CN203126741U - Pinion-and-rack type adjustable rear protective device of vehicle - Google Patents
Pinion-and-rack type adjustable rear protective device of vehicle Download PDFInfo
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- CN203126741U CN203126741U CN 201320131195 CN201320131195U CN203126741U CN 203126741 U CN203126741 U CN 203126741U CN 201320131195 CN201320131195 CN 201320131195 CN 201320131195 U CN201320131195 U CN 201320131195U CN 203126741 U CN203126741 U CN 203126741U
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- vehicle frame
- tapered roller
- roller bearings
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Abstract
The utility model discloses a pinion-and-rack type adjustable rear protective device of a vehicle, which aims to solve the problems that the conventional pinion-and-rack type adjustable rear protective device of the vehicle is higher in cost, larger in weight, and not easy to popularize and apply. The pinion-and-rack type adjustable rear protective device of the vehicle comprises a one-shaft assembly, a two-shaft assembly, a three-shaft assembly, a four-shaft assembly, a left slideway assembly, a right slideway assembly and a vehicle frame rear lattice, wherein the three-shaft assembly is mounted in the middle of the vehicle frame rear lattice; the one-shaft assembly is mounted on the right side of the vehicle frame rear lattice; the four-shaft assembly is mounted on the left side of the three-shaft assembly; the two-shaft assembly is mounted between the one-shaft assembly and the three-shaft assembly; a one-shaft transmission gear of the one-shaft assembly is meshed with a two-shaft transmission gear of the two-shaft assembly; a two-shaft transmission gear of the two-shaft assembly is meshed with a second three-shaft transmission gear of the three-shaft assembly; a first three-shaft transmission gear of the three-shaft assembly is meshed with a four-shaft transmission gear of the four-shaft assembly; and the left slideway assembly and the right slideway assembly which are mounted on the left side surface and the right side surface of the vehicle frame rear lattice are in a meshed connection with the four-shaft assembly and the one-shaft assembly sequentially.
Description
Technical field
The utility model relates to a kind of for the back protective device on the vehicle, and or rather, the utility model relates to the adjustable back of a kind of gear of vehicle rack-and-pinion protective device.
Background technology
At present, domestic and international research about protective device behind the heavy-duty vehicle, mainly based on protective device behind the Purely mechanical, behind the Purely mechanical after protective device and the heavy goods vehicles vehicle frame for being rigidly connected, protective device not only influences the crossing ability of heavy goods vehicles behind the Purely mechanical, can sail the damage that causes the back protective device because of vehicle is up on abominable ground again, can't guarantee its favorable protection function.In addition, because the back protection distance ground of heavy-duty vehicle is higher, when the vehicle of types such as car or SUV and heavy goods vehicles knock into the back, cause vehicles such as car or SUV " to pierce " heavy goods vehicles rear overhang part easily, cause great injures and deaths.
Adopt electromechanical integration technology both can be when having guaranteed collision the safety of front vehicle, can improve the crossing ability of vehicle again, the protection vehicle is when normally travelling, protective device is not fragile thereafter.Protective device behind the present part vehicle can't be by the relevant laws and regulations of protecting behind the vehicle.In addition, protect behind the adjustable vehicle of having developed at present based on electromechanical integration, its cost is higher, and weight is bigger, also is difficult for popularizing and promoting.Above-mentioned phenomenon has produced adverse effect for vehicle safety, the life-span of back protective device and the crossing ability of vehicle.
Summary of the invention
Technical problem to be solved in the utility model is to have overcome prior art to have that cost is higher, weight is big, be difficult for the problem popularizing and promote, and the adjustable back of a kind of gear of vehicle rack-and-pinion protective device is provided.
For solving the problems of the technologies described above, the utility model is to adopt following technical scheme to realize: described gear of vehicle rack-and-pinion is adjustable, and the back protective device puts comprises lattice behind 1 axle assembly, 2 axle assemblies, 3 axle assemblies, 4 axle assemblies, left slideway assembly, right slideway assembly and the vehicle frame.
Lattice are made up of vehicle frame right vertical beam, back shroud, vehicle frame left side longeron, front shroud, vehicle frame lower cover and rear bumper arm behind the described vehicle frame.
