CN105667583A - Centralized arrangement type electric hydraulic power steering system for large-scale full-bearing passenger car - Google Patents
Centralized arrangement type electric hydraulic power steering system for large-scale full-bearing passenger car Download PDFInfo
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- CN105667583A CN105667583A CN201610008264.0A CN201610008264A CN105667583A CN 105667583 A CN105667583 A CN 105667583A CN 201610008264 A CN201610008264 A CN 201610008264A CN 105667583 A CN105667583 A CN 105667583A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/062—Details, component parts
- B62D5/064—Pump driven independently from vehicle engine, e.g. electric driven pump
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Abstract
The invention relates to a centralized arrangement type electric hydraulic power steering system for a large-scale full-bearing passenger car. The centralized arrangement type electric hydraulic power steering system comprises a frame system, a steering pull rod system and a steering pipeline system, wherein the frame system comprises a left stringer for a frame, a first beam for the frame, a second beam for the frame, an edge beam framework for the frame, an upper stringer frame for the frame, a rear beam framework for the frame, and an edge stringer for the frame; the steering pull rod system comprises a steering diverter, a steering diverter bracket, a steering intermediate transmission shaft, a steering engine, a steering engine bracket, a steering drop arm and a steering drag rod; the steering pipeline system comprises a steering oil tank, an electric steering pump, the steering engine, an oil inlet pipeline, a high-pressure pipeline and a low-pressure pipeline. The centralized arrangement type electric hydraulic power steering system disclosed by the invention not only is easy to arrange and high in the height of a low drive zone, but also is convenient to assemble and disassemble.
Description
Technical field
The present invention relates to the arrangement of a kind of automobile steering system, belong to automobile steering system technical field, particularly relate to the centralized arrangement formula electric hydraulic power-assisted steering system of large-scale all-loading coach, it is primarily adapted for use in the arrangement of the electric hydraulic power-assisted steering system that a kind of applicable hybrid power or pure electric coach are provided, and arrange that driver's compartment height easy, low is higher, easy installation and removal.
Background technology
According to GB7258 2012 " motor vehicles safe and technical specification ", the particular/special requirement of its 11.2nd chapters and sections passenger vehicle: vehicle commander's highway passenger vehicle more than 11m and sightseeing bus and all sleeping cars, vehicle body should be full carrying integral frame structure. Body frame structure for automotive and the section bar of large-scale all-loading coach change, and adopt square tube beam welding, therefore the structure of the arrangement of conventional steering system, each support and fixed form are all difficult to meet arrangement requirement.
And, motorbus front overhang is longer, and what steering was generally adopted steering reversing device transition turns to the horizontal simplex pull rod arrangement of pusher side. Lateral recumbent posture turns to the layout of machine, is also required to seek a kind of new rack arrangement structure for all-loading coach.
Additionally, the steering of hybrid power or pure electric coach is generally adopted electric hydaulic force aid system, electric powered steering pump provide hydraulic booster. Being also required to consider centralization to the layout of electric powered steering pump, steering reservoir and steering hydraulic pipeline, minimizing takes up room, and improves space availability ratio, shortens length of pipe, reduces cost.
Chinese patent application publication No. is CN104590364A, the low prone type arrangement driving head of district's front overhang passenger vehicle steering of Shen Qing Publication day a kind of full carrying that has been the Invention Announce on May 6th, 2015, including low longeron, high longeron, transition longeron, fore-stock, medium-height trestle, in after buttress brace, after-poppet, supporting plate, diverter, intermediate propeller shaft, turn to mechanical, electrical dynamic steering pump, steering reservoir and steering drag link; Wherein, low longeron, transition longeron, high longeron, fore-stock, in after buttress brace, after-poppet be all square tube girder construction, applicable entirely carry structure; The hierarchic structure that low longeron, high longeron, transition longeron are formed is suitable for low driver's compartment structure;Fore-stock, medium-height trestle, in after buttress brace, after-poppet be suitable for long front overhang and arrange, be suitable for turning to the integrated layout of mechanical, electrical dynamic steering pump, steering reservoir after supporting plate in addition. Although this invention can be suitably used for full carrying low driving head of district's front overhang passenger vehicle, integration degree is higher, but it yet suffers from following defect:
First, this invention adopts and turns to machine prone type, prone type arrangement include except low longeron, turn to machine, intermediate propeller shaft, steering drag link except, also include medium-height trestle, after-poppet, in after buttress brace, high longeron, such design not only makes layout more complicated, and low driver's compartment height is relatively low;
Secondly, this invention adopts and turns to machine, steering reservoir, turns to electrodynamic pump support monoblock type, and integral support structure is more complicated so that installing/dismounting is inconvenient.
Summary of the invention
It is an object of the invention to overcome the layout driver's compartment height complicated, low existed in prior art relatively low, the defect of installing/dismounting inconvenience and problem, driver's compartment height easy, low is higher to provide one to arrange, the centralized arrangement formula electric hydraulic power-assisted steering system of the large-scale all-loading coach of easy installation and removal.
For realizing object above, the technical solution of the present invention is: the centralized arrangement formula electric hydraulic power-assisted steering system of a kind of large-scale all-loading coach, including the left longeron of vehicle frame, vehicle frame first crossbeam, vehicle frame second cross beam, vehicle frame first crossbeam is positioned at the position on the left of the left longeron of vehicle frame and is connected to steering reversing device, vehicle frame limit crossbeam frame it is provided with between vehicle frame first crossbeam and vehicle frame second cross beam, the right-hand member of vehicle frame limit crossbeam frame is vertical with the left side of the left longeron of vehicle frame to be connected, it is provided with steering gear bracket between vehicle frame limit crossbeam frame and vehicle frame second cross beam, steering gear bracket is connected to and turns to machine,
The left longeron of described vehicle frame is between vehicle frame first crossbeam and vehicle frame second cross beam, the front end of the left longeron of vehicle frame is vertical with the rear end face of vehicle frame first crossbeam to be connected, the rear end of the left longeron of vehicle frame is vertical with the front end face of vehicle frame second cross beam to be connected, the front end of described steering gear bracket is vertical with the rear end of vehicle frame limit crossbeam frame to be connected, the rear end of steering gear bracket is vertical with the front end face of vehicle frame second cross beam to be connected, the left side of steering gear bracket is connected with the bottom turning to machine, being positioned in the crossbeam frame of described vehicle frame limit turns to the position on the left of machine to be connected to steering reservoir, vehicle frame second cross beam is positioned at and turns to the position on the left of machine to be connected to electric powered steering pump.
The entablature being arranged above being parallel to each other with it of the left longeron of described vehicle frame, the front end of entablature is connected with on first, the upper end of vertical beam is vertical, on first, the lower end of vertical beam is vertical with the upper surface of vehicle frame first crossbeam is connected, the rear end of entablature is connected with on second, the upper end of vertical beam is vertical, on second, the lower end of vertical beam is vertical with the upper surface of vehicle frame second cross beam is connected, be provided with between entablature and the left longeron of vehicle frame with first on vertical beam, vertical beam vertical beam on the parallel 3rd mutually on second, the upper end of vertical beam and the lower surface of entablature is vertical is connected on 3rd, on 3rd, the lower end of vertical beam is vertical with the upper surface of the left longeron of vehicle frame is connected, described entablature, vertical beam on first, vertical beam on second, on 3rd, vertical beam constitutes longeron framework on vehicle frame,
The rear cross beam being arranged above being parallel to each other with it of described vehicle frame second cross beam, on the right-hand member of rear cross beam and second, the left side of vertical beam is vertical connects, be provided with between rear cross beam and vehicle frame second cross beam with second on the rear vertical beam that is parallel to each other of vertical beam, the upper end of rear vertical beam is vertical with the lower surface of rear cross beam to be connected, the lower end of rear vertical beam is vertical with the upper surface of vehicle frame second cross beam to be connected, and described rear cross beam, rear vertical beam constitute Aft cross member framework.
