CN103144593A - Vehicle gear and rack type adjustable back protecting device - Google Patents
Vehicle gear and rack type adjustable back protecting device Download PDFInfo
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- CN103144593A CN103144593A CN2013100923017A CN201310092301A CN103144593A CN 103144593 A CN103144593 A CN 103144593A CN 2013100923017 A CN2013100923017 A CN 2013100923017A CN 201310092301 A CN201310092301 A CN 201310092301A CN 103144593 A CN103144593 A CN 103144593A
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Abstract
The invention discloses a gear and rack type vehicle adjustable back protecting device and aims at solving the problems that in the prior art, the cost is higher, the weight is heavier, and the generalization and the popularization are difficult. The gear and rack type vehicle adjustable back protecting device comprises a first shaft assembly, a second shaft assembly, a third shaft assembly, a fourth shaft assembly, a left slideway assembly, a right slideway assembly and a vehicle frame back lattice, wherein the third shaft assembly is arranged in the middle position of the vehicle frame back lattice, the first shaft assembly is arranged at the right side of the vehicle frame back lattice, the fourth shaft assembly is arranged at the left side of the third shaft assembly, the second shaft assembly is arranged between the first shaft assembly and the third shaft assembly, a first shaft transmission gear of the first shaft assembly is engaged with a second shaft transmission gear of the second shaft assembly, the second shaft transmission gear of the second shaft assembly is engaged with a No. 2 third shaft transmission gear of the third shaft assembly, a No. 1 third shaft transmission gear of the third shaft assembly is engaged with a fourth shaft transmission gear of the fourth shaft assembly, and the left slideway assembly and the right slideway assembly which are arranged on the left side surface and the right side surface of the vehicle frame back lattice are respectively engaged and connected with the fourth shaft assembly and the first shaft assembly.
Description
Technical field
The present invention relates to a kind ofly for the rear on vehicle, or rather, the present invention relates to the adjustable rear of a kind of gear of vehicle rack-and-pinion.
Background technology
At present, domestic and international research about the heavy-duty vehicle rear, mainly based on the Purely mechanical rear, after Purely mechanical rear and heavy goods vehicles, vehicle frame is for being rigidly connected, the Purely mechanical rear not only affects the crossing ability of heavy goods vehicles, can sail the damage that causes rear because of vehicle is up on abominable ground again, can't guarantee the safeguard function that it is good.In addition, because the rear protecting of heavy-duty vehicle is higher apart from ground, when the vehicle of the types such as car or SUV and heavy goods vehicles knock into the back, easily cause the vehicles such as car or SUV " to pierce " heavy goods vehicles rear overhang part, cause great injures and deaths.
Adopt electromechanical integration technology both can be when having guaranteed collision the safety of front vehicle, can improve again the crossing ability of vehicle, the protection vehicle is when normally travelling, its rear is difficult for damaging.Present part vehicle rear can't be by 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, also is 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 that cost is higher, weight is large, be difficult for problem universal and that promote, provides a kind of gear of vehicle rack-and-pinion adjustable rear.
For solving the problems of the technologies described above, the present invention adopts following technical scheme to realize: the adjustable rear of described gear of vehicle rack-and-pinion is put and is comprised lattice after 1 axle assembly, 2 axle assemblies, 3 axle assemblies, 4 axle assemblies, left slideway assembly, right slideway assembly and vehicle frame.
After described vehicle frame, lattice are comprised of vehicle frame right vertical beam, back shroud, the left longeron of vehicle frame, front shroud, vehicle frame lower cover and rear bumper arm.
Vehicle frame right vertical beam, back shroud, the left longeron of vehicle frame and front shroud are all the slot type structure spare that adopts steel plate punched to make, the right-hand member of back shroud and front shroud is packed in the groove at vehicle frame right vertical beam rear portion, the left end of back shroud and front shroud is packed in the groove at the left longeron of vehicle frame rear portion, the lap-joint at the left longeron of vehicle frame right vertical beam and vehicle frame and back shroud and front shroud two ends adopts riveting method to connect into rectangular frame, and the vehicle frame lower cover is fixed on the bottom of rectangular frame.3 axle assemblies are arranged on the midway location of the vehicle frame lower cover in lattice after vehicle frame, and the rear end of 3 axle assemblies is arranged in the interstitial hole of back shroud, 1 axle assembly is arranged on the right side of the vehicle frame lower cover in lattice after vehicle frame, and the rear end of 1 axle assembly is arranged in the right ports of back shroud, 4 axle assemblies are arranged on the vehicle frame lower cover in 3 axle assemblies left sides, and the rear end of 4 axle assemblies is arranged in the right ports of back shroud, 2 axle assemblies are arranged on vehicle frame lower cover between 1 axle assembly and 3 axle assemblies, 2 shaft transmission gears in 2 axle assemblies and 1 shaft transmission gear of 1 axle assembly are connected with a joggle, No. 23 shaft transmission gears in 2 shaft transmission gears in 2 axle assemblies and 3 axle assemblies are connected with a joggle, No. 13 shaft transmission gear in 3 axle assemblies and 4 shaft transmission gears of 4 axle assemblies are connected with a joggle, 1 axle assembly, 2 axle assemblies, 3 axle assemblies are parallel with the rotation axis of 4 axle assemblies, left slideway assembly is fixedly mounted on the left surface of the left longeron of vehicle frame in lattice after vehicle frame, right slideway assembly is arranged on the right flank of the vehicle frame right vertical beam in lattice after vehicle frame, rear bumper arm and left slideway assembly are captiveed joint with the aft end face bolt of right slideway assembly lower end, between 1 axle assembly and right slideway assembly for being connected with a joggle, between 4 axle assemblies and left slideway assembly for being connected with a joggle.
Refer to for being connected with a joggle between 1 axle assembly described in technical scheme and right slideway assembly: No. 1 lifting gear in 1 axle assembly and No. 1 lifting tooth bar in right slideway assembly are for being connected with a joggle.Refer to for being connected with a joggle between described 4 axle assemblies and left slideway assembly (V): No. 2 lifting gears in 4 axle assemblies and No. 2 lifting tooth bars in left slideway assembly are for being connected with a joggle.
1 axle assembly described in technical scheme also comprises 1 hubcap, 1 bracing strut, No. 3 tapered roller bearings, 1 axle, No. 1 tapered roller bearing, No. 1 bearing support and No. 1 lifting gears.it is that bolt connects that 1 hubcap is arranged on the front end face of 1 bracing strut, No. 3 tapered roller bearings are arranged in No. 3 bearing holes of 1 bracing strut upper end, the front end of 1 axle inserts in the bearing hole of No. 3 tapered roller bearings, 1 shaft transmission gear is sleeved on and is captive joint on 1 axle, the other end of 1 axle (6) inserts in the bearing hole of No. 1 tapered roller bearing, No. 1 tapered roller bearing is arranged in the groove of No. 1 bearing support, No. 1 bearing support is bolted on the front end face of back shroud right side through hole, No. 1 lifting gear set is captive joint at the external part from the through hole of back shroud right side of 1 axle, No. 1 the lifting gear has the 1cm gap along axis direction and back shroud.
the front end face of No. 3 tapered roller bearings described in technical scheme is connected for contact with the torus aft end face of 1 hubcap trailing flank center, the center of 1 shaft transmission gear two sides is provided with front cylinder and rear cylinder, the aft end face of No. 3 tapered roller bearings is connected for contact with the front end face of the front cylinder of 1 shaft transmission gear, after 1 shaft transmission gear, the aft end face of cylinder is connected with the front end face contact of No. 1 tapered roller bearing, the toric circumferencial direction of No. 1 lifting gear center place's setting is evenly arranged 3 screw holes, adopt 3 screws that No. 1 lifting gear is captiveed joint with 1 axle.