Vehicle frame right vertical beam, back shroud, vehicle frame left side longeron and front shroud are all the slot type framing member that adopts the steel plate punching press 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 longeron rear portion, a vehicle frame left side, the lap-joint at vehicle frame right vertical beam and vehicle frame left side longeron and back shroud and front shroud two ends adopts the riveted joint mode to connect into rectangular frame, and the vehicle frame lower cover is fixed on the bottom of rectangular frame.3 axle assemblies are installed in the midway location of the vehicle frame lower cover in the lattice behind the vehicle frame, and the rear end of 3 axle assemblies is installed in the interstitial hole of back shroud; 1 axle assembly is installed in the right side of the vehicle frame lower cover in the lattice behind the vehicle frame, and the rear end of 1 axle assembly is installed in the right ports of back shroud; 4 axle assemblies are installed on the vehicle frame lower cover in 3 axle assemblies left side, and the rear end of 4 axle assemblies is installed in the right ports of back shroud; 2 axle assemblies are installed on the 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 side slideway assembly is fixedly mounted on the left surface of the vehicle frame left side longeron in the lattice behind the vehicle frame, right slideway assembly is installed on the right flank of the vehicle frame right vertical beam in the lattice behind the vehicle frame, rear bumper arm is connected with the aft end face bolt of left slideway assembly with right slideway assembly lower end, between 1 axle assembly and the right slideway assembly for being connected with a joggle, between 4 axle assemblies and the left slideway assembly for being connected with a joggle.
Refer to for being connected with a joggle between 1 axle assembly described in the technical scheme and the right slideway assembly: No. 1 lifting gear in 1 axle assembly and No. 1 lifting tooth bar in the right slideway assembly are for being connected with a joggle.Refer to for being connected with a joggle between described 4 axle assemblies and the left slideway assembly (V): No. 2 lifting gears in 4 axle assemblies and No. 2 lifting tooth bars in the left slideway assembly are for being connected with a joggle.
1 axle assembly described in the technical scheme also comprises 1 hubcap, 1 bracing strut, No. 3 tapered roller bearings, 1, No. 1 tapered roller bearing, No. 1 bearing support and No. 1 lifting gear.It is that bolt connects that 1 hubcap is installed on the front end face of 1 bracing strut, No. 3 tapered roller bearing is installed in No. 3 bearing holes of 1 bracing strut upper end, 1 front end inserts in the bearing hole of No. 3 tapered roller bearings, 1 shaft transmission gear is sleeved on 1 and upward is captive joint, the other end of 1 (6) inserts in the bearing hole of No. 1 tapered roller bearing, No. 1 tapered roller bearing is installed 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 1 external part from the through hole of back shroud right side, and 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 the technical scheme is connected for contact with the torus aft end face of 1 hubcap trailing flank center, cylinder and back cylinder before the center of 1 shaft transmission gear two sides is provided with, the aft end face of No. 3 tapered roller bearings is connected for contact with the front end face of the preceding cylinder of 1 shaft transmission gear, the aft end face of cylinder is connected with the front end face contact of No. 1 tapered roller bearing behind 1 shaft transmission gear, the toric circumferencial direction of No. 1 lifting gear center place setting is evenly arranged 3 screw holes, adopts 3 screws that No. 1 lifting gear is captiveed joint with 1.
2 axle assemblies described in the technical scheme also comprise No. 12 hubcaps, No. 5 tapered roller bearings, 2 bracing struts, 2, 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 installed on the front end face of front fork wall of 2 bracing struts, it is that bolt connects that No. 22 hubcaps are installed on the aft end face of back vent wall of 2 bracing struts, No. 5 tapered roller bearing is installed in No. 5 front bearing holes of front fork wall upper end in 2 bracing struts, No. 4 tapered roller bearing is installed in No. 4 rear bearing holes of back vent wall upper end in 2 bracing struts, for being rotationally connected, 2 shaft transmission gears are sleeved on that 2 between the front fork wall and back vent wall go up to captiveing joint in 2 bracing struts in 2 pack into No. 5 tapered roller bearings and No. 4 tapered roller bearings.
The front end face of No. 5 tapered roller bearings described in the technical scheme is connected for contact with the toric aft end face of No. 12 hubcap centers, circle tube neck part and back circle tube neck part before the center of 2 shaft transmission gear two sides is provided with, the front end face of the preceding 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 back neck of 2 shaft transmission gears is connected for contact with the front end face of No. 4 tapered roller bearings, and the aft end face of No. 4 tapered roller bearings is connected for contact with the preceding toric front end face of No. 22 hubcap centers.
3 axle assemblies described in the technical scheme also comprise big stepping motor, big flange, plum blossom coupler, 3, big stepper motor driver, deep groove ball bearing, spacing collar and 3 outer end caps.The base of big flange adopts and is bolted on the vehicle frame lower cover, big stepping motor adopts the upper end that is bolted to big flange, the output shaft of big stepping motor is that spline pair is connected with the front end of plum blossom coupler, the rear end of plum blossom coupler is that spline pair is connected with 3 front end, No. 23 shaft transmission gears are sleeved on 3 of plum blossom coupler rear side, No. 13 shaft transmission gear are sleeved on 3 of No. 23 shaft transmission gear rear sides and go up and be captive joint, deep groove ball bearing is sleeved on the cylinder of spacing collar, the larger diameter end of spacing collar is packed in the minor diameter blind hole on 3 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 outer end caps, 3 outer end caps adopt bolt to captive joint with the aft end face of back shroud interstitial hole, the ball bearing housing of 3 outer end caps passes the interstitial hole of back shroud, and big stepper motor driver is connected with big stepping motor electric wire.