Described vehicle frame limit crossbeam frame includes the first limit crossbeam setting gradually from top to bottom and being parallel to each other, second limit crossbeam, 3rd limit crossbeam, the the first limit vertical beam being parallel to each other from left to right it is disposed with between first limit crossbeam and the 3rd limit crossbeam, second limit vertical beam, the right-hand member of the first limit crossbeam is vertical with the left side of entablature to be connected, the left end of the first limit crossbeam is vertical with the upper end of the first limit vertical beam to be connected, the lower end of the first limit vertical beam is vertical with the left end of the 3rd limit crossbeam to be connected, the right-hand member of the 3rd limit crossbeam is vertical with the left side of the left longeron of vehicle frame to be connected, the upper end of described second limit vertical beam is vertical with the lower surface of the first limit crossbeam to be connected, the lower end of the second limit vertical beam is vertical with the upper surface of the 3rd limit crossbeam to be connected, described second limit crossbeam is on the second limit vertical beam and the 3rd between vertical beam, the left end of the second limit crossbeam is vertical with the right side of the second limit vertical beam to be connected, on the right-hand member and the 3rd of the second limit crossbeam, the left side of vertical beam is vertical connects,
It is provided with frame side member between described second limit vertical beam and rear vertical beam, the front end of frame side member is positioned at the second limit vertical beam rear end face that the second limit vertical beam is vertical with the position of the second crossbeam junction, limit to be connected, and the rear end of frame side member is vertical with the front end face of rear vertical beam to be connected;
The frame system and frame of the centralized arrangement formula electric hydraulic power-assisted steering system of longeron framework, Aft cross member framework, the frame side member large-scale all-loading coach of composition on the left longeron of described vehicle frame, vehicle frame first crossbeam, vehicle frame second cross beam, vehicle frame limit crossbeam frame, vehicle frame.
The steering gear bracket being parallel to each other with the left longeron of vehicle frame it is provided with between described second limit vertical beam and vehicle frame second cross beam, being provided with installation on steering gear bracket turns to turn to machine installing hole, the machine output shaft of turning to of machine to pass hole, turns to machine to pass through bolt and is connected with the machine installing hole of turning to;
The upper end of described steering gear bracket is provided with bending edges, front end is provided with front bending edges, rear end is provided with rear bending edges, upper bending edges welds mutually with the lower surface of frame side member, the rear end face of front bending edges and the second limit vertical beam welds mutually, and rear bending edges homogeneously welds with the front end face of the front end face of vehicle frame second cross beam, rear vertical beam;
It is provided with front bending breach between upper end and the front end of upper bending edges of described front bending edges, between rear end and the upper end of rear bending edges of upper bending edges, is provided with rear bending breach.
Described vehicle frame first crossbeam is positioned at the position on the left of the left longeron of vehicle frame and is provided with steering reversing device support, steering reversing device support includes riser, lower cross plate, the front end vertical welding of the lower end of riser and lower cross plate, the front end face of riser welds mutually with the rear end face of vehicle frame first crossbeam, lower cross plate is provided with the steering reversing device installing hole installing steering reversing device, steering reversing device is connected with steering reversing device installing hole by bolt, reinforcement diagonal bar it is welded with, riser and be provided with lightening hole on lower cross plate between riser and lower cross plate;
The outfan of described steering reversing device is connected with the front end turning to intermediate propeller shaft, the rear end turning to intermediate propeller shaft is connected with the power shaft turning to machine, the lower end that the diverted machine output shaft of output shaft of machine passes Kong Houyu pitman arm is turned to be connected, the upper end of pitman arm is connected with the front end of steering drag link, and the rear end of steering drag link is connected with joint arm on propons;
Described steering reversing device and steering reversing device support, turn to intermediate propeller shaft, turn to machine and steering gear bracket, pitman arm, steering drag link to constitute the steering linkage system of centralized arrangement formula electric hydraulic power-assisted steering system of large-scale all-loading coach.
Described steering reversing device support also includes upper cross plate, and the upper end vertical welding of the rear end of upper cross plate and riser, the lower surface of upper cross plate is welded mutually with the upper surface of vehicle frame first crossbeam.
Described first limit vertical beam is provided with the steering reservoir support being parallel to each other with the first limit crossbeam, steering reservoir support is rectangular flat plate structure, front end face on the left of steering reservoir support is welded on the rear end face of the first vertical beam lower end, limit, the right side of steering reservoir support is provided with tank setting hole to install steering reservoir, and steering reservoir is connected with tank setting hole by bolt;
Described vehicle frame second cross beam is provided with two electric powered steering pump supports, electric powered steering pump support is symmetrically welded on the front outside of belly and the rear outside of belly of vehicle frame second cross beam left end, electric powered steering pump support includes transverse slat connected vertically and starting stave, starting stave is positioned at below transverse slat and welds mutually with the outside of belly of vehicle frame second cross beam, starting stave is provided with welding hole, transverse slat is provided with installing hole to install electric powered steering pump, it is provided with reinforcement diagonal brace between transverse slat lower surface and starting stave front end face, between transverse slat and electric powered steering pump, is provided with damping cushion.
Described steering reservoir is connected with electric powered steering pump by in-line, electric powered steering pump is connected with turning to machine by pressure duct, turn to machine to be connected with steering reservoir by low pressure line, described steering reservoir, electric powered steering pump, turn to machine, in-line, pressure duct, low pressure line constitute large-scale all-loading coach centralized arrangement formula electric hydraulic power-assisted steering system turn to pipe-line system;
Described frame system and frame, steering linkage system, pipe-line system is turned to constitute the centralized arrangement formula electric hydraulic power-assisted steering system of large-scale all-loading coach.
Described electric powered steering pump is made up of motor and steering pump, and motor is the one in direct current generator, alternating current generator, brush motor, brushless electric machine, permagnetic synchronous motor.
The left longeron of described vehicle frame is made up of anterior right-angled trapezium square tube girder construction and rear portion rectangular square tube girder construction, vehicle frame left longeron front-end cross-sectional view is little, cross sectional rear end face is big, described vehicle frame first crossbeam is rectangular square tube girder construction, described vehicle frame second cross beam is made up of two ends right-angled trapezium square tube girder construction and intermediate rectangular square tube girder construction, vehicle frame second cross beam two ends cross section is little, and intermediate cross-section is big, and described frame side member is rectangular square tube girder construction;
Described vehicle frame first crossbeam, vehicle frame second cross beam, vehicle frame limit crossbeam frame left end all weld mutually with body side wall;
Longeron framework on described vehicle frame limit crossbeam frame, vehicle frame, Aft cross member framework manufacture material be all rectangular square tube beam.