2 axle assemblies described in technical scheme also comprise No. 12 hubcaps, No. 5 tapered roller bearings, 2 bracing struts, 2 axles, No. 4 tapered roller bearings and No. 22 hubcaps.2 bracing struts are connected with vehicle frame lower cover bolt, it is that bolt connects that No. 12 hubcap are arranged on the front end face of front fork wall of 2 bracing struts, it is that bolt connects that No. 22 hubcaps are arranged on the aft end face of back vent wall of 2 bracing struts, No. 5 tapered roller bearings are arranged in No. 5 front bearing holes of front fork wall upper end in 2 bracing struts, No. 4 tapered roller bearings are arranged in No. 4 rear bearing holes of back vent wall upper end in 2 bracing struts, 2 axles are packed in No. 5 tapered roller bearings and No. 4 tapered roller bearings for being rotationally connected, 2 shaft transmission gears are sleeved in 2 bracing struts on 2 axles between front fork wall and back vent wall as captiveing joint.
the front end face of No. 5 tapered roller bearings described in technical scheme is connected for contact with the toric aft end face of No. 12 hubcap centers, the center of 2 shaft transmission gear two sides is provided with front circle tube neck part and rear circle tube neck part, the front end face of the front circle tube neck part of 2 shaft transmission gears is connected for contact with the aft end face of No. 5 tapered roller bearings, the aft end face of the rear neck of 2 shaft transmission gears is connected for contact with the front end face of No. 4 tapered roller bearings, the aft end face of No. 4 tapered roller bearings is connected for contact with the front toric front end face of No. 22 hubcap centers.
3 axle assemblies described in technical scheme also comprise large stepping motor, large flange, plum coupling, 3 axles, large stepper motor driver, deep groove ball bearing, spacing collar and 3 axle outer end caps.the base of large flange adopts and is bolted on the vehicle frame lower cover, large stepping motor adopts the upper end that is bolted to large flange, the output shaft of large stepping motor is that spline pair is connected with the front end of plum coupling, the rear end of plum coupling is that spline pair is connected with the front end of 3 axles, No. 23 shaft transmission gears are sleeved on 3 axles of plum coupling rear side, No. 13 shaft transmission gear are sleeved on 3 axles of No. 23 shaft transmission gear rear sides and are captive joint, deep groove ball bearing is sleeved on the cylinder of spacing collar, the larger diameter end of spacing collar is packed in minor diameter blind hole on 3 axle outer end caps, the aft end face of deep groove ball bearing is connected for contact with the front end face of the interior shaft shoulder of 3 axle outer end caps, 3 axle outer end caps adopt bolt to captive joint with the aft end face of back shroud interstitial hole, the ball bearing housing of 3 axle outer end caps passes the interstitial hole of back shroud, large stepper motor driver is connected with large stepping motor electric wire.
The aft end face center of No. 13 shaft transmission gears described in technical scheme is provided with the annular arrangement neck No. 1, is mutually 3 No. 1 screw holes of hexagonal angle radially being provided with of No. 1 annular arrangement neck, adopts screw that No. 13 shaft transmission gears are captiveed joint with 3 axles.Be provided with the annular arrangement neck No. 2 on No. 23 shaft transmission gear trailing flanks, the front end face contact of the shaft shoulder on the aft end face of No. 2 annular arrangement necks and 3 axles is connected, No. 23 shaft transmission gears adopt radial screw to captive joint with 3 axles, the rear annular end face contact of the shaft shoulder on the front end face of No. 13 shaft transmission gears and 3 axles is connected, No. 13 shaft transmission gear adopt screws to be connected with 3 axles, and the annular arrangement neck aft end face of No. 13 shaft transmission gear trailing flank centers is to contact to be connected with the cylinder front end face of spacing collar.
4 axle assemblies described in technical scheme also comprise 4 hubcaps, 4 bracing struts, No. 2 tapered roller bearings, 4 axles, No. 6 tapered roller bearings, No. 2 bearing support and No. 2 lifting gears.it is that bolt connects that 4 hubcaps are arranged on the front end face of 4 bracing struts, No. 2 tapered roller bearings are arranged in No. 2 bearing holes of 4 bracing strut upper ends, the front end of 4 axles inserts in the bearing hole of No. 2 tapered roller bearings, 4 shaft transmission gears are sleeved on and are captive joint on 4 axles of No. 2 tapered roller bearing rear sides, be provided with front cylindrical boss and rear cylindrical boss on the front and back sides of 4 shaft transmission gears, the front end face of the front cylindrical boss on 4 shaft transmission gears is connected with the aft end face contact of No. 2 tapered roller bearings, insert in the bearing hole of No. 6 tapered roller bearings the rear end of 4 axles, No. 6 tapered roller bearings are arranged in No. 2 grooves on bearing support, No. 2 bearing support adopt and are bolted on the front end face of back shroud PATENT left side via, No. 2 lifting gear sets at 4 axles from the external part of back shroud PATENT left side via, uniform 3 screw holes of circumferencial direction of the annulus boss of No. 2 lifting gear center place's settings, No. 2 the lifting gear adopts screw to captive joint with 4 shaft rear ends, No. 2 the lifting gear has the 1cm gap along axis direction and back shroud.
Left slideway assembly described in technical scheme is protected support after comprising No. 2 lifting tooth bars, No. 2 slideways, No. 2 slide blocks, No. 2 magnetic force valve seats, No. 2 little stepping motors, No. 2 little flanges and No. 2.
it is that bolt connects that No. 2 lifting tooth bars are arranged on the upper end of protecting support after No. 2, after No. 2, the aft end face of guarantor's support lower end is connected with the front end face bolt of rear bumper left end, the permanent seat of No. 1 slide block with No. 2 after protect support upper terminal bolt captive joint, the capable slide block of the T of No. 1 slide block and No. 2 magnetic force valve seats are packed in the T shape slideway of No. 2 slideways successively from bottom to up, the right side of No. 2 magnetic force valve seats is provided with tapped bore, adopt bolt with the left longeron of vehicle frame, No. 2 slideway is captiveed joint with No. 2 magnetic force valve seats, in No. 2 rotor switchs on No. 2 magnetic valve base rear end faces of output shaft insertion of No. 2 little stepping motors, the output shaft of No. 2 little stepping motors is that the face contact is connected with No. 2 rotor switchs on No. 2 magnetic force valve seats, the motor flange dish of No. 2 little stepping motors is connected with a terminal bolt of No. 2 little flanges, the end that No. 2 little flanges are connected with the motor flange dish is connected with No. 2 magnetic valve base rear end face screws, the other end of No. 2 little flanges is connected with the left inside side bolt of the T shape slideway of No. 2 slideways, No. 2 little stepping motor is connected with No. 2 little stepper motor driver electric wires.
Compared with prior art the invention has the beneficial effects as follows:
1. the adjustable rear of gear of vehicle rack-and-pinion of the present invention adopts stepping motor and mechanical drive that the heavy goods vehicles rear bumper is controlled, and then can regulate according to actual condition the terrain clearance of rear protecting.
2. the adjustable rear of gear of vehicle rack-and-pinion of the present invention is sturdy and durable, and the life-span is long.
3. the adjustable rear of gear of vehicle rack-and-pinion of the present invention is simple in structure, easy for installation; In addition, the cost of the adjustable rear of gear of vehicle rack-and-pinion of the present invention is lower, is easy to the marketization.
4. the adjustable rear of gear of vehicle rack-and-pinion 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 of the adjustable rear of gear of vehicle rack-and-pinion of the present invention part can be transformed according to different automobile types, and transformation process is convenient and simple.
6. the adjustable rear of gear of vehicle rack-and-pinion 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 rear bumper, and control its straight-line motion.This structure needing to can be used for using in the machinery of this type of conversion, but has stronger generalization.