The aft end face center of No. 13 shaft transmission gears described in the 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.No. 23 shaft transmission gear trailing flanks are provided with the annular arrangement neck No. 2, the aft end face of No. 2 annular arrangement necks is connected with the front end face contact of the shaft shoulder on 3, No. 23 shaft transmission gears adopt radial screw to captive joint with 3, the front end face of No. 13 shaft transmission gears is connected with the back annular end face contact of the shaft shoulder on 3, No. 13 shaft transmission gears adopt screw to be connected with 3, and the annular arrangement neck aft end face of No. 13 shaft transmission gear trailing flank centers is connected for contact with the cylinder front end face of spacing collar.
4 axle assemblies described in the technical scheme also comprise 4 hubcaps, 4 bracing struts, No. 2 tapered roller bearings, 4, No. 6 tapered roller bearings, No. 2 bearing support and No. 2 lifting gears.It is that bolt connects that 4 hubcaps are installed on the front end face of 4 bracing struts, No. 2 tapered roller bearing is installed in No. 2 bearing holes of 4 bracing struts upper end, 4 front end inserts in the bearing hole of No. 2 tapered roller bearings, 4 shaft transmission gears are sleeved on 4 of No. 2 tapered roller bearing rear sides and go up and be captive joint, cylindrical boss and back cylindrical boss before the front and back sides of 4 shaft transmission gears is provided with, the front end face of the preceding 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 4 rear end, No. 6 tapered roller bearings are installed in No. 2 grooves on the 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 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 settings, No. 2 the lifting gear adopts screw to captive joint with 4 shaft rear ends, and No. 2 the lifting gear has the 1cm gap along axis direction and back shroud.
Left slideway assembly described in the 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 installed in the upper end of protecting support after No. 2, the aft end face of protecting the support lower end after No. 2 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 the upper end 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 vehicle frame left side longeron, 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 medial surface bolt of the T shape slideway of No. 2 slideways, and No. 2 little stepping motor is connected with No. 2 little stepper motor driver electric wires.
Compared with prior art the beneficial effects of the utility model are:
1. the adjustable back of gear of vehicle rack-and-pinion described in the utility model protective device adopts stepping motor and mechanical drive that the heavy goods vehicles rear bumper is controlled, and then can regulate the terrain clearance of back protection according to actual condition.
2. the adjustable back of gear of vehicle rack-and-pinion described in the utility model protective device is sturdy and durable, and the life-span is long.
3. the adjustable back of gear of vehicle rack-and-pinion described in the utility model protective device is simple in structure, easy for installation; In addition, the cost of protective device was lower after gear of vehicle rack-and-pinion described in the utility model was adjustable, was easy to the marketization.
4. the adjustable back of gear of vehicle rack-and-pinion described in the utility model protective device is safe and reliable, and the output signal of stepping motor is highly sensitive, the precision height.
5. the transmission device part of the adjustable back of gear of vehicle rack-and-pinion described in the utility model protective device can be transformed according to different automobile types, and transformation process is convenient and simple.
6. the adjustable back of gear of vehicle rack-and-pinion described in the utility model protective device 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 back of gear of vehicle rack-and-pinion described in the utility model protective device structural group becomes;
Fig. 2 is the breakdown axonometric projection graph that the adjustable back of gear of vehicle rack-and-pinion described in the utility model protective device structural group becomes;
Fig. 3 is the breakdown axonometric projection graph that 1 axle assembly structure is formed in the protective device of the adjustable back of gear of vehicle rack-and-pinion described in the utility model;
Fig. 4 is the breakdown axonometric projection graph that 2 axle assembly structures are formed in the protective device of the adjustable back of gear of vehicle rack-and-pinion described in the utility model;
Fig. 5 is the breakdown axonometric projection graph that 3 axle assembly structures are formed in the protective device of the adjustable back of gear of vehicle rack-and-pinion described in the utility model;
Fig. 6 is the breakdown axonometric projection graph that 4 axle assembly structures are formed in the protective device of the adjustable back of gear of vehicle rack-and-pinion described in the utility model;
Fig. 7 is that the adjustable back of gear of vehicle rack-and-pinion described in the utility model protective device structural group becomes the position of relative Fig. 1 to change 180 ° axonometric projection graph;
Fig. 8 is the breakdown axonometric projection graph that the adjustable back of gear of vehicle rack-and-pinion described in the utility model protective device middle slideway bracket assembly structure is formed;
Fig. 9 is the axonometric projection graph of No. 1 slide block structure in the protective device of the adjustable back of gear of vehicle rack-and-pinion described in the utility model;
Figure 10 is the axonometric projection graph of No. 1 slideway structure in the protective device of the adjustable back of gear of vehicle rack-and-pinion described in the utility model;