Compared with prior art, the invention have the benefit that
1, due in the centralized arrangement formula electric hydraulic power-assisted steering system of a kind of large-scale all-loading coach of the present invention the left longeron of vehicle frame between vehicle frame first crossbeam and vehicle frame second cross beam, vehicle frame first crossbeam is connected to steering reversing device, vehicle frame limit crossbeam frame it is provided with between vehicle frame first crossbeam and vehicle frame second cross beam, it is provided with steering gear bracket between vehicle frame limit crossbeam frame and vehicle frame second cross beam, the left side of steering gear bracket is connected with the bottom turning to machine, vehicle frame limit crossbeam frame is connected to steering reservoir, vehicle frame second cross beam is connected to electric powered steering pump, such design considers the construction features of second cross beam on vehicle frame on the one hand, employing turns to the horizontal layout of pusher side, make to arrange easily, the height of low driver's compartment is higher, turn to machine on the other hand, steering reservoir, electric powered steering pump adopts split type layout, make installing/dismounting convenient. therefore, the present invention not only arranges, and driver's compartment height easy, low is higher, and easy installation and removal.
2, owing in the centralized arrangement formula electric hydraulic power-assisted steering system of a kind of large-scale all-loading coach of the present invention, frame system and frame includes the left longeron of vehicle frame, vehicle frame first crossbeam, vehicle frame second cross beam, vehicle frame limit crossbeam frame, longeron framework on vehicle frame, Aft cross member framework, frame side member, vehicle frame limit crossbeam frame includes the first limit crossbeam setting gradually from top to bottom and being parallel to each other, second limit crossbeam, 3rd limit crossbeam, the the first limit vertical beam being parallel to each other from left to right it is disposed with between first limit crossbeam and the 3rd limit crossbeam, second limit vertical beam, on vehicle frame, longeron framework includes entablature, vertical beam on first, vertical beam on second, vertical beam on 3rd, Aft cross member framework includes rear cross beam, rear vertical beam, such design makes each support perimeter frame structure arrange closely, structural strength is good.Therefore, present configuration arranges that closely structural strength is good.
3, owing in the centralized arrangement formula electric hydraulic power-assisted steering system of a kind of large-scale all-loading coach of the present invention, steering reversing device support adopts Z-shaped flat board bending assembling welding part or L-type flat board bending assembling welding part, reinforcement diagonal bar it is welded with between riser and lower cross plate, steering gear bracket adopts flat board bending part, three Edge Bends are strengthened, steering reservoir support is rectangular flat plate structure, electric powered steering pump support is symmetrically welded on the front outside of belly and the rear outside of belly of vehicle frame second cross beam left end, electric powered steering pump support adopts flat board to be bent into reverse L type structure, reinforcement diagonal brace it is provided with between transverse slat lower surface and starting stave front end face, damping cushion it is provided with between transverse slat and electric powered steering pump, such design not only makes each supporting structure simple on the one hand, weld size is easy to control, and make to turn to machine, steering reservoir, the underlying space of electric powered steering pump is big, facilitate installing/dismounting, on the other hand, not only by arranging reinforcement diagonal bar, strengthen diagonal brace and increase support intensity, and reach damping effect by arranging damping cushion. therefore, the present invention is not only simple in structure, is easy to positioning welding, facilitates installing/dismounting, and intensity is high, damping property is good.
4, due in the centralized arrangement formula electric hydraulic power-assisted steering system of a kind of large-scale all-loading coach of the present invention steering reservoir and electric powered steering pump be all disposed within turning near machine, be in one maintenance storehouse in, characteristics of compact layout, centralization degree is higher. Therefore, centralized arrangement degree of the present invention is higher, takes up room less, it is simple to maintenance.
5, due to steering reservoir, electric powered steering pump in the centralized arrangement formula electric hydraulic power-assisted steering system of a kind of large-scale all-loading coach of the present invention, turning to machine characteristics of compact layout, connecting line is all shorter, can improve efficiency of assembling, it is possible to save cost. Therefore, the connecting tube of the present invention is short out, and efficiency of assembling is high, and cost is low.
6, due in the centralized arrangement formula electric hydraulic power-assisted steering system of a kind of large-scale all-loading coach of the present invention electric powered steering pump be made up of motor and steering pump, the operation of motor is controlled according to integrated vehicle control tactics, there is provided hydraulic booster function, it is adaptable to hybrid power or pure electric coach; The left longeron of vehicle frame, vehicle frame first crossbeam, vehicle frame second cross beam, frame side member are all square tube girder construction, vehicle frame first crossbeam, vehicle frame second cross beam, vehicle frame limit crossbeam frame left end all weld mutually with body side wall, longeron framework on vehicle frame limit crossbeam frame, vehicle frame, Aft cross member framework manufacture material be all rectangular square tube beam, such demand being designed to meet all-loading coach. Therefore, the present invention is applicable not only to hybrid power or pure electric coach, and disclosure satisfy that the demand of all-loading coach.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of electric hydaulic force aid system in the present invention.
Fig. 3 is the structural representation of frame system and frame and each support in the present invention.
Fig. 4 is the structural representation turning to machine and steering reservoir to install in the present invention.
Fig. 5 is the structural representation that in the present invention, electric powered steering pump is installed.
Fig. 6 is electric powered steering pump mounting bracket welded structure schematic diagram in the present invention.
Fig. 7 is the structural representation of electric powered steering pump mounting bracket in the present invention.
Fig. 8 is the orientation diagram of Fig. 1 to Fig. 7.
In figure: frame system and frame 1, the left longeron 11 of vehicle frame, vehicle frame first crossbeam 12, vehicle frame second cross beam 13, vehicle frame limit crossbeam frame 14, first limit crossbeam 141, second limit crossbeam 142, 3rd limit crossbeam 143, first limit vertical beam 144, second limit vertical beam 145, longeron framework 15 on vehicle frame, entablature 151, vertical beam 152 on first, vertical beam 153 on 3rd, vertical beam 154 on second, Aft cross member framework 16, rear cross beam 161, rear vertical beam 162, frame side member 17, steering reversing device 2, steering reversing device support 21, upper cross plate 211, riser 212, lower cross plate 213, steering reversing device installing hole 214, strengthen diagonal bar 215, lightening hole 216, turn to intermediate propeller shaft 3, turn to machine 4, steering gear bracket 41, turn to machine installing hole 411, the machine output shaft of turning to passes hole 412, upper bending edges 413, front bending edges 414, rear bending edges 415, front bending breach 416, rear bending breach 417, output shaft 42, pitman arm 5, steering drag link 6, steering reservoir 7, steering reservoir support 71, tank setting hole 711, electric powered steering pump 8, electric powered steering pump support 81, transverse slat 811, starting stave 812, strengthen diagonal brace 813, installing hole 814, welding hole 815, damping cushion 82, turn to pipe-line system 9, in-line 91, pressure duct 92, low pressure line 93, steering linkage system 10.
Detailed description of the invention
Illustrate that the present invention is further detailed explanation with detailed description of the invention below in conjunction with accompanying drawing.