Description of drawings
Fig. 1 is the axonometric projection graph that the adjustable rear structure of gear of vehicle rack-and-pinion of the present invention forms;
Fig. 2 is the breakdown axonometric projection graph that the adjustable rear structure of gear of vehicle rack-and-pinion of the present invention forms;
Fig. 3 is the breakdown axonometric projection graph that in the adjustable rear of gear of vehicle rack-and-pinion of the present invention, 1 axle assembly structure forms;
Fig. 4 is the breakdown axonometric projection graph that in the adjustable rear of gear of vehicle rack-and-pinion of the present invention, 2 axle assembly structures form;
Fig. 5 is the breakdown axonometric projection graph that in the adjustable rear of gear of vehicle rack-and-pinion of the present invention, 3 axle assembly structures form;
Fig. 6 is the breakdown axonometric projection graph that in the adjustable rear of gear of vehicle rack-and-pinion of the present invention, 4 axle assembly structures form;
Fig. 7 is that the axonometric projection graph of 180 ° is changed in the position of the relative Fig. 1 of the adjustable rear structure composition of gear of vehicle rack-and-pinion of the present invention;
Fig. 8 is the breakdown axonometric projection graph that the adjustable rear middle slideway of gear of vehicle rack-and-pinion of the present invention bracket assembly structure forms;
Fig. 9 is the axonometric projection graph of No. 1 slide block structure in the adjustable rear of gear of vehicle rack-and-pinion of the present invention;
Figure 10 is the axonometric projection graph of No. 1 slideway structure in the adjustable rear of gear of vehicle rack-and-pinion of the present invention;
Figure 11 is the axonometric projection graph of No. 2 slideway structures in the adjustable rear of gear of vehicle rack-and-pinion of the present invention;
Figure 12 is the axonometric projection graph of No. 1 lifting rack structure in the adjustable rear of gear of vehicle rack-and-pinion of the present invention;
Figure 13 is the axonometric projection graph of 1 shaft transmission gear structure in the adjustable rear of gear of vehicle rack-and-pinion of the present invention;
Figure 14 is the axonometric projection graph of 3 axle outer end cap structures in the adjustable rear of gear of vehicle rack-and-pinion of the present invention;
Figure 15 is the axonometric projection graph of rear cover plate structure in the adjustable rear of gear of vehicle rack-and-pinion of the present invention;
Figure 16 protects the axonometric projection graph of supporting structure after No. 2 in the adjustable rear of gear of vehicle rack-and-pinion of the present invention;
Figure 17-a is the axonometric projection graph of No. 1 magnetic force valve seat in the adjustable rear of gear of vehicle rack-and-pinion of the present invention;
Figure 17-b is the axonometric projection graph of No. 2 magnetic force valve seats in the adjustable rear of gear of vehicle rack-and-pinion of the present invention;
Figure 18 is the axonometric projection graph of the medium and small stepping motor of the adjustable rear of gear of vehicle rack-and-pinion of the present invention;
in figure: I .1 axle assembly, II .2 axle assembly, III .3 axle assembly, IV .4 axle assembly, V. left slideway assembly, VI. right slideway assembly, VII. lattice after vehicle frame, 1.1 protect support after number, 2.1 number magnetic force valve seat, 3.1 number little flange, 4.1 number little stepping motor, 5.1 number slideway, 6.1 axle, 7.1 number tapered roller bearing, 8.1 number bearing support, 9.1 number lifting tooth bar, 10.1 number lifting gear, 11.3 axle outer end cap, 12. spacing collar, 13. deep groove ball bearing, 14.2 number lifting gear, 15.2 number lifting tooth bar, 16. back shroud, 17.2 number bearing support, 18.4 shaft transmission gear, 19.2 number little stepping motor, 20.2 protect support after number, 21. rear bumper arm, 22.2 number slide block, 23.2 number magnetic force valve seat, 24.2 number slideway, 25.2 number tapered roller bearing, 26.4 bracing strut, 27.4 hubcap, 28. large flange, 29. the left longeron of vehicle frame, 30. large stepper motor driver, 31. large stepping motor, 32.2 bracing strut, 33.1 number 2 hubcaps, 34.1 bracing strut, 35.1 hubcap, 36. vehicle frame right vertical beam, 37.3 number tapered roller bearing, 38.1 number slide block, 39.1 shaft transmission gear, 40.2 shaft transmission gear, 41.4 number tapered roller bearing, 42.1 number 3 shaft transmission gears, 43.3 axle, 44.2 number 3 shaft transmission gears, 45. plum coupling, 46.2 axle, 47.5 number tapered roller bearing, 48. front shroud, 49. vehicle frame lower cover, 50.2 number 2 hubcaps, 51.2 number little flange, 52.4 axle, 53.6 number tapered roller bearing, 54.2 number little stepper motor driver, 55.1 number rotor switch, 56.2 number rotor switch, 57. the interior shaft shoulder, 58. ball bearing housing, 59.T row slide block, 60. permanent seat, 61. left bolt Connection Block, 62. right bolt Connection Block.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is explained in detail:
Consult Fig. 1 and Fig. 2, the adjustable rear of described gear of vehicle rack-and-pinion comprises lattice VII after 1 axle assembly I, 2 axle assembly II, 3 axle assembly III, 4 axle assembly IV, left slideway assembly V, right slideway assembly VI and vehicle frame.
described 3 axle assembly III are arranged on the midway location of the vehicle frame lower cover 49 in the lattice VII after vehicle frame, and the rear end of 3 axle assembly III is arranged in the interstitial hole of back shroud 16, the rotation axis conllinear of the interstitial hole of the rotation axis of 3 axle assembly III and back shroud 16, 1 axle assembly I is arranged on the right side of the vehicle frame lower cover 49 in the lattice VII after vehicle frame, in other words, 1 axle assembly I is arranged on the vehicle frame lower cover 49 on 3 axle assembly III right sides, the rear end of 1 axle assembly I is arranged in the right ports of back shroud 16, the rotation axis conllinear of the right ports of the rotation axis of 1 axle assembly I and back shroud 16, 4 axle assembly IV are arranged on the left side of the vehicle frame lower cover 49 in the lattice VII after vehicle frame, in other words, 4 axle assembly IV are arranged on the vehicle frame lower cover 49 in 3 axle assembly III left sides, the rear end of 4 axle assembly IV is arranged in the right ports of back shroud 16, the rotation axis conllinear of the left hole of the rotation axis of 4 axle assembly IV and back shroud 16, 2 axle assembly II are arranged on after vehicle frame on the vehicle frame lower cover 49 in the lattice VII, exactly, 2 axle assembly II are arranged on vehicle frame lower cover 49 between 1 axle assembly I and 3 axle assembly III, the upper surface bolt of the vehicle frame lower cover 49 after 2 bracing struts 32 in 2 axle assembly II and vehicle frame in the lattice VII is connected, 2 shaft transmission gears 40 in 2 axle assembly II and 1 shaft transmission gear 39 of 1 axle assembly I are connected with a joggle, No. 23 shaft transmission gears 44 in 2 shaft transmission gears 40 in 2 axle assembly II and 3 axle assembly III are connected with a joggle, No. 13 shaft transmission gear 42 in 3 axle assembly III and 4 shaft transmission gears 18 of 4 axle assembly IV are connected with a joggle, 2 shaft transmission gears 40, 1 shaft transmission gear 39 and No. 23 shaft transmission gear 44 front end faces are coplanar, 1 axle assembly I, 2 axle assembly II, 3 axle assembly III are parallel with the rotation axis of 4 axle assembly IV.Left slideway assembly V is arranged on after vehicle frame on left longeron 29 left surfaces of vehicle frame in the lattice VII, and is connected with the left surface bolt of the left longeron 29 of vehicle frame; Right slideway assembly VI is arranged on after vehicle frame on vehicle frame right vertical beam 36 right flanks in the lattice VII, and is connected with the right flank bolt of vehicle frame right vertical beam 36.The front end face of the rear bumper arm 21 after vehicle frame in the lattice VII and left slideway assembly V are captiveed joint with the aft end face bolt of right slideway assembly VI lower end.