Figure 11 is the axonometric projection graph of No. 2 slideway structures in the protective device of the adjustable back of gear of vehicle rack-and-pinion described in the utility model;
Figure 12 is the axonometric projection graph of No. 1 lifting rack structure in the protective device of the adjustable back of gear of vehicle rack-and-pinion described in the utility model;
Figure 13 is the axonometric projection graph of 1 shaft transmission gear structure in the protective device of the adjustable back of gear of vehicle rack-and-pinion described in the utility model;
Figure 14 is the axonometric projection graph of 3 outer end cap structures in the protective device of the adjustable back of gear of vehicle rack-and-pinion described in the utility model;
Figure 15 is the axonometric projection graph of rear cover plate structure in the protective device of the adjustable back of gear of vehicle rack-and-pinion described in the utility model;
Figure 16 is the axonometric projection graph of protecting supporting structure in the protective device of the adjustable back of gear of vehicle rack-and-pinion described in the utility model after No. 2;
Figure 17-a is the axonometric projection graph of No. 1 magnetic force valve seat in the protective device of the adjustable back of gear of vehicle rack-and-pinion described in the utility model;
Figure 17-b is the axonometric projection graph of No. 2 magnetic force valve seats in the protective device of the adjustable back of gear of vehicle rack-and-pinion described in the utility model;
Figure 18 is the axonometric projection graph of the medium and small stepping motor of gear of vehicle rack-and-pinion described in the utility model adjustable back protective device;
Among the 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 behind the vehicle frame, protect support, No. 2.1 magnetic force valve seats after No. 1.1,3.1 number little flange, No. 4.1 little stepping motors, No. 5.1 slideways, 6.1 axle, No. 7.1 tapered roller bearings, No. 8.1 bearing support, 9.1 number lifting tooth bar, No. 10.1 lifting gears, 11.3 outer end caps, 12. spacing collar, 13. deep groove ball bearings, No. 14.2 lifting gears, 15.2 number lifting tooth bar, 16. back shrouds, No. 17.2 bearing support, 18.4 shaft transmission gear, No. 19.2 little stepping motors are protected support after No. 20.2,21. rear bumper arm, 22.2 number slide block, No. 23.2 magnetic force valve seats, No. 24.2 slideways, 25.2 number tapered roller bearing, 26.4 bracing strut, 27.4 hubcaps, 28. big flanges, 29. vehicle frame left side longeron, 30. big stepper motor driver, 31. big stepping motors, 32.2 bracing struts, 33.1 number 2 hubcaps, 34.1 bracing strut, 35.1 hubcaps, 36. vehicle frame right vertical beams, 37.3 number tapered roller bearing, 38.1 number slide block, 39.1 shaft transmission gears, 40.2 shaft transmission gears, 41.4 number tapered roller bearing, 42.1 number 3 shaft transmission gears, 43.3, No. 44.2 3 shaft transmission gears, 45. plum blossom coupler, 46.2 axle, No. 47.5 tapered roller bearings, 48. front shrouds, 49. vehicle frame lower cover, 50.2 number 2 hubcaps, No. 51.2 little flanges, 52.4,53.6 number tapered roller bearing, 54.2 number little stepper motor driver, No. 55.1 rotor switchs, No. 56.2 rotor switchs, 57. the interior shaft shoulder, 58. ball bearing housing, the capable slide block of 59.T, 60. permanent seats, 61. left bolt Connection Block, 62. right bolt Connection Blocks.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is explained in detail:
Consult Fig. 1 and Fig. 2, described gear of vehicle rack-and-pinion is adjustable, and the back protective device comprises lattice VII behind 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 the vehicle frame.
Described 3 axle assembly III are installed in the midway location of the vehicle frame lower cover 49 among the lattice VII behind the vehicle frame, and the rear end of 3 axle assembly III is installed 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 installed in the right side of the vehicle frame lower cover 49 among the lattice vII behind the vehicle frame, in other words, 1 axle assembly I is installed on the vehicle frame lower cover 49 on 3 axle assembly III right sides, the rear end of 1 axle assembly I is installed 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 installed in the left side of the vehicle frame lower cover 49 among the lattice VII behind the vehicle frame, in other words, 4 axle assembly IV are installed on the vehicle frame lower cover 49 in 3 axle assembly III left side, the rear end of 4 axle assembly IV is installed 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 installed in behind the vehicle frame on the vehicle frame lower cover 49 among the lattice VII, exactly, 2 axle assembly II are installed on the vehicle frame lower cover 49 between 1 axle assembly I and the 3 axle assembly III, the upper surface bolt of the vehicle frame lower cover 49 behind 2 bracing struts 32 in the 2 axle assembly II and the vehicle frame among the lattice VII is connected, 2 shaft transmission gears 40 among the 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 among 2 shaft transmission gears 40 among the 2 axle assembly II and the 3 axle assembly III are connected with a joggle, No. 13 shaft transmission gear 42 in the 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 gears, 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 side slideway assembly V is installed in behind the vehicle frame on vehicle frame left side longeron 29 left surfaces among the lattice VII, and is connected with the left surface bolt of vehicle frame left side longeron 29; Right slideway assembly VI is installed in behind the 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 behind the vehicle frame in the lattice VII is connected with the aft end face bolt of left slideway assembly V with right slideway assembly VI lower end.
