF1_16x19; The model of bearing is all 30208 deep groove ball bearings.
In described sensor controller assembly, dual-output motor 5 is arranged on motor support base, and motor base is fixed on midway location on supporting plate 2 by the bolt that is M6 by model, finally guarantees that 13, No. 2 imput shaft 32 of No. 1 imput shaft, dual-output motor 5 are coaxial.In No. 1 imput shaft 13, the front end face place of the shaft shoulder assembles No. 1 driving shaft gear 12, sleeve, bearing, bearing successively, and ensures that its end contact connects, then with the bolt of M6, bearing is fixed on to the dead aft of dual-output motor 5 on supporting plate 2; Dual-output motor 5 rear output shafts are connected by No. 1 plum coupling 11 with No. 1 imput shaft 13 again.In No. 1 imput shaft 13, the aft end face place of the shaft shoulder assembles No. 2 driving shaft gears 14, sleeve, bearing, bearing successively, and ensures that its end contact connects, then with the bolt of M6, bearing is fixed on to the dead aft of dual-output motor 5 on supporting plate 2.In No. 2 imput shaft 32, the aft end face place of the shaft shoulder assembles No. 3 driving shaft gears 34, sleeve, bearing, bearing successively, and ensures that its end contact connects, then with the bolt of M6, bearing is fixed on to the dead ahead of dual-output motor 5 on supporting plate 2; Dual-output motor 5 front output shafts are connected by No. 2 plum couplings 33 with No. 2 imput shaft 32 again.In No. 2 imput shaft 32, the front end face place of the shaft shoulder assembles No. 4 driving shaft gears 35, sleeve, bearing, bearing successively, and ensures that its end contact connects, then with the bolt of M6, bearing is fixed on to the dead ahead of dual-output motor 5 on supporting plate 2.
Consult Fig. 6, No. 1 tween drive shaft 16 is stepped shaft that have keyway; No. 1 countershaft-gear 15 is that modulus is 3.5 straight gear; The model of the bearing of No. 1 tween drive shaft 16 is all deep groove ball bearings of 30208; No. 2 tween drive shaft 36 is identical with No. 1 tween drive shaft 16; No. 2 countershaft-gear 37 is identical with No. 1 countershaft-gear 15; The model of the bearing of No. 2 tween drive shafts 36 is all deep groove ball bearings of 30208.
15 and No. 1 driving shaft gear 12 of No. 1 countershaft-gear engages.The front end face place of No. 1 tween drive shaft 16 shaft shoulders assembles sleeve, bearing, bearing, end cap successively, and ensures that its end contact connects, then bearing is fixed on to right side on supporting plate 2 with the bolt of M6; The aft end face place of No. 1 tween drive shaft 16 shaft shoulders assembles No. 1 countershaft-gear 15, sleeve, bearing, bearing, end cap successively, and ensures that its end contact connects, then is that bearing is fixed on right side on supporting plate 2 by the bolt of M6 by model.37 and No. 3 driving shaft gears 34 of No. 2 countershaft-gears engage.The aft end face place of No. 2 tween drive shaft 36 shaft shoulders assembles sleeve, bearing, bearing, end cap successively, and ensures that its end contact connects, then bearing is fixed on to right side on supporting plate 2 with the bolt of M6; The front end face place of No. 2 tween drive shaft 36 shaft shoulders assembles No. 2 countershaft-gears 37, sleeve, bearing, bearing, end cap successively, and ensures that its end contact connects, then is that bearing is fixed on right side on supporting plate 2 by the bolt of M6 by model.
Main protection slideway assembly and main protection rear bumper assembly are by the left protective folder 22 of main protection, 20, No. 2 driving racks 23 of 21, No. 1 driving rack of the left slideway of main protection, the right slideway 24 of main protection, the right protective folder 25 of main protection, main protection rear bumper 26, tooth bar and the left pipe link 27 of main protection rear bumper, tooth bar and the right pipe link 28 of main protection rear bumper.
In main protection slideway assembly and main protection rear bumper assembly, the left protective folder 22 of main protection, the right protective folder 25 of main protection are all non-symmetrical U-shaped plates; The left slideway 21 of main protection, the right slideway 24 of main protection have the rectangle frame of 40 groups of cylinder small rollers in being all; The 30*30 section bar that the left pipe link 27 of main protection rear bumper and the right pipe link 28 of main protection rear bumper are all long 365mm; The modulus of 20 and No. 2 driving racks 23 of No. 1 driving rack is all 3.5, for meeting, needs is installed, and has aperture at the opposite side of tooth.The model that connects the corner fittings of use is 003.QJY3030-90.