Consult Fig. 3,1 axle assembly I is comprised of 1 hubcap 35,1 bracing strut 34, No. 3 tapered roller bearings 37,1 shaft transmission gear 39,1 axle 6, No. 1 tapered roller bearing 7, No. 1 bearing support 8, No. 1 lifting gears 10;
The rear side anchor ring of 1 hubcap 35 is connected with the front end face contact of 1 bracing strut 34 and is with bolts, model is that 30208 No. 3 tapered roller bearings 37 are arranged in No. 3 bearing holes of 1 bracing strut 34 upper ends, and the front end face of No. 3 tapered roller bearings 37 is connected for contact with the torus aft end face of 1 hubcap 35 trailing flank centers.the front end of 1 axle 6 inserts in the bearing hole of No. 3 tapered roller bearings 37, 1 shaft transmission gear 39 is sleeved on and is captive joint (adopting screw radially to fix) on 1 axle 6, the center of 1 shaft transmission gear 39 two sides is provided with front cylinder and rear cylinder, the aft end face of No. 3 tapered roller bearings 37 is connected for contact with the front end face of 1 shaft transmission gear 39 front cylinders, the other end of 1 axle 6 inserts in the bearing hole of No. 1 tapered roller bearing 7 in the groove that is arranged on No. 1 bearing support 8, the aft end face of 1 shaft transmission gear 39 rear cylinders is connected with the contact of the front end face of No. 1 tapered roller bearing 7, No. 1 bearing support 8 is bolted on back shroud 16 right side through hole front end faces, the external part from back shroud 16 right side through holes that No. 1 lifting gear 10 is sleeved on 1 axle 6 is captive joint.No. 1 lifting gear 10 centers are provided with torus, and No. 1 lifting gear 10 uniform 3 screw holes of the toric circumferencial direction in center can adopt 3 screws to be connected with 1 axle 6.No. 1 lifting gear 10 has the 1cm gap along axis direction and back shroud 16.1 shaft transmission gear 39 in 1 axle assembly I and 2 shaft transmission gears 40 in 2 axle assembly II are connected with a joggle.
Consult Fig. 4,2 axle assembly II are comprised of No. 12 hubcaps 33, No. 5 tapered roller bearings 47,2 shaft transmission gears 40,2 bracing struts 32,2 axles 46, No. 4 tapered roller bearings 41, No. 22 hubcaps 50.
Described 2 bracing struts 32 are comprised of front fork wall, back vent wall, front floor, rear floor and rectangular base plate.Be provided with equably 4 bolts hole on the rectangular base plate of 2 bracing struts 32, the rectangular base plate in 2 bracing struts 32 is connected with vehicle frame lower cover 49 bolts.No. 12 hubcaps 33 are the identical disc-like framing member of structure with No. 22 hubcaps 50, the rear side anchor ring of No. 12 hubcaps 33 is connected with the front end face bolt of the front fork wall of 2 bracing struts 32, and the front side anchor ring of No. 22 hubcaps 50 is connected with the aft end face bolt of the back vent wall of 2 bracing struts 32.Model is that 30208 No. 5 tapered roller bearings 47 are arranged in No. 5 front bearing holes of front fork wall upper end in 2 bracing struts 32, and model is that 30208 No. 4 tapered roller bearings 41 are arranged in No. 4 rear bearing holes of back vent wall upper end in 2 bracing struts 32.2 axles 46 are packed in No. 5 tapered roller bearings 47 and No. 4 tapered roller bearings 41 for being rotationally connected, and 2 shaft transmission gears 40 are sleeved in 2 bracing struts 32 on 2 axles 46 between front fork wall and back vent wall.The front end face of No. 5 tapered roller bearings 47 is connected for contact with the toric aft end face of No. 12 hubcap 33 trailing flank centers.The center of 2 shaft transmission gear 40 two sides is provided with front circle tube neck part and rear circle tube neck part, the front end face of the front circle tube neck part of 2 shaft transmission gears 40 is connected for contact with the aft end face of No. 5 tapered roller bearings 47, and the aft end face of the rear neck of 2 shaft transmission gears 40 is connected for contact with the front end face of No. 4 tapered roller bearings 41.The aft end face of No. 4 tapered roller bearings 41 is connected for contact with the front toric front end face of No. 22 hubcap 50 leading flank centers.1 shaft transmission gear 39 in the right side of 2 shaft transmission gears 40 in 2 axle assembly II and 1 axle assembly I is connected with a joggle, and the left side of 2 shaft transmission gears 40 and No. 23 shaft transmission gears 44 are for being connected with a joggle.
Consult Fig. 5,3 axle assembly III are comprised of large stepping motor 31, large flange 28, plum coupling 45, No. 23 shaft transmission gears 44,3 axles 43, large stepper motor driver 30, No. 13 shaft transmission gear 42, deep groove ball bearing 13, spacing collar 12,3 axle outer end caps 11.
Described large flange 28 becomes L shaped stainless steel strut for cross-sectional plane, is provided with round tube hole on a vertical hold-down arm therein, and the circular hole surrounding is furnished with bolt hole equably, is used for fixing large stepping motor 31, has been evenly arranged screw hole on its base.The aft end face center of No. 23 shaft transmission gears 44 is provided with the annular arrangement neck No. 2, radially has at No. 2 annular arrangement necks 3 No. 2 screw holes that are mutually hexagonal angle, adopts screw that No. 23 shaft transmission gears 44 are captiveed joint with 3 axles 43.The aft end face center of No. 13 shaft transmission gears 42 is provided with the annular arrangement neck No. 1, is mutually 3 No. 1 screw holes of hexagonal angle radially having of No. 1 annular arrangement neck, adopts screw that No. 13 shaft transmission gears 42 are captiveed joint with 3 axles 43.Spacing collar 12 is the cylindrical structure spare of a stepped shaft shape, is used for locating and support deep groove ball bearing 13.Consult Figure 14,3 axle outer end caps 11 are connected with ball bearing housing 58 by the rectangle end cap, and ball bearing housing 58 is provided with the ladder blind hole of 2 sections diameters, and the transition position of 2 sections diameters forms the interior shaft shoulder 57.
Large stepper motor driver 30 is connected with large stepping motor 31 electric wires.large flange 28 adopts bolt to be fixedly connected on vehicle frame lower cover 49 by its base, large stepping motor 31 is connected with the upper terminal bolt of large flange 28, the output shaft of large stepping motor 31 adopts spline pair to be connected with the front end of plum coupling 45, another of plum coupling 45 (afterwards) end adopts spline pair to be connected with the front end of 3 axles 43, No. 23 shaft transmission gears 44 are sleeved on 3 axles 43 of plum coupling 45 rear sides, the front end face contact of the shaft shoulder on the aft end face of No. 2 annular arrangement necks on No. 23 shaft transmission gears 44 and No. 13 axle is connected, No. 23 shaft transmission gears 44 adopt radial screw to captive joint with 3 axles 43.No. 13 shaft transmission gears 42 are sleeved on 3 axles 43 of No. 23 shaft transmission gear 44 rear sides, the rear annular end face contact of the shaft shoulder on the front end face of No. 13 shaft transmission gears 42 and No. 13 axle is connected, No. 13 shaft transmission gear 42 adopt screws to be connected with 3 axles 43, and the annular arrangement neck aft end face of No. 13 shaft transmission gear 42 trailing flank centers is to contact to be connected with the cylinder front end face of spacing collar 12.Model is that 6208 deep groove ball bearing 13 is sleeved on the cylinder of spacing collar 12, the larger diameter end of spacing collar 12 is packed in minor diameter blind hole on 3 axle outer end caps 11, and the aft end face of deep groove ball bearing 13 is connected for contact with the front annular end face of the interior shaft shoulder 57 of 3 axle outer end caps 11.The rotation axis of the ladder blind hole on the rotation axis of spacing collar 12 and 3 axle outer end caps 11 and the rotation axis conllinear of the interstitial hole on back shroud 16,3 axle outer end caps 11 adopt bolt to captive joint with the aft end face of back shroud 16 interstitial holes, and the ball bearing housing 58 of 3 axle outer end caps 11 passes the interstitial hole of back shroud 16.2 shaft transmission gears 40 in No. 23 shaft transmission gears 44 and 2 axle assembly II are connected with a joggle.