Consult Fig. 3,1 axle assembly I is made up of 1 hubcap 35,1 bracing strut 34, No. 3 tapered roller bearings 37,1 shaft transmission gear 39,16, 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 adopts bolt to connect, model is that 30208 No. 3 tapered roller bearings 37 are installed 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.16 front end 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 16, cylinder and back cylinder before the center of 1 shaft transmission gear, 39 two sides is provided with, 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 preceding cylinders, 16 the other end inserts in the bearing hole of No. 1 tapered roller bearing 7 in the groove that is installed in No. 1 bearing support 8, the aft end face of 1 shaft transmission gear, 39 back cylinders is connected with the front end face contact of No. 1 tapered roller bearing 7, No. 1 bearing support 8 is bolted on the back shroud 16 right side through hole front end faces, and the external part from back shroud 16 right side through holes that No. 1 lifting gear 10 is sleeved on 16 is captive joint.No. 1 lifting gear 10 centers are provided with torus, and No. 1 uniform 3 screw holes of the toric circumferencial direction in lifting gear 10 centers can adopt 3 screws to be connected with 16.No. 1 lifting gear 10 has the 1cm gap along axis direction and back shroud 16.1 shaft transmission gear 39 in the 1 axle assembly I and 2 shaft transmission gears 40 in the 2 axle assembly II are connected with a joggle.
Consult Fig. 4,2 axle assembly II are made up of No. 12 hubcaps 33, No. 5 tapered roller bearings 47,2 shaft transmission gears 40,2 bracing struts 32,2 46, No. 4 tapered roller bearings 41, No. 22 hubcaps 50.
Described 2 bracing struts 32 are made up of front fork wall, back vent wall, preceding floor, back floor and rectangular base plate.Be provided with 4 bolts hole on the rectangular base plate of 2 bracing struts 32 equably, 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 installed 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 installed in No. 4 rear bearing holes of back vent wall upper end in 2 bracing struts 32.Pack into for 2 46 in No. 5 tapered roller bearings 47 and No. 4 tapered roller bearings 41 for being rotationally connected, 2 shaft transmission gears 40 are sleeved in 2 bracing struts 32 on 2 46 between the 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 hubcaps, 33 trailing flank centers.Circle tube neck part and back circle tube neck part before the center of 2 shaft transmission gears, 40 two sides is provided with, the front end face of the preceding 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 back 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 preceding toric front end face of No. 22 hubcaps, 50 leading flank centers.1 shaft transmission gear 39 in the right side of 2 shaft transmission gears 40 in the 2 axle assembly II and the 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 made up of big stepping motor 31, big flange 28, plum blossom coupler 45, No. 23 shaft transmission gears 44,3 spools 43, big stepper motor driver 30, No. 13 shaft transmission gear 42, deep groove ball bearing 13, spacing collar 12,3 outer end caps 11.
Described big flange 28 becomes L shaped stainless steel strut for cross-sectional plane, and a vertical hold-down arm is provided with round tube hole therein, is furnished with bolt hole equably around the circular hole, is used for fixing big stepping motor 31, evenly is furnished with 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 3 No. 2 screw holes that are mutually hexagonal angle at No. 2 annular arrangement necks, adopts screw that No. 23 shaft transmission gears 44 are captiveed joint with 3 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 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 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.
Big stepper motor driver 30 is connected with big stepping motor 31 electric wires.Big flange 28 adopts bolt to be connected on the vehicle frame lower cover 49 by its base, the upper end snail of big stepping motor 31 and big flange 28 ties and connects, the output shaft of big stepping motor 31 adopts spline pair to be connected with the front end of plum blossom coupler 45, another of plum blossom coupler 45 (back) end is connected with 3 43 front end employing spline pair, No. 23 shaft transmission gears 44 are sleeved on 3 43 of plum blossom coupler 45 rear sides, the aft end face of No. 2 annular arrangement necks on No. 23 shaft transmission gears 44 is connected with the front end face contact of No. 1 shaft shoulder on 3, and No. 23 shaft transmission gears 44 are captiveed joint with 3 43 employing radial screws.No. 13 shaft transmission gear 42 are sleeved on 3 43 of No. 23 shaft transmission gears, 44 rear sides, the front end face of No. 13 shaft transmission gears 42 is connected with the back annular end face contact of No. 1 shaft shoulder on 3, No. 13 shaft transmission gears 42 adopt screw to be connected with 3 43, and the annular arrangement neck aft end face of No. 13 shaft transmission gears, 42 trailing flank centers is connected for contact 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 the minor diameter blind hole on 3 outer end caps 11, and the aft end face of deep groove ball bearing 13 is connected for contact with the preceding annular end face of the interior shaft shoulder 57 of 3 outer end caps 11.The rotation axis of the ladder blind hole on the rotation axis of spacing collar 12 and 3 outer end caps 11 and the rotation axis conllinear of the interstitial hole on the back shroud 16,3 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 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 the 2 axle assembly II are connected with a joggle.