The bolt that the left slideway 21 use models of main protection are M6 is fixed in the left protective folder 22 of main protection, ensures that 20 and No. 1 lifter wheel 9 of No. 1 driving rack is meshed, then is in the rear attached plate 3 of being bolted to of M6 by left main protection protective folder 22 use models; The left pipe link 27 of main protection rear bumper is connected by corner fittings with No. 1 driving rack 20; The bolt that the right slideway 24 use models of main protection are M6 is fixed in the right protective folder 25 of main protection, ensures that 23 and No. 2 lifter wheels 18 of No. 2 driving racks are meshed, then is in the rear attached plate 3 of being bolted to of M6 by right main protection protective folder 25 use models; 28 and No. 2 driving racks 23 of the right pipe link of main protection rear bumper are fixed by corner fittings; Main protection rear bumper 26 is fixed by corner fittings with the left pipe link 27 of main protection rear bumper and the right pipe link 28 of main protection rear bumper respectively.
Secondary protection slideway assembly and secondary protection rear bumper assembly protect left protective folder 43,42, No. 3 driving racks 41 of the left slideway of secondary protection, 45, No. 4 driving racks 44 of the right slideway of secondary protection, the right protective folder 46 of secondary protection, secondary protection rear bumper 47, tooth bar and the left pipe link 48 of secondary protection rear bumper, tooth bar and the right pipe link 49 of secondary protection rear bumper by pair and form.
In pair protection slideway assembly and main protection rear bumper assembly, the left protective folder 43 of secondary protection, the right protective folder 46 of secondary protection are all non-symmetrical U-shaped plates; In the left slideway 42 of secondary protection, the right slideway 45 of secondary protection, it is the rectangle frame of 40 groups of cylinder small rollers; The 30*30 section bar that the left pipe link 48 of secondary protection rear bumper and the right pipe link 49 of secondary protection rear bumper are all long 365mm; The modulus of 41 and No. 4 driving racks 44 of No. 3 driving racks is all 3.5, for meeting, needs is installed, and has aperture at the opposite side of tooth.The model that connects the corner fittings of use is 003.QJY3030-90.
The bolt that left slideway 42 use the models of secondary protection are M6 is fixed in secondary protection in left protective folder 43, ensures that 41 and No. 3 lifter wheels 31 of No. 3 driving racks are meshed, then pair is protected to left protective folder 43 use models is in the front attached plate 4 of being bolted to of M6; The left pipe link 48 of secondary protection rear bumper is connected by corner fittings with No. 3 driving racks 41; The bolt that right slideway 45 use the models of secondary protection are M6 is fixed in secondary protection in right protective folder 46, ensures that 44 and No. 4 lifter wheels 40 of No. 4 driving racks coordinate, then pair is protected to right protective folder 46 use models is in the front attached plate 4 of being bolted to of M6; 49 and No. 4 driving racks 44 of the secondary protection right pipe link of rear bumper are fixed by corner fittings; Secondary protection rear bumper 47 protects left pipe link 48 with pair respectively and the right pipe link 49 of secondary protection is fixed by corner fittings.
Consult Fig. 8 and Fig. 9, described sensor controller assembly is made up of radar 50, dual-output motor 5, motor driver 6 and controller 7;
The model of the radar 50 in sensor controller assembly is DELPHI ESR high-frequency electronic scanned radars, and emission band is 76-77GHz.This radar has middle distance and remote scan capability simultaneously, and refresh rate is 50 milliseconds, and wherein maximum to detect distance be 50m to middle distance, and accuracy rate is ± 0.25m, and relative velocity scope is-100 to 25m/s, and accuracy rate is ± 0.12m/s; Long distance is maximum, and to detect distance is 100m, and accuracy rate is ± 0.5m, and relative velocity scope is-100 to 25m/s, and accuracy rate is ± 0.12m/s.The model of dual-output motor 5 is BSHB364, exports torque before and after can meeting simultaneously.The model of motor driver 6 is 3M2060, drives dual-output motor 5 to rotate;
Contrasting function and the principle of work of accompanying drawing to the each parts of the present invention is below further described.