Referring to Fig. 1 to Fig. 8, a kind of centralized arrangement formula electric hydraulic power-assisted steering system of large-scale all-loading coach, including the left longeron 11 of vehicle frame, vehicle frame first crossbeam 12, vehicle frame second cross beam 13, vehicle frame first crossbeam 12 is positioned at the position on the left of the left longeron 11 of vehicle frame and is connected to steering reversing device 2, vehicle frame limit crossbeam frame 14 it is provided with between vehicle frame first crossbeam 12 and vehicle frame second cross beam 13, the right-hand member of vehicle frame limit crossbeam frame 14 is vertical with the left side of the left longeron of vehicle frame 11 to be connected, it is provided with steering gear bracket 41 between vehicle frame limit crossbeam frame 14 and vehicle frame second cross beam 13, steering gear bracket 41 is connected to and turns to machine 4,
The left longeron 11 of described vehicle frame is between vehicle frame first crossbeam 12 and vehicle frame second cross beam 13, the front end of the left longeron of vehicle frame 11 is vertical with the rear end face of vehicle frame first crossbeam 12 to be connected, the rear end of the left longeron of vehicle frame 11 is vertical with the front end face of vehicle frame second cross beam 13 to be connected, the front end of described steering gear bracket 41 is vertical with the rear end of vehicle frame limit crossbeam frame 14 to be connected, the rear end of steering gear bracket 41 is vertical with the front end face of vehicle frame second cross beam 13 to be connected, the left side of steering gear bracket 41 is connected with the bottom turning to machine 4, being positioned in described vehicle frame limit crossbeam frame 14 turns to the position on the left of machine 4 to be connected to steering reservoir 7, vehicle frame second cross beam 13 is positioned at and turns to the position on the left of machine 4 to be connected to electric powered steering pump 8.
The entablature 151 being arranged above being parallel to each other with it of the left longeron 11 of described vehicle frame, the front end of entablature 151 is vertical with the upper end of vertical beam on first 152 to be connected, on first, the lower end of vertical beam 152 is vertical with the upper surface of vehicle frame first crossbeam 12 is connected, the rear end of entablature 151 is vertical with the upper end of vertical beam on second 154 to be connected, on second, the lower end of vertical beam 154 is vertical with the upper surface of vehicle frame second cross beam 13 is connected, be provided with between entablature 151 and the left longeron 11 of vehicle frame with first on vertical beam 152, vertical beam 154 vertical beam 153 on the parallel 3rd mutually on second, on 3rd, the upper end of vertical beam 153 is vertical with the lower surface of entablature 151 is connected, on 3rd, the lower end of vertical beam 153 is vertical with the upper surface of the left longeron of vehicle frame 11 is connected, described entablature 151, vertical beam 152 on first, vertical beam 154 on second, on 3rd, vertical beam 153 constitutes longeron framework 15 on vehicle frame,
The rear cross beam 161 being arranged above being parallel to each other with it of described vehicle frame second cross beam 13, on the right-hand member of rear cross beam 161 and second, the left side of vertical beam 154 is vertical connects, be provided with between rear cross beam 161 and vehicle frame second cross beam 13 with second on the rear vertical beam 162 that is parallel to each other of vertical beam 154, the upper end of rear vertical beam 162 is vertical with the lower surface of rear cross beam 161 to be connected, the lower end of rear vertical beam 162 is vertical with the upper surface of vehicle frame second cross beam 13 to be connected, and described rear cross beam 161, rear vertical beam 162 constitute Aft cross member framework 16.
Described vehicle frame limit crossbeam frame 14 includes the first limit crossbeam 141 setting gradually from top to bottom and being parallel to each other, second limit crossbeam 142, 3rd limit crossbeam 143, from left to right it is disposed with, between first limit crossbeam 141 and the 3rd limit crossbeam 143, the first limit vertical beam 144 being parallel to each other, second limit vertical beam 145, the right-hand member of the first limit crossbeam 141 is vertical with the left side of entablature 151 to be connected, the left end of the first limit crossbeam 141 is vertical with the upper end of the first limit vertical beam 144 to be connected, the lower end of the first limit vertical beam 144 is vertical with the left end of the 3rd limit crossbeam 143 to be connected, the right-hand member of the 3rd limit crossbeam 143 is vertical with the left side of the left longeron of vehicle frame 11 to be connected, the upper end of described second limit vertical beam 145 is vertical with the lower surface of the first limit crossbeam 141 to be connected, the lower end of the second limit vertical beam 145 is vertical with the upper surface of the 3rd limit crossbeam 143 to be connected, described second limit crossbeam 142 is on the second limit vertical beam 145 and the 3rd between vertical beam 153, the left end of the second limit crossbeam 142 is vertical with the right side of the second limit vertical beam 145 to be connected, on the right-hand member and the 3rd of the second limit crossbeam 142, the left side of vertical beam 153 is vertical connects,
It is provided with frame side member 17 between described second limit vertical beam 145 and rear vertical beam 162, the front end of frame side member 17 is positioned at the second limit vertical beam 145 rear end face that the second limit vertical beam 145 is vertical with the position of the second limit crossbeam 142 junction to be connected, and the rear end of frame side member 17 is vertical with the front end face of rear vertical beam 162 to be connected;
Longeron framework 15 on the left longeron of described vehicle frame 11, vehicle frame first crossbeam 12, vehicle frame second cross beam 13, vehicle frame limit crossbeam frame 14, vehicle frame, Aft cross member framework 16, frame side member 17 constitute the frame system and frame 1 of the centralized arrangement formula electric hydraulic power-assisted steering system of large-scale all-loading coach.
The steering gear bracket 41 being parallel to each other with the left longeron 11 of vehicle frame it is provided with between described second limit vertical beam 145 and vehicle frame second cross beam 13, being provided with installation on steering gear bracket 41 turns to turn to machine installing hole 411, the machine output shaft of turning to of machine 4 to pass hole 412, turns to machine 4 to be connected with turning to machine installing hole 411 by bolt;
The upper end of described steering gear bracket 41 is provided with bending edges 413, front end is provided with front bending edges 414, rear end is provided with rear bending edges 415, upper bending edges 413 welds mutually with the lower surface of frame side member 17, front bending edges 414 welds mutually with the rear end face of the second limit vertical beam 145, and rear bending edges 415 homogeneously welds with the front end face of the front end face of vehicle frame second cross beam 13, rear vertical beam 162;
It is provided with front bending breach 416 between upper end and the front end of upper bending edges 413 of described front bending edges 414, between rear end and the upper end of rear bending edges 415 of upper bending edges 413, is provided with rear bending breach 417.
Described vehicle frame first crossbeam 12 is positioned at the position on the left of the left longeron 11 of vehicle frame and is provided with steering reversing device support 21, steering reversing device support 21 includes riser 212, lower cross plate 213, the front end vertical welding of the lower end of riser 212 and lower cross plate 213, the front end face of riser 212 welds mutually with the rear end face of vehicle frame first crossbeam 12, lower cross plate 213 is provided with the steering reversing device installing hole 214 installing steering reversing device 2, steering reversing device 2 is connected with steering reversing device installing hole 214 by bolt, reinforcement diagonal bar 215 it is welded with between riser 212 and lower cross plate 213, riser 212 and lower cross plate 213 are provided with lightening hole 216,
The outfan of described steering reversing device 2 is connected with the front end turning to intermediate propeller shaft 3, the rear end turning to intermediate propeller shaft 3 is connected with the power shaft turning to machine 4, the diverted machine output shaft of output shaft 42 turning to machine 4 is connected with the lower end of pitman arm 5 after passing hole 412, the upper end of pitman arm 5 is connected with the front end of steering drag link 6, and the rear end of steering drag link 6 is connected with joint arm on propons;
Described steering reversing device 2 and steering reversing device support 21, turn to intermediate propeller shaft 3, turn to machine 4 and steering gear bracket 41, pitman arm 5, steering drag link 6 to constitute the steering linkage system 10 of centralized arrangement formula electric hydraulic power-assisted steering system of large-scale all-loading coach.
Described steering reversing device support 21 also includes the upper end vertical welding of upper cross plate 211, the rear end of upper cross plate 211 and riser 212, and the lower surface of upper cross plate 211 is welded mutually with the upper surface of vehicle frame first crossbeam 12.