Consult Fig. 6,4 axle assembly IV are made up of 4 hubcaps 27,4 bracing struts 26, No. 2 tapered roller bearings 25,4 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 installed in No. 2 bearing holes of 4 bracing struts, 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.Cylindrical boss and back cylindrical boss before the front and back sides of 4 shaft transmission gears 18 is provided with, in No. 2 tapered roller bearing 25 bearing holes of front end insertion of 4 52,4 shaft transmission gears 18 are enclosed within and are captive joint on 4 52 of No. 2 tapered roller bearing 25 rear sides, the front end face of the preceding cylindrical boss on 4 shaft transmission gears 18 is connected with the contact of the aft end face of No. 2 tapered roller bearings 25,4 52 the other end inserts and is captive joint in the bearing hole that is installed in No. 2 No. 6 tapered roller bearings 53 in the groove on the 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 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 52 adopt screws to captive joint with 4 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 the 4 axle assembly IV and the 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 made up 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, and protects support 20 upper end snails after the bottom rectangle plate of No. 2 lifting tooth bars 15 and No. 2 and ties and connect.The aft end face of protecting support 20 lower ends after No. 2 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 end snail of protecting support 20 behind No. 2, the permanent seat 60 of No. 1 slide block 22 and (the place ahead, No. 2 lifting tooth bar 15 present positions) ties and connects, 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 vehicle frame left side longeron 29, 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 is formed, 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 medial surface 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 vehicle frame left side longeron 29.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 side 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 made up 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, the bottom rectangle iron plate of No. 1 lifting tooth bar 9 with No. 1 after the upper end snail of guarantor's support 1 tie and connect.The aft end face of protecting support 1 lower end after No. 1 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 end snail of protecting support 1 behind No. 1, No. 1 permanent seat of No. 1 slide block 38 and (the place ahead, No. 1 lifting tooth bar 9 present position) ties and connects, 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 Inboard face 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, the lattice VII is made up of vehicle frame right vertical beam 36, back shroud 16, vehicle frame left side longeron 29, front shroud 48, vehicle frame lower cover 49, rear bumper arm 21 behind the vehicle frame.
Vehicle frame right vertical beam 36, back shroud 16, vehicle frame left side longeron 29 are all the slot type framing member that adopts the steel plate punching press to make with front shroud 48.The notch opposing parallel of the notch of vehicle frame right vertical beam 36 and vehicle frame left side longeron 29 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 longeron 29 rear portions, a vehicle frame left side, and vehicle frame right vertical beam 36 and vehicle frame left side longeron 29 and back shroud 16 adopt the riveted joint mode 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 vehicle frame left side longeron 29 by left slideway assembly V and right slideway assembly VI.
The contrast accompanying drawing is further described function and the principle of work of each parts of the utility model below.
Consult Fig. 1 and Fig. 5, model is that big stepper motor driver 30 electricity of 3M2060 drive big stepping motor 30 rotations, be BF1_16x19 plum blossom coupler 45 by model, drive No. 23 shaft transmission gears 44,3 43, No. 13 shaft transmission gears 42 along self axis rotation; No. 23 shaft transmission gears 44 drive 2 shaft transmission gears 40 along himself axis rotation by the gear meshing transmission, 2 shaft transmission gears 40 drive 1 shaft transmission gear 39 along self axis rotation by the gear meshing transmission, and 1 shaft transmission gear 39 drives No. 1 lifting gear 10 along self axis rotation by 16; 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 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 at vehicle z direction of principal axis.Protect No. 2 slide blocks 38 of support 1 drive after No. 1 and do straight-line motion at 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 at 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 at vehicle z direction of principal axis, protect support 20 after No. 2 lifting tooth bar 15 drives No. 2 and do straight-line motion at vehicle z direction of principal axis.Protect after No. 1 and protect the support 20 common rear bumper arms 21 that drive after support 1 and No. 2 and do straight-line motion at 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 No. 1 magnetic force valve seat 2 and No. 2 magnetic force valve seats 23 respectively rotate, make No. 1 magnetic force valve seat 2 and No. 2 magnetic force valve seats 23 produce magnetic force respectively, finally adsorb with No. 1 slide block 22 and No. 2 slide block 38 magnetic force respectively, 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 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 No. 1 magnetic force valve seat 2 and No. 2 magnetic force valve seats 23 respectively rotate, make No. 1 magnetic force valve seat 2 and No. 2 magnetic force valve seats 23 lose magnetic force respectively, 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 back of a gear of vehicle rack-and-pinion protective device is put, it is characterized in that described gear of vehicle rack-and-pinion is adjustable, and the back protective device puts comprises lattice (VII) behind 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 the vehicle frame;