Consult Fig. 1 and Fig. 2, consider from traffic safety angle, when Ben Che and front vehicle spacing are less than 20m, reduce the terrain clearance of main protection rear bumper 26 and secondary protection rear bumper 47 simultaneously; And when front vehicle spacing is greater than 20m simultaneously the relative speed of a motor vehicle of two cars is less than 10m/s, increase the terrain clearance of main protection rear bumper 26 and secondary protection rear bumper 47, and utilize C to write corresponding rear protecting bumper height to regulate control algorithm.Utilize micro controller system to regulate control algorithm program to download in controller 7 height writing in advance, in actual driving process, radar 50 monitorings and front vehicle spacing, controller 7 receives the signal that radar 50 gathers, and control the motor driver 6 that model is 3M2060, to drive dual-output motor 5 to rotate.The rotation of dual-output motor 5 drives the motion of 2 groups of mechanisms:
One, the plum coupling 11 that the rear portion output shaft of dual-output motor 5 is BF1_16x19 by model drives 12, No. 2 driving shaft gears 14 of No. 1 driving shaft gear that are assemblied in No. 1 imput shaft 13 along self axis rotation; No. 1 driving shaft gear 12 drives No. 1 countershaft-gear 15 along himself axis rotation by the engaged transmission of gear, No. 1 countershaft-gear 15 drives No. 2 driven shaft gears 19 along self axis rotation by the engaged transmission of gear, and No. 2 driven shaft gear 19 drives No. 2 lifter wheels 18 along self axis rotation by No. 2 driven shafts 17; No. 2 driving shaft gear 14 drives No. 1 driven shaft gear 8 along himself axis rotation by the engaged transmission of gear, and No. 1 driven shaft gear 8 drives No. 1 lifter wheel 9 along self axis rotation by No. 1 driven shaft 10.
No. 1 lifter wheel 9 engages with No. 1 driving rack 20, drives No. 1 driving rack 20 to do straight-line motion along vertical supporting plate 2 directions; No. 2 lifter wheel 18 engages with No. 2 driving racks 23, drives No. 2 driving racks 23 to do straight-line motion along vertical supporting plate 2 directions.20, No. 2 driving racks of No. 1 driving rack 23 are common drives main protection rear bumper 26 to be synchronized with the movement, and realizes the height adjustable function of main protection rear bumper 26.
Its two, the front output shaft of dual-output motor 5 is that BF1_16x19 plum coupling 33 drives 34, No. 4 driving shaft gears 35 of No. 3 driving shaft gears that are assemblied in No. 2 imput shaft 32 along self axis rotation by model; No. 4 driving shaft gear 35 drives No. 3 driven shaft gears 30 along himself axis rotation by the engaged transmission of gear, and No. 3 driven shaft gear 30 drives No. 3 lifter wheels 31 along self axis rotation by No. 3 driven shafts 29; No. 3 driving shaft gears 34 No. 2 countershaft-gears 37 of engaged transmission by gear are along himself axis rotation, No. 2 countershaft-gear 37 drives No. 4 driven shaft gears 39 along self axis rotation by the engaged transmission of gear, and No. 4 driven shaft gear 39 drives No. 4 lifter wheels 40 along self axis rotation by No. 4 driven shafts 38;
No. 3 lifter wheel 31 engages with No. 3 driving racks 41, drives No. 3 driving racks 41 to do straight-line motion along vertical supporting plate 2 directions; No. 4 lifter wheel 40 engages with No. 4 driving racks 44, drives No. 4 driving racks 44 to do straight-line motion along vertical supporting plate 2 directions; The last common pair protection rear bumper 47 that drives of 41, No. 4 driving racks of No. 3 driving racks 44 is synchronized with the movement, and realizes secondary protection rear bumper 47 highly adjustable.
Claims (4)
1. heavy goods vehicles pinion and-rack secondary rear, comprise a protecting device frame (1), there is supporting plate (2) at the middle part of protecting device frame (1), protecting device frame (1) front and rear top is separately installed with front attached plate (4) and rear attached plate (3), it is characterized in that described heavy goods vehicles pinion and-rack secondary rear also comprises main protection driving-shaft assembly, secondary protection driving-shaft assembly, main protection slideway assembly, main protection rear bumper assembly, secondary protection rear bumper assembly, sensor controller assembly and dual-output motor motor (5).Dual-output motor (5) is arranged on supporting plate (2) midway location, the rear mouth of dual-output motor (5) is connected with No. 1 imput shaft (13) in main protection driving-shaft assembly, No. 1 driving shaft gear (12) in No. 1 imput shaft (13) engages with No. 1 countershaft-gear (15) on right side, No. 1 countershaft-gear (15) opposite side engages with No. 2 driven shaft gears (19) on No. 2 driven shafts (17), No. 2 driving shaft gears (14) in No. 1 imput shaft (13) engage with No. 1 driven shaft gear (8) on No. 1 driven shaft (10), the axis body of No. 1 driven shaft (10) and No. 2 driven shafts (17) is through rear attached plate (3) and in rear attached plate (3) outside, No. 1 lifter wheel (9) and No. 2 lifter wheels (18) are housed respectively, No. 1 lifter wheel (9) and No. 2 lifter wheels (18) engage with No. 1 driving rack (20) and No. 2 driving racks (23) in main protection slideway assembly respectively, No. 1 driving rack (20) and No. 2 driving racks (23) are respectively by the left pipe link of main bumper (27), the right pipe link of main bumper (28) is connected with main bumper (26), the front mouth of dual-output motor (5) is connected with No. 2 main driving axles (32) in secondary protection driving-shaft assembly, No. 3 driving shaft gears (34) in No. 2 imput shaft (32) engage with No. 2 countershaft-gears (37) on right side, No. 2 countershaft-gears (37) opposite side engages with No. 4 driven shaft gears (39) on No. 4 driven shafts (38), No. 4 driving shaft gears (35) in No. 2 imput shaft (32) engage with No. 3 driven shaft gears (30) on No. 3 driven shafts (29), the axis body of No. 3 driven shafts (29) and No. 4 driven shafts (38) is through front attached plate (4) and in front attached plate (4) outside, No. 3 lifter wheels (31) and No. 4 lifter wheels (40) are housed respectively, No. 3 lifter wheels (31) and No. 4 lifter wheels (40) engage with No. 3 driving racks (41) and No. 4 driving racks (44) in pair protection slideway assembly respectively, No. 3 driving racks (41) are connected with secondary bumper (47) with the right pipe link of secondary bumper (49) by the left pipe link of secondary bumper (48) with No. 4 driving racks (44), in described sensor controller assembly, radar (50) is arranged on rear attached plate (3) middle part, motor driver (6) is arranged on the right side of dual-output motor (5), controller (7) is on the right side of motor driver (6), motor driver (6) and controller (7) are fixedly mounted on supporting plate (2), the signal input terminal of controller (7) is connected with radar (50) signal output terminal, controller (7) signal output terminal is connected with the signal input terminal of motor driver (6), the signal output terminal of motor driver (6) is connected with dual-output motor (5) signal input terminal.