Described first limit vertical beam 144 is provided with the steering reservoir support 71 being parallel to each other with the first limit crossbeam 141, steering reservoir support 71 is rectangular flat plate structure, front end face on the left of steering reservoir support 71 is welded on the rear end face of the first limit vertical beam 144 lower end, the right side of steering reservoir support 71 is provided with tank setting hole 711 to install steering reservoir 7, and steering reservoir 7 is connected with tank setting hole 711 by bolt;
Described vehicle frame second cross beam 13 is provided with two electric powered steering pump supports 81, electric powered steering pump support 81 is symmetrically welded on the front outside of belly and the rear outside of belly of vehicle frame second cross beam 13 left end, electric powered steering pump support 81 includes transverse slat 811 connected vertically and starting stave 812, starting stave 812 is positioned at below transverse slat 811 and welds mutually with the outside of belly of vehicle frame second cross beam 13, starting stave 812 is provided with welding hole 815, transverse slat 811 is provided with installing hole 814 to install electric powered steering pump 8, reinforcement diagonal brace 813 it is provided with between transverse slat 811 lower surface and starting stave 812 front end face, damping cushion 82 it is provided with between transverse slat 811 and electric powered steering pump 8.
Described steering reservoir 7 is connected with electric powered steering pump 8 by in-line 91, electric powered steering pump 8 is connected with turning to machine 4 by pressure duct 92, turn to machine 4 to be connected with steering reservoir 7 by low pressure line 93, described steering reservoir 7, electric powered steering pump 8, turn to machine 4, in-line 91, pressure duct 92, low pressure line 93 constitute large-scale all-loading coach centralized arrangement formula electric hydraulic power-assisted steering system turn to pipe-line system 9;
Described frame system and frame 1, steering linkage system 10, turn to the centralized arrangement formula electric hydraulic power-assisted steering system that pipe-line system 9 constitutes large-scale all-loading coach.
Described electric powered steering pump 8 is made up of motor and steering pump, and motor is the one in direct current generator, alternating current generator, brush motor, brushless electric machine, permagnetic synchronous motor.
The left longeron 11 of described vehicle frame is made up of anterior right-angled trapezium square tube girder construction and rear portion rectangular square tube girder construction, vehicle frame left longeron 11 front-end cross-sectional view is little, cross sectional rear end face is big, described vehicle frame first crossbeam 12 is rectangular square tube girder construction, described vehicle frame second cross beam 13 is made up of two ends right-angled trapezium square tube girder construction and intermediate rectangular square tube girder construction, vehicle frame second cross beam 13 two ends cross section is little, and intermediate cross-section is big, and described frame side member 17 is rectangular square tube girder construction;
Described vehicle frame first crossbeam 12, vehicle frame second cross beam 13, vehicle frame limit crossbeam frame 14 left end all weld mutually with body side wall;
Longeron framework 15 on described vehicle frame limit crossbeam frame 14, vehicle frame, Aft cross member framework 16 manufacture material be all rectangular square tube beam.
Principles of the invention illustrates as follows:
1, due to the restriction by vehicle frame second cross beam 13, the layout turning to machine 4 can affect the position of steering drag link 6, therefore to consider the construction features of vehicle frame second cross beam 13, and frame system and frame 1 adopts the structure relative securement of vehicle frame second cross beam 13 of the design, often it is used, accordingly, with respect to turning to machine prone type, turn to that pusher side is horizontal easily to be arranged and the relative high point of height of low driver's compartment; The design is applicable to vehicle frame, and to connect vehicle body be the unified full vehicle carrying structure, and prior art to be more suitable for vehicle frame be the vehicle entirely carrying structure, therefore, the actual scope of application of the design is wider.
2, referring to Fig. 3, described steering gear bracket 41 adopts flat board bending part, the upper end of steering gear bracket 41 is provided with bending edges 413, front end is provided with front bending edges 414, rear end is provided with rear bending edges 415, upper bending edges 413 welds mutually with the lower surface of frame side member 17, front bending edges 414 welds mutually with the rear end face of the second limit vertical beam 145, rear bending edges 415 homogeneously welds with the front end face of the front end face of vehicle frame second cross beam 13, rear vertical beam 162, carries out strengthening fixing to steering gear bracket 41 by three Edge Bends;During adjacent both sides all bendings of steering gear bracket 41, have bending fillet in the middle of adjacent both sides to exist, middle necessary slot milling, therefore, two corners of bending form engraved structure, be formed with front bending breach 416, be formed with rear bending breach 417 between rear end and the upper end of rear bending edges 415 of upper bending edges 413 before namely between upper end and the front end of upper bending edges 413 of bending edges 414, front bending breach 416, rear bending breach 417 are all process structures, facilitate bending flange.
3, referring to Fig. 1, in the design adopt steering reversing device 2 transition turn to machine 4 lateral recumbent posture steering drag link 6 arrangement, compared with traditional double Tiebar structure, tie rod ball looseness and damage risk reduction half, safety is higher; Additionally, turn to the angle value between the universal-joint fork at intermediate propeller shaft 3 two ends only small, the best is 0, it is advantageously ensured that steering wheel, pitman arm 5 rotational angular velocity consistent, improve turning efficiency.
4, referring to Fig. 1, Fig. 4, Fig. 5, described machine 4 is turned to adopt lateral recumbent posture arrangement, turn to the output shaft 42 of machine 4 towards right layout, the high pressure entry turning to machine 4 is arranged at the upper front end turning to machine 4, the low tension outlet turning to machine 4 is arranged at the left front end turning to machine 4, the oil-out of described steering reservoir 7, the low-pressure inlet of steering reservoir 7 may be contained within the lower end of steering reservoir 7, the high-pressure outlet of described electric powered steering pump 8, the oil-in of electric powered steering pump 8 may be contained within the left front end of electric powered steering pump 8, in addition machine 4 is turned to, steering reservoir 7, electric powered steering pump 8 characteristics of compact layout, therefore, each connecting line is all shorter, it is not only convenient for maintenance, and efficiency of assembling can be improved, cost can be saved.
5, referring to Fig. 1 and Fig. 2, described electric powered steering pump 8 is combined into one form for motor and conventional steering pump, and compact conformation, described motor can be the forms such as direct current generator, alternating current generator, brush motor, brushless electric machine, permagnetic synchronous motor. The DC high-voltage that car load power supply (electrokinetic cell) exports becomes the supply motor work of motor required voltage through inverter (controller), and driven by motor routine steering pump works, it is provided that conventional hydraulic power-assisted. Described inverter, by controlling on-off control, controls whether on-off control inverter works, and then controls the work of electric powered steering pump 8. Preferentially, car load inputs the manipulation signal of GES and steering wheel to inverter, inverter adjusts output voltage frequency according to input signal, control motor speed, reach to regulate the purpose of steering pump flow and pressure, and then make steering manipulation light, simultaneously because motor speed adjustment also can save the energy. Electric powered steering pump 8, steering reservoir 7, the relation between machine 4 is turned to be: the fluid in steering reservoir 7 enters electric powered steering pump 8 by in-line 91 and becomes high-voltage oil liquid, high-voltage oil liquid enters again through pressure duct 92 and turns to machine 4, make to turn to machine 4 to work, then fluid flows back to steering reservoir 7 by low pressure line 93, completes cyclic process.
6, the lightening hole 216 of described riser 212 acts the effect adding strong weld simultaneously; Namely described welding hole 815 is available for strengthening welding and uses, it is possible to as the lightening hole of electric powered steering pump 8.