Lattice behind the described vehicle frame (VII) are made up of vehicle frame right vertical beam (36), back shroud (16), vehicle frame left side longeron (29), front shroud (48), vehicle frame lower cover (49), rear bumper arm (21);
Vehicle frame right vertical beam (36), back shroud (16), vehicle frame left side longeron (29) is all the slot type framing member that adopts the steel plate punching press to make with front shroud (48), 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 longeron (29) rear portion, a vehicle frame left side, vehicle frame right vertical beam (36) adopts the riveted joint mode to connect into rectangular frame with the lap-joint at vehicle frame left side longeron (29) and back shroud (16) and front shroud (48) two ends, and vehicle frame lower cover (49) is fixed on the bottom of rectangular frame;
3 axle assemblies (III) are installed in the midway location of the vehicle frame lower cover (49) in the lattice (VII) behind the vehicle frame, and the rear end of 3 axle assemblies (III) is installed in the interstitial hole of back shroud (16); 1 axle assembly (I) is installed in the right side of the vehicle frame lower cover (49) in the lattice (VII) behind the vehicle frame, and the rear end of 1 axle assembly (I) is installed in the right ports of back shroud (16); 4 axle assemblies (IV) are installed on the vehicle frame lower cover (49) in 3 axle assemblies (III) left side, and the rear end of 4 axle assemblies (IV) is installed in the right ports of back shroud (16); 2 axle assemblies (II) are installed on the 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 side slideway assembly (V) is fixedly mounted on the left surface of the left side longeron of the vehicle frame in the lattice (VII) (29) behind the vehicle frame, right slideway assembly (VI) is installed on the right flank of the vehicle frame right vertical beam (36) in the lattice (VII) behind the vehicle frame, rear bumper arm (21) is connected with the aft end face bolt of left slideway assembly (V) with right slideway assembly (VI) lower end, between 1 axle assembly (I) and the right slideway assembly (VI) for being connected with a joggle, between 4 axle assemblies (IV) and the left slideway assembly (V) for being connected with a joggle.
2. according to the adjustable back of the described gear of vehicle rack-and-pinion of claim 1 protective device, it is characterized in that, refer to for being connected with a joggle between described 1 axle assembly (I) and the right slideway assembly (VI):
No. 1 lifting tooth bar (9) in No. 1 lifting gear (10) in 1 axle assembly (I) and the 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 the left slideway assembly (V):
No. 2 lifting tooth bars (15) in No. 2 lifting gears (14) in 4 axle assemblies (IV) and the left slideway assembly (V) are for being connected with a joggle.
3. according to the adjustable back of the described gear of vehicle rack-and-pinion of claim 1 protective device, 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 (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 installed on the front end face of 1 bracing strut (34), No. 3 tapered roller bearings (37) are installed in No. 3 bearing holes of 1 bracing strut (34) upper end, the front end of 1 (6) inserts in the bearing hole of No. 3 tapered roller bearings (37), 1 shaft transmission gear (39) is sleeved on 1 (6) and upward is captive joint, the other end of 1 (6) inserts in the bearing hole of No. 1 tapered roller bearing (7), No. 1 tapered roller bearing (7) is installed 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 (6) is captive joint, and No. 1 lifting gear (10) has the 1cm gap along axis direction and back shroud (16).
4. according to the adjustable back of the described gear of vehicle rack-and-pinion of claim 3 protective device, 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, cylinder and back cylinder before the center of 1 shaft transmission gear (39) two sides is provided with, the aft end face of No. 3 tapered roller bearings (37) is connected for contact with the front end face of the preceding cylinder of 1 shaft transmission gear (39), the aft end face of 1 shaft transmission gear (39) back 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, adopts 3 screws that No. 1 lifting gear (10) is captiveed joint with 1 (6).
5. according to the adjustable back of the described gear of vehicle rack-and-pinion of claim 1 protective device, 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 (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 installed 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 installed on the aft end face of back vent wall of 2 bracing struts (32), No. 5 tapered roller bearings (47) are installed in No. 5 front bearing holes of front fork wall upper end in 2 bracing struts (32), No. 4 tapered roller bearings (41) are installed in No. 4 rear bearing holes of back vent wall upper end in 2 bracing struts (32), pack in No. 5 tapered roller bearings (47) and No. 4 tapered roller bearings (41) for being rotationally connected 2 (46), and 2 shaft transmission gears (40) are sleeved in 2 bracing struts (32) on 2 (46) between the front fork wall and back vent wall to captiveing joint.