Consult Fig. 6,4 axle assembly IV are comprised of 4 hubcaps 27,4 bracing struts 26, No. 2 tapered roller bearings 25,4 axles 52,4 shaft transmission gears 18, No. 6 tapered roller bearings 53, No. 2 bearing support 17, No. 2 lifting gears 14;
The rear side anchor ring of 4 hubcaps 27 is connected with the front end face bolt of 4 bracing struts 26, model is that 30208 No. 2 tapered roller bearings 25 are arranged in No. 2 bearing holes of 4 bracing strut 26 upper ends, and the front end face of No. 2 tapered roller bearings 25 is that face contacts with toric aft end face on 4 hubcaps 27.be provided with front cylindrical boss and rear cylindrical boss on the front and back sides of 4 shaft transmission gears 18, in No. 2 tapered roller bearing 25 bearing holes of front end insertion of 4 axles 52, 4 shaft transmission gears 18 are enclosed within and are captive joint on 4 axles 52 of No. 2 tapered roller bearing 25 rear sides, the front end face of the front cylindrical boss on 4 shaft transmission gears 18 is connected with the contact of the aft end face of No. 2 tapered roller bearings 25, the other end of 4 axles 52 inserts and is captive joint in the bearing hole that is arranged on No. 2 No. 6 tapered roller bearings 53 in the groove on bearing support 17, No. 2 bearing support 17 is bolted on the front end face of back shroud 16 PATENT left side via, No. 2 lifting gears 14 be sleeved on 4 axles 52 from the external part of back shroud 16 PATENT left side via, uniform 3 screw holes of circumferencial direction of the annulus boss of No. 2 lifting gear 14 centers settings, No. 2 lifting gears 14 that are sleeved on 4 axles 52 adopt screws to captive joint with 4 axle 52 rear ends.No. 2 lifting gear 14 has the 1cm gap along axis direction and back shroud 16.No. 13 shaft transmission gears 42 in 4 shaft transmission gears 18 in 4 axle assembly IV and 3 axle assembly III are connected with a joggle.
Consult Fig. 2, Fig. 7 to Fig. 9, left slideway assembly V comprises No. 2 lifting tooth bars 15, No. 2 slideways 24, No. 2 slide blocks 22, No. 2 magnetic force valve seats 23, No. 2 little stepping motors 19, No. 2 little flanges 51, protects support 20 and No. 2 little stepper motor drivers 54 after No. 2.
No. 2 lifting tooth bar 15 is comprised of tooth bar and bottom rectangle plate, and the tooth bar of No. 2 lifting tooth bars 15 and No. 2 lifting gears 14 are connected with a joggle, the bottom rectangle plate of No. 2 lifting tooth bars 15 with No. 2 after protect that on support 20, terminal bolt is connected.After No. 2, the aft end face of guarantor's support 20 lower ends is connected with the front end face bolt of rear bumper 21 left ends.No. 1 slide block 22 is connected by the capable slide block 59 of T and permanent seat 60, the upper terminal bolt of protecting support 20 after No. 2, the permanent seat 60 of No. 1 slide block 22 and (No. 2 lifting tooth bar 15 the place aheads, present position) is connected, and the capable slide block 59 of the T of No. 1 slide block 22 and No. 2 magnetic force valve seats 23 are successively in from bottom to top the T shape slideway of No. 2 slideways 24 of packing into.The right side of No. 2 magnetic force valve seats 23 has tapped bore, adopts bolt that the left longeron 29 of vehicle frame, No. 2 slideways 24 are captiveed joint with No. 2 magnetic force valve seats 23.Model is that the little stepping motor 19 of No. 2 of 28BYJ-48 advances motor body by small step and the motor flange dish forms, the output shaft of No. 2 little stepping motors 19 injects in No. 2 No. 2 rotor switchs 56 on magnetic force valve seat 23 aft end faces (consults Figure 17-a), the side of No. 2 rotor switchs 56 on the output shaft of No. 2 little stepping motors 19 and No. 2 magnetic force valve seats 23 is that the face contact is connected, and the motor flange dish of No. 2 little stepping motors 19 is connected with a terminal bolt of No. 2 little flanges 51.No. 2 little flanges 51 are square iron plates, and the end that No. 2 little flanges 51 are connected with the motor flange dish is connected with No. 2 magnetic force valve seat 23 aft end face screws, and the other end of No. 2 little flanges 51 is connected with the left inside side bolt of the T shape slideway of No. 2 slideways 24.No. 2 slideway 24 is consulted Figure 11 by 4 identical left bolt Connection Block 61(of structure) be connected with the left side bolt of the left longeron 29 of vehicle frame.No. 2 little stepping motor 19 is connected with No. 2 little stepper motor driver 54 electric wires.
Consult Fig. 2, described right slideway assembly VI is protected support 1, No. 1 magnetic force valve seat 2, No. 1 little flange 3, No. 1 little stepping motor 4, No. 1 slideway 5, No. 1 slide block 38 and No. 1 little stepper motor driver after comprising No. 1 lifting tooth bar 9, No. 1.
Left slideway assembly V and right slideway assembly VI are symmetrical structure spare, wherein: No. 1 slideway 5 is identical with the structure of No. 2 slideways 24, No. 1 slide block 3 is identical with the structure of No. 2 slide blocks 22, No. 1 magnetic force valve seat 2 is identical with the structure of No. 2 magnetic force valve seats 23, No. 1 little flange 3 is identical with the structure of No. 2 little flanges 51, No. 1 little stepping motor 4 is identical with the structure of No. 2 little stepping motors 19, and No. 1 little stepper motor driver is identical with the structure of No. 2 little stepper motor drivers 54; Protect after No. 1 support 1 with No. 2 after guarantor's support 20 be symmetrical structure spare, No. 1 lifting tooth bar 9 and No. 2 lifting tooth bars 15 are symmetrical structure spare.