7, described vehicle frame first crossbeam 12, vehicle frame second cross beam 13, vehicle frame limit crossbeam frame 14 left end all weld mutually with body side wall, play support vehicle body effect.
8, referring to Fig. 8, vertical beam 152 vertically upward direction on first is referred on described in the design, under refer to vertical beam 152 direction vertically downward on first, described vehicle frame first crossbeam 12 is vertical with vertical beam on first 152 to be connected, a left side refers to the vertical outwardly direction of vehicle frame first crossbeam 12, the right side refers to the direction that vehicle frame first crossbeam 12 is perpendicularly inward, the left longeron of described vehicle frame 11 is vertical with vehicle frame first crossbeam 12 to be connected, on the left longeron 11 and first of vehicle frame, vertical beam 152 is mutually perpendicular to, and the direction of forward and backward indication is determined according to the right-hand rule.
Embodiment 1:
Referring to Fig. 1 to Fig. 8, a kind of centralized arrangement formula electric hydraulic power-assisted steering system of large-scale all-loading coach, including frame system and frame 1, steering linkage system 10, turn to pipe-line system 9, described frame system and frame 1 includes the left longeron 11 of vehicle frame, vehicle frame first crossbeam 12, vehicle frame second cross beam 13, vehicle frame limit crossbeam frame 14, longeron framework 15 on vehicle frame, Aft cross member framework 16, frame side member 17, described steering linkage system 10 includes steering reversing device 2 and steering reversing device support 21, turn to intermediate propeller shaft 3, turn to machine 4 and steering gear bracket 41, pitman arm 5, steering drag link 6, described pipe-line system 9 is turned to include steering reservoir 7, electric powered steering pump 8, turn to machine 4, in-line 91, pressure duct 92, low pressure line 93,
The left longeron 11 of described vehicle frame is between vehicle frame first crossbeam 12 and vehicle frame second cross beam 13, the front end of the left longeron of vehicle frame 11 is vertical with the rear end face of vehicle frame first crossbeam 12 to be connected, the rear end of the left longeron of vehicle frame 11 is vertical with the front end face of vehicle frame second cross beam 13 to be connected, vehicle frame limit crossbeam frame 14 it is provided with between vehicle frame first crossbeam 12 and vehicle frame second cross beam 13, the right-hand member of vehicle frame limit crossbeam frame 14 is vertical with the left side of the left longeron of vehicle frame 11 to be connected, it is provided with steering gear bracket 41 between vehicle frame limit crossbeam frame 14 and vehicle frame second cross beam 13, the front end of steering gear bracket 41 is vertical with the rear end of vehicle frame limit crossbeam frame 14 to be connected, the rear end of steering gear bracket 41 is vertical with the front end face of vehicle frame second cross beam 13 to be connected, the left side of steering gear bracket 41 is connected with the bottom turning to machine 4, described vehicle frame first crossbeam 12 is positioned at the position on the left of the left longeron 11 of vehicle frame and is provided with steering reversing device support 21 to connect steering reversing device 2, being positioned in described vehicle frame limit crossbeam frame 14 turns to the position on the left of machine 4 to be connected to steering reservoir 7, described vehicle frame second cross beam 13 is positioned at and turns to the position on the left of machine 4 to be connected to electric powered steering pump 8,
The outfan of described steering reversing device 2 is connected with the front end turning to intermediate propeller shaft 3, the rear end turning to intermediate propeller shaft 3 is connected with the power shaft turning to machine 4, the output shaft 42 of machine 4 is turned to be connected with the lower end of pitman arm 5, the upper end of pitman arm 5 is connected with the front end of steering drag link 6, and the rear end of steering drag link 6 is connected with joint arm on propons; Described steering reservoir 7 is connected with electric powered steering pump 8 by in-line 91, and electric powered steering pump 8 is connected with turning to machine 4 by pressure duct 92, turns to machine 4 to be connected with steering reservoir 7 by low pressure line 93.
Embodiment 2:
Substance, with embodiment 1, is different in that:
Referring to Fig. 1 to Fig. 8, on described vehicle frame, longeron framework 15 includes entablature 151, vertical beam 152 on first, vertical beam 154 on second, vertical beam 153 on 3rd, entablature 151 is arranged at the surface of the left longeron of vehicle frame 11 and is parallel to each other with the left longeron 11 of vehicle frame, the front end of entablature 151 is vertical with the upper end of vertical beam on first 152 to be connected, on first, the lower end of vertical beam 152 is vertical with the upper surface of vehicle frame first crossbeam 12 is connected, the rear end of entablature 151 is vertical with the upper end of vertical beam on second 154 to be connected, on second, the lower end of vertical beam 154 is vertical with the upper surface of vehicle frame second cross beam 13 is connected, be provided with between entablature 151 and the left longeron 11 of vehicle frame with first on vertical beam 152, vertical beam 154 vertical beam 153 on the parallel 3rd mutually on second, on 3rd, the upper end of vertical beam 153 is vertical with the lower surface of entablature 151 is connected, on 3rd, the lower end of vertical beam 153 is vertical with the upper surface of the left longeron of vehicle frame 11 is connected,
Described Aft cross member framework 16 includes rear cross beam 161, rear vertical beam 162, rear cross beam 161 is arranged at the surface of vehicle frame second cross beam 13 and is parallel to each other with vehicle frame second cross beam 13, on the right-hand member of rear cross beam 161 and second, the left side of vertical beam 154 is vertical connects, be provided with between rear cross beam 161 and vehicle frame second cross beam 13 with second on the rear vertical beam 162 that is parallel to each other of vertical beam 154, the upper end of rear vertical beam 162 is vertical with the lower surface of rear cross beam 161 to be connected, and the lower end of rear vertical beam 162 is vertical with the upper surface of vehicle frame second cross beam 13 to be connected;
Described vehicle frame limit crossbeam frame 14 includes the first limit crossbeam 141 setting gradually from top to bottom and being parallel to each other, second limit crossbeam 142, 3rd limit crossbeam 143, from left to right it is disposed with, between first limit crossbeam 141 and the 3rd limit crossbeam 143, the first limit vertical beam 144 being parallel to each other, second limit vertical beam 145, the right-hand member of the first limit crossbeam 141 is vertical with the left side of entablature 151 to be connected, the left end of the first limit crossbeam 141 is vertical with the upper end of the first limit vertical beam 144 to be connected, the lower end of the first limit vertical beam 144 is vertical with the left end of the 3rd limit crossbeam 143 to be connected, the right-hand member of the 3rd limit crossbeam 143 is vertical with the left side of the left longeron of vehicle frame 11 to be connected, the upper end of described second limit vertical beam 145 is vertical with the lower surface of the first limit crossbeam 141 to be connected, the lower end of the second limit vertical beam 145 is vertical with the upper surface of the 3rd limit crossbeam 143 to be connected, described second limit crossbeam 142 is on the second limit vertical beam 145 and the 3rd between vertical beam 153, the left end of the second limit crossbeam 142 is vertical with the right side of the second limit vertical beam 145 to be connected, on the right-hand member and the 3rd of the second limit crossbeam 142, the left side of vertical beam 153 is vertical connects,
It is provided with frame side member 17 between described second limit vertical beam 145 and rear vertical beam 162, the front end of frame side member 17 is positioned at the second limit vertical beam 145 rear end face that the second limit vertical beam 145 is vertical with the position of the second limit crossbeam 142 junction to be connected, and the rear end of frame side member 17 is vertical with the front end face of rear vertical beam 162 to be connected.