6. according to the adjustable back of the described gear of vehicle rack-and-pinion of claim 5 protective device, 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, circle tube neck part and back circle tube neck part before the center of 2 shaft transmission gears (40) two sides is provided with, the front end face of the preceding 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 back neck of 2 shaft transmission gears (40) is connected for contact with the front end face of No. 4 tapered roller bearings (41), and the aft end face of No. 4 tapered roller bearings (41) is connected for contact with the preceding toric front end face of No. 22 hubcaps (50) center.
7. according to the adjustable back of the described gear of vehicle rack-and-pinion of claim 1 protective device, it is characterized in that described 3 axle assemblies (III) also comprise big stepping motor (31), big flange (28), plum blossom coupler (45), 3 (43), big stepper motor driver (30), deep groove ball bearing (13), spacing collar (12) and 3 outer end caps (11);
The base of big flange (28) adopts and is bolted on the vehicle frame lower cover (49), big stepping motor (31) adopts the upper end that is bolted to big flange (28), the output shaft of big stepping motor (31) is that spline pair is connected with the front end of plum blossom coupler (45), the rear end of plum blossom coupler (45) is that spline pair is connected with the front end of 3 (43), No. 23 shaft transmission gears (44) are sleeved on 3 (43) of plum blossom coupler (45) rear side, 3 (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 the minor diameter blind hole on 3 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 outer end caps (11), 3 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 outer end caps (11) passes the interstitial hole of back shroud (16), and big stepper motor driver (30) is connected with big stepping motor (31) electric wire.
8. according to the adjustable back of the described gear of vehicle rack-and-pinion of claim 7 protective device, 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 (43); No. 23 shaft transmission gears (44) trailing flank is provided with the annular arrangement neck No. 2, the front end face contact of the shaft shoulder on the aft end face of No. 2 annular arrangement necks and 3 (43) is connected, No. 23 shaft transmission gears (44) adopt radial screw to captive joint with 3 (43), the back annular end face contact of the shaft shoulder on the front end face of No. 13 shaft transmission gears (42) and 3 (43) is connected, No. 13 shaft transmission gears (42) adopt screw to be connected with 3 (43), and 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 back of the described gear of vehicle rack-and-pinion of claim 1 protective device, 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 (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 installed on the front end face of 4 bracing struts (26), No. 2 tapered roller bearings (25) are installed in No. 2 bearing holes of 4 bracing struts (26) upper end, the front end of 4 (52) inserts in the bearing hole of No. 2 tapered roller bearings (25), 4 (52) that 4 shaft transmission gears (18) are sleeved on No. 2 tapered roller bearings (25) rear side upward are captive joint, cylindrical boss and back cylindrical boss before the front and back sides of 4 shaft transmission gears (18) is provided with, the front end face of the preceding 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 (52), No. 6 tapered roller bearings (53) are installed in the 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 (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 (52) rear ends, and No. 2 lifting gears (14) have the 1cm gap along axis direction and back shroud (16).
10. according to the adjustable back of the described gear of vehicle rack-and-pinion of claim 1 protective device, 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 installed in 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) the upper end 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 vehicle frame left side longeron (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 medial surface bolt of the T shape slideway of No. 2 slideways (24), and No. 2 little stepping motors (19) are connected with No. 2 little stepper motor drivers (54) electric wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320131195 CN203126741U (en) | 2013-03-22 | 2013-03-22 | Pinion-and-rack type adjustable rear protective device of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320131195 CN203126741U (en) | 2013-03-22 | 2013-03-22 | Pinion-and-rack type adjustable rear protective device of vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203126741U true CN203126741U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320131195 Expired - Lifetime CN203126741U (en) | 2013-03-22 | 2013-03-22 | Pinion-and-rack type adjustable rear protective device of vehicle |
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| Country | Link |
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| CN (1) | CN203126741U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144593A (en) * | 2013-03-22 | 2013-06-12 | 孙博华 | Vehicle gear and rack type adjustable back protecting device |
| CN103895596A (en) * | 2014-04-17 | 2014-07-02 | 吉林大学 | Heavy-duty vehicle gear-rack type secondary rear protection device |
| CN107351795A (en) * | 2017-08-28 | 2017-11-17 | 吉林大学 | The main passive security of heavy-duty car integrates rear |
-
2013
- 2013-03-22 CN CN 201320131195 patent/CN203126741U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144593A (en) * | 2013-03-22 | 2013-06-12 | 孙博华 | Vehicle gear and rack type adjustable back protecting device |
| CN103144593B (en) * | 2013-03-22 | 2015-05-06 | 孙博华 | Vehicle gear and rack type adjustable back protecting device |
| CN103895596A (en) * | 2014-04-17 | 2014-07-02 | 吉林大学 | Heavy-duty vehicle gear-rack type secondary rear protection device |
| CN103895596B (en) * | 2014-04-17 | 2015-12-09 | 吉林大学 | Heavy goods vehicles pinion and-rack secondary rear |
| CN107351795A (en) * | 2017-08-28 | 2017-11-17 | 吉林大学 | The main passive security of heavy-duty car integrates rear |
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