No. 1 lifting tooth bar 9 is comprised of tooth bar and bottom rectangle iron plate, the tooth bar of No. 1 lifting tooth bar 9 and 10 engagements of No. 1 lifting gear, and the bottom rectangle iron plate of No. 1 lifting tooth bar 9 is connected with the upper terminal bolt of guarantor's support 1 after No. 1.After No. 1, the aft end face of guarantor's support 1 lower end is connected with the front end face bolt of rear bumper 21 right-hand members.The structure of the structure of No. 1 slide block 38 and No. 2 slide blocks 22 is identical, the upper terminal bolt of protecting support 1 after No. 1, No. 1 permanent seat of No. 1 slide block 38 and (No. 1 lifting tooth bar 9 the place aheads, present position) is connected, and No. 1 capable slide block of T and No. 1 magnetic force valve seat 2 of No. 1 slide block 38 are contained in No. 1 T shape slideway of No. 1 slideway 5 successively from bottom to up.The left side of No. 1 magnetic force valve seat 2 has tapped bore, adopts bolt that vehicle frame right vertical beam 36, No. 1 slideway 5 are captiveed joint with No. 1 magnetic force valve seat 2.Model is that the structure of the little stepping motor 4 of No. 1 of 28BYJ-48 and No. 2 little stepping motors 19 is identical, the output shaft of No. 1 little stepping motor 4 injects in No. 1 No. 1 rotor switch 55 on magnetic force valve seat 2 aft end faces (consults Figure 17-b), the side of No. 1 rotor switch 55 on the output shaft of No. 1 little stepping motor 4 and No. 1 magnetic force valve seat 2 is that the face contact is connected (consulting Figure 18), and the motor flange dish of No. 1 little stepping motor 5 is connected with No. 1 little flange 3 bolts.No. 1 little flange 3 is square iron plates, and the end that No. 1 little flange 3 is connected with the motor flange dish is connected with No. 1 magnetic force valve seat 2 aft end face screws, and the other end of No. 1 little flange 3 is connected with the right inside side bolt of No. 1 T shape slideway of No. 1 slideway 5.No. 1 slideway 5 is consulted Figure 10 by 4 identical right bolt Connection Block 62(of structure) be connected with the right side bolt of vehicle frame right vertical beam 36.No. 1 little stepping motor 4 is connected with No. 1 little stepper motor driver electric wire.
Consult Fig. 1, after vehicle frame, the lattice VII is comprised of vehicle frame right vertical beam 36, back shroud 16, the left longeron 29 of vehicle frame, front shroud 48, vehicle frame lower cover 49, rear bumper arm 21.
Vehicle frame right vertical beam 36, back shroud 16, the left longeron 29 of vehicle frame are all with front shroud 48 the slot type structure spare that adopts steel plate punched to make.The notch opposing parallel of the left longeron 29 of the notch of vehicle frame right vertical beam 36 and vehicle frame is placed, back shroud 16 is placed with the notch opposing parallel of front shroud 48, back shroud 16 and the right-hand member of front shroud 48 are packed in the groove at vehicle frame right vertical beam 36 rear portions, back shroud 16 and the left end of front shroud 48 are packed in the groove at the left longeron of vehicle frame 29 rear portions, and vehicle frame right vertical beam 36 and the left longeron 29 of vehicle frame and back shroud 16 adopt riveting method to connect into rectangle frame posture framing member with the lap-joint at front shroud 48 two ends.Vehicle frame lower cover 49 is fixed on the bottom of rectangular frame.Rear bumper arm 21 is fixed on the back lower place of vehicle frame right vertical beam 36 and the left longeron 29 of vehicle frame by left slideway assembly V and right slideway assembly VI.
The below's contrast accompanying drawing is further described function and the principle of work of each parts of the present invention.
Consult Fig. 1 and Fig. 5, model is that large stepper motor driver 30 electricity of 3M2060 drive large stepping motor 30 rotations, be BF1_16x19 plum coupling 45 by model, drive No. 23 shaft transmission gears 44,3 axles 43, No. 13 shaft transmission gears 42 along self axis rotation; No. 23 shaft transmission gears 44 pass through engaged transmission drive 2 shaft transmission gears 40 of gear along himself axis rotation, the engaged transmission that 2 shaft transmission gears 40 pass through gear drives 1 shaft transmission gear 39 along self axis rotation, and 1 shaft transmission gear 39 drives No. 1 lifting gear 10 along self axis rotation by 1 axle 6; No. 13 shaft transmission gears 42 drive 4 shaft transmission gears 18 along self axis rotation by meshed transmission gear, and 4 shaft transmission gears 18 drive No. 2 lifting gears 14 along self axis rotation by 4 axles 52.
No. 2 lifting gears 14 and No. 2 lifting tooth bar 15 engagements drive No. 2 lifting tooth bars 15 and do straight-line motion along vehicle z axle, and No. 1 lifting gear 10 and No. 1 lifting tooth bar 9 engagements drive No. 1 lifting tooth bar 9 and do straight-line motion on vehicle z direction of principal axis.Protect No. 2 slide blocks 38 of support 1 drive after No. 1 and do straight-line motion on vehicle z direction of principal axis in the endoporus of No. 1 slideway 5, No. 2 lifting tooth bars 15 drive No. 1 slide block 22 and do straight-line motion on vehicle z direction of principal axis in the endoporus of No. 2 slideways 24.Protect support 1 after No. 1 lifting tooth bar 9 drives No. 1 and do straight-line motion on vehicle z direction of principal axis, protect support 20 after No. 2 lifting tooth bar 15 drives No. 2 and do straight-line motion on vehicle z direction of principal axis.Protect after No. 1 and protect the common rear bumper arm 21 that drives of support 20 after support 1 and No. 2 do straight-line motion on vehicle z direction of principal axis.
when No. 1 slide block 22 and No. 2 slide blocks 38 are done upward movement along vehicle z direction of principal axis, and No. 1 magnetic force valve seat 2 of distance and No. 2 magnetic force valve seats 23 are the most respectively, No. 2 little stepper motor drivers 54 and No. 1 little stepper motor driver drive No. 2 little stepping motors 19 and No. 1 little stepping motor 4 successively, making model is that No. 2 little stepping motors 19 of 28BYJ-48 and No. 1 little stepping motor 4 that model is 28BYJ-48 rotate, No. 1 rotor switch 55 and No. 2 rotor switchs 56 of driving respectively No. 1 magnetic force valve seat 2 and No. 2 magnetic force valve seats 23 rotate, make respectively No. 1 magnetic force valve seat 2 and No. 2 magnetic force valve seats 23 produce magnetic force, finally respectively with No. 1 slide block 22 and No. 2 slide block 38 magnetic-adsorptions, with left slideway assembly V, right slideway assembly VI and rear bumper arm 21 are locked in the extreme higher position.
when No. 1 slide block 22 and No. 2 slide blocks 38 need to be done descending motion along vehicle z direction of principal axis, No. 2 little stepper motor drivers 54 and No. 1 little stepper motor driver electricity drive No. 2 little stepping motors 19 and No. 1 little stepping motor 4, making model is that No. 2 little stepping motors 19 of 28BYJ-48 and No. 1 little stepping motor 4 that model is 28BYJ-48 rotate, No. 1 rotor switch 55 and No. 2 rotor switchs 56 of driving respectively No. 1 magnetic force valve seat 2 and No. 2 magnetic force valve seats 23 rotate, make respectively No. 1 magnetic force valve seat 2 and No. 2 magnetic force valve seats 23 lose magnetic force, finally throw off with No. 1 slide block 22 and No. 2 slide blocks 38 respectively, guarantee left slideway assembly V, right slideway assembly VI and rear bumper arm 21 are done descending motion along vehicle z direction of principal axis.