Embodiment 3:
Substance, with embodiment 1, is different in that:
Referring to Fig. 1 to Fig. 8, described steering gear bracket 41 is parallel to each other with the left longeron 11 of vehicle frame, being provided with installation on steering gear bracket 41 turns to turn to machine installing hole 411, the machine output shaft of turning to of machine 4 to pass hole 412, turn to machine 4 to be connected with turning to machine installing hole 411 by bolt, turn to the diverted machine output shaft of output shaft 42 of machine 4 to be connected with the lower end of pitman arm 5 after passing hole 412; The upper end of described steering gear bracket 41 is provided with bending edges 413, front end is provided with front bending edges 414, rear end is provided with rear bending edges 415, upper bending edges 413 welds mutually with the lower surface of frame side member 17, front bending edges 414 welds mutually with the rear end face of the second limit vertical beam 145, and rear bending edges 415 homogeneously welds with the front end face of the front end face of vehicle frame second cross beam 13, rear vertical beam 162; Being provided with front bending breach 416 between upper end and the front end of upper bending edges 413 of described front bending edges 414, being provided with rear bending breach 417(steering gear bracket 41 between rear end and the upper end of rear bending edges 415 of upper bending edges 413 is flat board bending part);
Described steering reversing device support 21 includes upper cross plate 211, riser 212, lower cross plate 213, the upper end vertical welding of the rear end of upper cross plate 211 and riser 212, the lower surface of upper cross plate 211 is welded mutually with the upper surface of vehicle frame first crossbeam 12, the front end vertical welding of the lower end of riser 212 and lower cross plate 213, the front end face of riser 212 welds (now with the rear end face of vehicle frame first crossbeam 12 mutually, steering reversing device support 21 is Z-shaped flat board bending assembling welding part, steering reversing device support 21 can also remove the upper cross plate 211 of Z-shaped flat board bending assembling welding part, adopt L-type flat board bending assembling welding part), lower cross plate 213 is provided with the steering reversing device installing hole 214 installing steering reversing device 2, steering reversing device 2 is connected with steering reversing device installing hole 214 by bolt, reinforcement diagonal bar 215 it is welded with between riser 212 and lower cross plate 213, riser 212 and lower cross plate 213 are provided with lightening hole 216,
Described vehicle frame limit crossbeam frame 14 is provided with the steering reservoir support 71 being parallel to each other with vehicle frame limit crossbeam frame 14, steering reservoir support 71 is rectangular flat plate structure, front end face on the left of steering reservoir support 71 is welded on the rear end face of crossbeam frame 14 lower-left, vehicle frame limit end, the right side of steering reservoir support 71 is provided with tank setting hole 711 to install steering reservoir 7, and steering reservoir 7 is connected with tank setting hole 711 by bolt;
Described vehicle frame second cross beam 13 is provided with two electric powered steering pump supports 81, electric powered steering pump support 81 is symmetrically welded on the front outside of belly and the rear outside of belly of vehicle frame second cross beam 13 left end, electric powered steering pump support 81 includes transverse slat 811 connected vertically and starting stave 812, starting stave 812 is positioned at below transverse slat 811 and welds (electric powered steering pump support 81 is bent into reverse L type structure for flat board) with the outside of belly of vehicle frame second cross beam 13 mutually, starting stave 812 is provided with welding hole 815, transverse slat 811 is provided with installing hole 814 to install electric powered steering pump 8, reinforcement diagonal brace 813 it is provided with between transverse slat 811 lower surface and starting stave 812 front end face, damping cushion 82 it is provided with between transverse slat 811 and electric powered steering pump 8.
Embodiment 4:
Substance, with embodiment 1, is different in that:
Referring to Fig. 1 to Fig. 8, described electric powered steering pump 8 is made up of motor and steering pump, and motor is the one in direct current generator, alternating current generator, brush motor, brushless electric machine, permagnetic synchronous motor; The left longeron 11 of described vehicle frame is made up of anterior right-angled trapezium square tube girder construction and rear portion rectangular square tube girder construction, vehicle frame left longeron 11 front-end cross-sectional view is little, cross sectional rear end face is big, described vehicle frame first crossbeam 12 is rectangular square tube girder construction, described vehicle frame second cross beam 13 is made up of two ends right-angled trapezium square tube girder construction and intermediate rectangular square tube girder construction, vehicle frame second cross beam 13 two ends cross section is little, and intermediate cross-section is big, and described frame side member 17 is rectangular square tube girder construction; Described vehicle frame first crossbeam 12, vehicle frame second cross beam 13, vehicle frame limit crossbeam frame 14 left end all weld mutually with body side wall; Longeron framework 15 on described vehicle frame limit crossbeam frame 14, vehicle frame, Aft cross member framework 16 manufacture material be all rectangular square tube beam.
Claims (10)
1. the centralized arrangement formula electric hydraulic power-assisted steering system of a large-scale all-loading coach, including the left longeron of vehicle frame (11), vehicle frame first crossbeam (12), vehicle frame second cross beam (13), the position being positioned at the left longeron of vehicle frame (11) left side on vehicle frame first crossbeam (12) is connected to steering reversing device (2), vehicle frame limit crossbeam frame (14) it is provided with between vehicle frame first crossbeam (12) and vehicle frame second cross beam (13), the right-hand member on vehicle frame limit crossbeam frame (14) is vertical with the left side of the left longeron of vehicle frame (11) to be connected, steering gear bracket (41) it is provided with between vehicle frame limit crossbeam frame (14) and vehicle frame second cross beam (13), steering gear bracket (41) is connected to and turns to machine (4), it is characterized in that:
The left longeron of described vehicle frame (11) is positioned between vehicle frame first crossbeam (12) and vehicle frame second cross beam (13), the front end of the left longeron of vehicle frame (11) is vertical with the rear end face of vehicle frame first crossbeam (12) to be connected, the rear end of the left longeron of vehicle frame (11) is vertical with the front end face of vehicle frame second cross beam (13) to be connected, the front end of described steering gear bracket (41) is vertical with the rear end on vehicle frame limit crossbeam frame (14) to be connected, the rear end of steering gear bracket (41) is vertical with the front end face of vehicle frame second cross beam (13) to be connected, the left side of steering gear bracket (41) is connected with the bottom turning to machine (4), described vehicle frame limit crossbeam frame (14) is positioned at and turns to the position in machine (4) left side to be connected to steering reservoir (7), vehicle frame second cross beam (13) is positioned at and turns to the position in machine (4) left side to be connected to electric powered steering pump (8).
2. the centralized arrangement formula electric hydraulic power-assisted steering system of a kind of large-scale all-loading coach according to claim 1, it is characterised in that:
The entablature (151) being arranged above being parallel to each other with it of the left longeron of described vehicle frame (11), the front end of entablature (151) is vertical with the upper end of vertical beam on first (152) to be connected, on first, the lower end of vertical beam (152) is vertical with the upper surface of vehicle frame first crossbeam (12) is connected, the rear end of entablature (151) is vertical with the upper end of vertical beam on second (154) to be connected, on second, the lower end of vertical beam (154) is vertical with the upper surface of vehicle frame second cross beam (13) is connected, be provided with between entablature (151) and the left longeron of vehicle frame (11) with first on vertical beam (152), vertical beam (154) vertical beam (153) on the parallel 3rd mutually on second, on 3rd, the upper end of vertical beam (153) is vertical with the lower surface of entablature (151) is connected, on 3rd, the lower end of vertical beam (153) is vertical with the upper surface of the left longeron of vehicle frame (11) is connected, described entablature (151), vertical beam (152) on first, vertical beam (154) on second, on 3rd, vertical beam (153) constitutes longeron framework (15) on vehicle frame,
The rear cross beam (161) being arranged above being parallel to each other with it of described vehicle frame second cross beam (13), on the right-hand member and second of rear cross beam (161), the left side of vertical beam (154) is vertical connects, be provided with between rear cross beam (161) and vehicle frame second cross beam (13) with second on the rear vertical beam (162) that is parallel to each other of vertical beam (154), the upper end of rear vertical beam (162) is vertical with the lower surface of rear cross beam (161) to be connected, the lower end of rear vertical beam (162) is vertical with the upper surface of vehicle frame second cross beam (13) to be connected, described rear cross beam (161), rear vertical beam (162) constitutes Aft cross member framework (16).