2. a kind of heavy goods vehicles pinion and-rack secondary rear according to claim 1, the rear mouth that it is characterized in that described dual-output motor (5) is connected by No. 1 plum coupling (11) and No. 1 imput shaft (13), and the front mouth of dual-output motor (5) is connected with No. 2 imput shaft (32) by No. 2 plum couplings (33).
3. a kind of heavy goods vehicles pinion and-rack secondary rear according to claim 1, it is characterized in that in described main protection slideway assembly, the left slideway of main protection (21) is fixed by bolts in the left protective folder of main protection (22), the left protective folder of main protection (22) is fixed by bolts in rear attached plate (3); The right slideway of main protection (24) is fixed by bolts in the right protective folder of main protection (25), and the right protective folder of main protection (25) is fixed by bolts in rear attached plate (3).
4. a kind of heavy goods vehicles pinion and-rack secondary rear according to claim 1, it is characterized in that in described pair protection slideway assembly, the left slideway of secondary protection (42) is fixed by bolts in the left protective folder of secondary protection (43), the left protective folder of secondary protection (22) is fixed by bolts in front attached plate (4); The right slideway of secondary protection (45) is fixed by bolts in the right protective folder of secondary protection (46), and the right protective folder of secondary protection (46) is fixed by bolts in front attached plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410155162.2A CN103895596B (en) | 2014-04-17 | 2014-04-17 | Heavy goods vehicles pinion and-rack secondary rear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410155162.2A CN103895596B (en) | 2014-04-17 | 2014-04-17 | Heavy goods vehicles pinion and-rack secondary rear |
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| CN103895596A true CN103895596A (en) | 2014-07-02 |
| CN103895596B CN103895596B (en) | 2015-12-09 |
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Cited By (4)
| 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 |
| CN107351795A (en) * | 2017-08-28 | 2017-11-17 | 吉林大学 | The main passive security of heavy-duty car integrates rear |
| CN108454392A (en) * | 2018-04-12 | 2018-08-28 | 青岛千钧投资企业（有限合伙） | Electric vehicle motor transmission system |
| CN108482287A (en) * | 2018-05-04 | 2018-09-04 | 吉林大学 | A kind of automatic emergency rear and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106564459A (en) * | 2016-10-20 | 2017-04-19 | 吉林大学 | Double-crank slide block type heavy duty vehicle rear protector |
| CN107351795A (en) * | 2017-08-28 | 2017-11-17 | 吉林大学 | The main passive security of heavy-duty car integrates rear |
| CN108454392A (en) * | 2018-04-12 | 2018-08-28 | 青岛千钧投资企业（有限合伙） | Electric vehicle motor transmission system |
| CN108482287A (en) * | 2018-05-04 | 2018-09-04 | 吉林大学 | A kind of automatic emergency rear and method |
| CN108482287B (en) * | 2018-05-04 | 2023-06-06 | 吉林大学 | Automatic emergency back protection device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103895596B (en) | 2015-12-09 |
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Inventor after: Zhao Jian Inventor after: Su Yunfu Inventor after: Zhu Bing Inventor after: Sun Bohua Inventor after: Han Jiayi Inventor after: Shan Jingwei Inventor before: Zhao Jian Inventor before: Su Yunfu Inventor before: Zhu Bing Inventor before: Sun Bohua Inventor before: Han Jiayi Inventor before: Shan Jingwei |
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