Claims (10)
1. the adjustable rear of gear of vehicle rack-and-pinion is put, it is characterized in that, the adjustable rear of described gear of vehicle rack-and-pinion is put and is comprised lattice (VII) after 1 axle assembly (I), 2 axle assemblies (II), 3 axle assemblies (III), 4 axle assemblies (IV), left slideway assembly (V), right slideway assembly (VI) and vehicle frame;
Lattice after described vehicle frame (VII) are comprised of vehicle frame right vertical beam (36), back shroud (16), the left longeron of vehicle frame (29), front shroud (48), vehicle frame lower cover (49), rear bumper arm (21);
vehicle frame right vertical beam (36), back shroud (16), the left longeron of vehicle frame (29) is all with front shroud (48) the slot type structure spare that adopts steel plate punched to make, the right-hand member of back shroud (16) and front shroud (48) is packed in the groove at vehicle frame right vertical beam (36) rear portion, the left end of back shroud (16) and front shroud (48) is packed in the groove at the left longeron of vehicle frame (29) rear portion, vehicle frame right vertical beam (36) and the left longeron of vehicle frame (29) and back shroud (16) adopt riveting method to connect into rectangular frame with the lap-joint at front shroud (48) two ends, vehicle frame lower cover (49) is fixed on the bottom of rectangular frame,
3 axle assemblies (III) are arranged on the midway location of the vehicle frame lower cover (49) in lattice (VII) after vehicle frame, and the rear end of 3 axle assemblies (III) is arranged in the interstitial hole of back shroud (16); 1 axle assembly (I) is arranged on the right side of the vehicle frame lower cover (49) in lattice (VII) after vehicle frame, and the rear end of 1 axle assembly (I) is arranged in the right ports of back shroud (16); 4 axle assemblies (IV) are arranged on the vehicle frame lower cover (49) in 3 axle assemblies (III) left side, and the rear end of 4 axle assemblies (IV) is arranged in the right ports of back shroud (16); 2 axle assemblies (II) are arranged on vehicle frame lower cover (49) between 1 axle assembly (I) and 3 axle assemblies (III), 2 shaft transmission gears (40) in 2 axle assemblies (II) are connected with a joggle with 1 shaft transmission gear (39) of 1 axle assembly (I), No. 23 shaft transmission gears (44) in 2 shaft transmission gears (40) in 2 axle assemblies (II) and 3 axle assemblies (III) are connected with a joggle, No. 13 shaft transmission gears (42) in 3 axle assemblies (III) are connected with a joggle with 4 shaft transmission gears (18) of 4 axle assemblies (IV), 1 axle assembly (I), 2 axle assemblies (II), 3 axle assemblies (III) are parallel with the rotation axis of 4 axle assemblies (IV), left slideway assembly (V) is fixedly mounted on the left surface of the left longeron of vehicle frame (29) in lattice (VII) after vehicle frame, right slideway assembly (VI) is arranged on the right flank of the vehicle frame right vertical beam (36) in lattice (VII) after vehicle frame, rear bumper arm (21) and left slideway assembly (V) are captiveed joint with the aft end face bolt of right slideway assembly (VI) lower end, between 1 axle assembly (I) and right slideway assembly (VI) for being connected with a joggle, between 4 axle assemblies (IV) and left slideway assembly (V) for being connected with a joggle.
2. according to the adjustable rear of gear of vehicle rack-and-pinion claimed in claim 1, it is characterized in that, refer to for being connected with a joggle between described 1 axle assembly (I) and right slideway assembly (VI):
No. 1 lifting tooth bar (9) in No. 1 lifting gear (10) in 1 axle assembly (I) and right slideway assembly (VI) is for being connected with a joggle;
Refer to for being connected with a joggle between described 4 axle assemblies (IV) and left slideway assembly (V):
No. 2 lifting tooth bars (15) in No. 2 lifting gears (14) in 4 axle assemblies (IV) and left slideway assembly (V) are for being connected with a joggle.
3. according to the adjustable rear of gear of vehicle rack-and-pinion claimed in claim 1, it is characterized in that, described 1 axle assembly (I) also comprises 1 hubcap (35), 1 bracing strut (34), No. 3 tapered roller bearings (37), 1 axle (6), No. 1 tapered roller bearing (7), No. 1 bearing support (8) and No. 1 lifting gear (10);
it is that bolt connects that 1 hubcap (35) is arranged on the front end face of 1 bracing strut (34), No. 3 tapered roller bearings (37) are arranged in No. 3 bearing holes of 1 bracing strut (34) upper end, the front end of 1 axle (6) inserts in the bearing hole of No. 3 tapered roller bearings (37), it is captive joint that 1 shaft transmission gear (39) is sleeved on 1 axle (6) upper, the other end of 1 axle (6) inserts in the bearing hole of No. 1 tapered roller bearing (7), No. 1 tapered roller bearing (7) is arranged in the groove of No. 1 bearing support (8), No. 1 bearing support (8) is bolted on the front end face of back shroud (16) right side through hole, the external part from the through hole of back shroud (16) right side that No. 1 lifting gear (10) is sleeved on 1 axle (6) is captive joint, No. 1 lifting gear (10) has the 1cm gap along axis direction and back shroud (16).
4. according to the adjustable rear of gear of vehicle rack-and-pinion claimed in claim 3, it is characterized in that, the front end face (37) of described No. 3 tapered roller bearings (37) is connected for contact with the torus aft end face of 1 hubcap (35) trailing flank center, the center of 1 shaft transmission gear (39) two sides is provided with front cylinder and rear cylinder, the aft end face of No. 3 tapered roller bearings (37) is connected for contact with the front end face of the front cylinder of 1 shaft transmission gear (39), after 1 shaft transmission gear (39), the aft end face of cylinder is connected with the front end face contact of No. 1 tapered roller bearing (7), the toric circumferencial direction that No. 1 lifting gear (10) center arranges is evenly arranged 3 screw holes, adopt 3 screws that No. 1 lifting gear (10) is captiveed joint with 1 axle (6).
5. according to the adjustable rear of gear of vehicle rack-and-pinion claimed in claim 1, it is characterized in that, described 2 axle assemblies (II) also comprise No. 12 hubcaps (33), No. 5 tapered roller bearings (47), 2 bracing struts (32), 2 axles (46), No. 4 tapered roller bearings (41) and No. 22 hubcaps (50);
2 bracing struts (32) are connected with vehicle frame lower cover (49) bolt, it is that bolt connects that No. 12 hubcaps (33) are arranged on the front end face of front fork wall of 2 bracing struts (32), it is that bolt connects that No. 22 hubcaps (50) are arranged on the aft end face of back vent wall of 2 bracing struts (32), No. 5 tapered roller bearings (47) are arranged in No. 5 front bearing holes of front fork wall upper end in 2 bracing struts (32), No. 4 tapered roller bearings (41) are arranged in No. 4 rear bearing holes of back vent wall upper end in 2 bracing struts (32), 2 axles (46) are packed in No. 5 tapered roller bearings (47) and No. 4 tapered roller bearings (41) for being rotationally connected, it is upper for captiveing joint with 2 axles (46) between the back vent wall that 2 shaft transmission gears (40) are sleeved on the middle front fork wall of 2 bracing struts (32).
6. according to the adjustable rear of gear of vehicle rack-and-pinion claimed in claim 5, it is characterized in that, the front end face of described No. 5 tapered roller bearings (47) is connected for contact with the toric aft end face of No. 12 hubcaps (33) center, the center of 2 shaft transmission gears (40) two sides is provided with front circle tube neck part and rear circle tube neck part, the front end face of the front circle tube neck part of 2 shaft transmission gears (40) is connected for contact with the aft end face of No. 5 tapered roller bearings (47), the aft end face of the rear neck of 2 shaft transmission gears (40) is connected for contact with the front end face of No. 4 tapered roller bearings (41), the aft end face of No. 4 tapered roller bearings (41) is connected for contact with the front toric front end face of No. 22 hubcaps (50) center.
7. according to the adjustable rear of gear of vehicle rack-and-pinion claimed in claim 1, it is characterized in that, described 3 axle assemblies (III) also comprise large stepping motor (31), large flange (28), plum coupling (45), 3 axles (43), large stepper motor driver (30), deep groove ball bearing (13), spacing collar (12) and 3 axle outer end caps (11);
the base of large flange (28) adopts and is bolted on vehicle frame lower cover (49), large stepping motor (31) adopts the upper end that is bolted to large flange (28), the output shaft of large stepping motor (31) is that spline pair is connected with the front end of plum coupling (45), the rear end of plum coupling (45) is that spline pair is connected with the front end of 3 axles (43), No. 23 shaft transmission gears (44) are sleeved on 3 axles (43) of plum coupling (45) rear side, 3 axles (43) that No. 13 shaft transmission gears (42) are sleeved on No. 23 shaft transmission gears (44) rear side upward are captive joint, deep groove ball bearing (13) is sleeved on the cylinder of spacing collar (12), the larger diameter end of spacing collar (12) is packed in minor diameter blind hole on 3 axle outer end caps (11), the aft end face of deep groove ball bearing (13) is connected for contact with the front end face of the interior shaft shoulder (57) of 3 axle outer end caps (11), 3 axle outer end caps (11) adopt bolt to captive joint with the aft end face of back shroud (16) interstitial hole, the ball bearing housing (58) of 3 axle outer end caps (11) passes the interstitial hole of back shroud (16), large stepper motor driver (30) is connected with large stepping motor (31) electric wire.
8. according to the adjustable rear of gear of vehicle rack-and-pinion claimed in claim 7, it is characterized in that, the aft end face center of described No. 13 shaft transmission gears (42) is provided with the annular arrangement neck No. 1, be mutually 3 No. 1 screw holes of hexagonal angle radially being provided with of No. 1 annular arrangement neck, adopt screw that No. 13 shaft transmission gears (42) are captiveed joint with 3 axles (43), be provided with the annular arrangement neck No. 2 on No. 23 shaft transmission gears (44) trailing flank, the front end face contact of the shaft shoulder on the aft end face of No. 2 annular arrangement necks and 3 axles (43) is connected, No. 23 shaft transmission gears (44) adopt radial screw to captive joint with 3 axles (43), the rear annular end face contact of the shaft shoulder on the front end face of No. 13 shaft transmission gears (42) and 3 axles (43) is connected, No. 13 shaft transmission gears (42) adopt screw to be connected with 3 axles (43), the annular arrangement neck aft end face of No. 13 shaft transmission gears (42) trailing flank center is connected for contact with the front end face of spacing collar (12) cylinder.
9. according to the adjustable rear of gear of vehicle rack-and-pinion claimed in claim 1, it is characterized in that, described 4 axle assemblies (IV) also comprise 4 hubcaps (27), 4 bracing struts (26), No. 2 tapered roller bearings (25), 4 axles (52), No. 6 tapered roller bearings (53), No. 2 bearing support (17) and No. 2 lifting gears (14);
it is that bolt connects that 4 hubcaps (27) are arranged on the front end face of 4 bracing struts (26), No. 2 tapered roller bearings (25) are arranged in No. 2 bearing holes of 4 bracing struts (26) upper end, the front end of 4 axles (52) inserts in the bearing hole of No. 2 tapered roller bearings (25), 4 axles (52) that 4 shaft transmission gears (18) are sleeved on No. 2 tapered roller bearings (25) rear side upward are captive joint, be provided with front cylindrical boss and rear cylindrical boss on the front and back sides of 4 shaft transmission gears (18), the front end face of the front cylindrical boss on 4 shaft transmission gears (18) is connected with the aft end face contact of No. 2 tapered roller bearings (25), insert in the bearing hole of No. 6 tapered roller bearings (53) rear end of 4 axles (52), No. 6 tapered roller bearings (53) are arranged in groove on No. 2 bearing support (17), No. 2 bearing support (17) adopt and are bolted on the front end face of back shroud (16) PATENT left side via, No. 2 lifting gears (14) are sleeved on 4 axles (52) from the external part of back shroud (16) PATENT left side via, uniform 3 screw holes of circumferencial direction of the annulus boss that No. 2 lifting gears (14) center arranges, No. 2 lifting gears (14) adopt screw to captive joint with 4 axles (52) rear ends, No. 2 lifting gears (14) have the 1cm gap along axis direction and back shroud (16).
10. according to the adjustable rear of gear of vehicle rack-and-pinion claimed in claim 1, it is characterized in that, described left slideway assembly (V) comprise No. 2 lifting tooth bars (15), No. 2 slideways (24), No. 2 slide blocks (22), No. 2 magnetic force valve seats (23), No. 2 little stepping motors (19), No. 2 little flanges (51) with No. 2 after protect support (20);
it is that bolt connects that No. 2 lifting tooth bars (15) are arranged on the upper end of protecting support (20) after No. 2, the aft end face of protecting support (20) lower end after No. 2 is connected with the front end face bolt of rear bumper (21) left end, the permanent seat (60) of No. 1 slide block (22) with No. 2 after protect support (20) upper terminal bolt captive joint, the capable slide block of T (59) of No. 1 slide block (22) and No. 2 magnetic force valve seats (23) are successively in from bottom to top the T shape slideway of No. 2 slideways (24) of packing into, the right side of No. 2 magnetic force valve seats (23) is provided with tapped bore, adopt bolt with the left longeron of vehicle frame (29), No. 2 slideways (24) are captiveed joint with No. 2 magnetic force valve seats (23), in No. 2 rotor switchs (56) on output shaft insertion No. 2 magnetic force valve seats (23) aft end face of No. 2 little stepping motors (19), No. 2 rotor switchs (56) on the output shaft of No. 2 little stepping motors (19) and No. 2 magnetic force valve seats (23) are connected for the face contact, the motor flange dish of No. 2 little stepping motors (19) is connected with a terminal bolt of No. 2 little flanges (51), the end that No. 2 little flanges (51) are connected with the motor flange dish is connected with No. 2 magnetic force valve seats (23) aft end face screw, the other end of No. 2 little flanges (51) is connected with the left inside side bolt of the T shape slideway of No. 2 slideways (24), No. 2 little stepping motors (19) are connected with No. 2 little stepper motor drivers (54) electric wire.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310092301.7A CN103144593B (en) | 2013-03-22 | 2013-03-22 | Vehicle gear and rack type adjustable back protecting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310092301.7A CN103144593B (en) | 2013-03-22 | 2013-03-22 | Vehicle gear and rack type adjustable back protecting device |
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| CN103144593A true CN103144593A (en) | 2013-06-12 |
| CN103144593B CN103144593B (en) | 2015-05-06 |
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| CN201310092301.7A Expired - Fee Related CN103144593B (en) | 2013-03-22 | 2013-03-22 | Vehicle gear and rack type adjustable back protecting device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253217A (en) * | 2013-06-06 | 2013-08-21 | 吉林大学 | Self-locking mechanism of adjustable rear protection bracket of heavy duty vehicle |
| CN103344438A (en) * | 2013-07-05 | 2013-10-09 | 吉林大学 | Pinion-and-rack type intelligent rear protection device test bed for heavy-duty vehicle |
| CN103359031A (en) * | 2013-07-26 | 2013-10-23 | 孙博华 | Stepping motor feedback system suitable for adjustable rear protection device of heavy duty vehicle |
| CN108482287A (en) * | 2018-05-04 | 2018-09-04 | 吉林大学 | A kind of automatic emergency rear and method |
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| CN203126741U (en) * | 2013-03-22 | 2013-08-14 | 孙博华 | Pinion-and-rack type adjustable rear protective device of vehicle |
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| CN203126741U (en) * | 2013-03-22 | 2013-08-14 | 孙博华 | Pinion-and-rack type adjustable rear protective device of vehicle |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253217A (en) * | 2013-06-06 | 2013-08-21 | 吉林大学 | Self-locking mechanism of adjustable rear protection bracket of heavy duty vehicle |
| CN103344438A (en) * | 2013-07-05 | 2013-10-09 | 吉林大学 | Pinion-and-rack type intelligent rear protection device test bed for heavy-duty vehicle |
| CN103344438B (en) * | 2013-07-05 | 2015-05-20 | 吉林大学 | Pinion-and-rack type intelligent rear protection device test bed for heavy-duty vehicle |
| CN103359031A (en) * | 2013-07-26 | 2013-10-23 | 孙博华 | Stepping motor feedback system suitable for adjustable rear protection device of heavy duty vehicle |
| 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 |
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| CN103144593B (en) | 2015-05-06 |
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