3. the centralized arrangement formula electric hydraulic power-assisted steering system of a kind of large-scale all-loading coach according to claim 2, it is characterised in that:
Described vehicle frame limit crossbeam frame (14) includes the first limit crossbeam (141) setting gradually from top to bottom and being parallel to each other, second limit crossbeam (142), 3rd limit crossbeam (143), the the first limit vertical beam (144) being parallel to each other from left to right it is disposed with between first limit crossbeam (141) and the 3rd limit crossbeam (143), second limit vertical beam (145), the right-hand member of the first limit crossbeam (141) is vertical with the left side of entablature (151) to be connected, the left end of the first limit crossbeam (141) is vertical with the upper end of the first limit vertical beam (144) to be connected, the lower end of the first limit vertical beam (144) is vertical with the left end of the 3rd limit crossbeam (143) to be connected, the right-hand member of the 3rd limit crossbeam (143) is vertical with the left side of the left longeron of vehicle frame (11) to be connected, the upper end of described second limit vertical beam (145) is vertical with the lower surface of the first limit crossbeam (141) to be connected, the lower end of the second limit vertical beam (145) is vertical with the upper surface of the 3rd limit crossbeam (143) to be connected, described second limit crossbeam (142) is positioned on the second limit vertical beam (145) and the 3rd between vertical beam (153), the left end of the second limit crossbeam (142) is vertical with the right side of the second limit vertical beam (145) to be connected, on the right-hand member and the 3rd of the second limit crossbeam (142), the left side of vertical beam (153) is vertical connects,
It is provided with frame side member (17) between described second limit vertical beam (145) and rear vertical beam (162), the front end of frame side member (17) is positioned at the second limit vertical beam (145) rear end face that the second limit vertical beam (145) is vertical with the position of the second limit crossbeam (142) junction to be connected, and the rear end of frame side member (17) is vertical with the front end face of rear vertical beam (162) to be connected;
Longeron framework (15) on the left longeron of described vehicle frame (11), vehicle frame first crossbeam (12), vehicle frame second cross beam (13), vehicle frame limit crossbeam frame (14), vehicle frame, Aft cross member framework (16), frame side member (17) constitute the frame system and frame (1) of the centralized arrangement formula electric hydraulic power-assisted steering system of large-scale all-loading coach.
4. the centralized arrangement formula electric hydraulic power-assisted steering system of a kind of large-scale all-loading coach according to claim 3, it is characterised in that:
It is provided with, between described second limit vertical beam (145) and vehicle frame second cross beam (13), the steering gear bracket (41) being parallel to each other with the left longeron of vehicle frame (11), being provided with installation on steering gear bracket (41) turns to turn to machine installing hole (411), the machine output shaft of turning to of machine (4) to pass hole (412), turns to machine (4) to be connected with turning to machine installing hole (411) by bolt;
The upper end of described steering gear bracket (41) is provided with bending edges (413), front end is provided with front bending edges (414), rear end is provided with rear bending edges (415), upper bending edges (413) welds mutually with the lower surface of frame side member (17), front bending edges (414) welds mutually with the rear end face of the second limit vertical beam (145), and rear bending edges (415) homogeneously welds with the front end face of the front end face of vehicle frame second cross beam (13), rear vertical beam (162);
It is provided with front bending breach (416) between upper end and the front end of upper bending edges (413) of described front bending edges (414), between rear end and the upper end of rear bending edges (415) of upper bending edges (413), is provided with rear bending breach (417).
5. the centralized arrangement formula electric hydraulic power-assisted steering system of a kind of large-scale all-loading coach according to claim 4, it is characterised in that:
The position being positioned at the left longeron of vehicle frame (11) left side on described vehicle frame first crossbeam (12) is provided with steering reversing device support (21), steering reversing device support (21) includes riser (212), lower cross plate (213), the front end vertical welding of the lower end of riser (212) and lower cross plate (213), the front end face of riser (212) welds mutually with the rear end face of vehicle frame first crossbeam (12), lower cross plate (213) is provided with the steering reversing device installing hole (214) installing steering reversing device (2), steering reversing device (2) is connected with steering reversing device installing hole (214) by bolt, reinforcement diagonal bar (215) it is welded with between riser (212) and lower cross plate (213), riser (212) and lower cross plate (213) are provided with lightening hole (216),
The outfan of described steering reversing device (2) is connected with the front end turning to intermediate propeller shaft (3), the rear end turning to intermediate propeller shaft (3) is connected with the power shaft turning to machine (4), the diverted machine output shaft of output shaft (42) turning to machine (4) passes hole (412) and is connected with the lower end of pitman arm (5) afterwards, the upper end of pitman arm (5) is connected with the front end of steering drag link (6), and the rear end of steering drag link (6) is connected with joint arm on propons;
Described steering reversing device (2) and steering reversing device support (21), turn to intermediate propeller shaft (3), turn to machine (4) and steering gear bracket (41), pitman arm (5), steering drag link (6) to constitute the steering linkage system (10) of centralized arrangement formula electric hydraulic power-assisted steering system of large-scale all-loading coach.
6. the centralized arrangement formula electric hydraulic power-assisted steering system of a kind of large-scale all-loading coach according to claim 5, it is characterized in that: described steering reversing device support (21) also includes upper cross plate (211), the upper end vertical welding of the rear end of upper cross plate (211) and riser (212), the lower surface of upper cross plate (211) is welded mutually with the upper surface of vehicle frame first crossbeam (12).
7. the centralized arrangement formula electric hydraulic power-assisted steering system of a kind of large-scale all-loading coach according to claim 5 or 6, it is characterised in that:
Described first limit vertical beam (144) is provided with the steering reservoir support (71) being parallel to each other with the first limit crossbeam (141), steering reservoir support (71) is rectangular flat plate structure, the front end face in steering reservoir support (71) left side is welded on the rear end face of the first limit vertical beam (144) lower end, the right side of steering reservoir support (71) is provided with tank setting hole (711) to install steering reservoir (7), and steering reservoir (7) is connected with tank setting hole (711) by bolt;
Described vehicle frame second cross beam (13) is provided with two electric powered steerings pump support (81), electric powered steering pump support (81) is symmetrically welded on the front outside of belly and the rear outside of belly of vehicle frame second cross beam (13) left end, electric powered steering pump support (81) includes transverse slat connected vertically (811) and starting stave (812), starting stave (812) is positioned at transverse slat (811) lower section and welds mutually with the outside of belly of vehicle frame second cross beam (13), starting stave (812) is provided with welding hole (815), transverse slat (811) is provided with installing hole (814) to install electric powered steering pump (8), reinforcement diagonal brace (813) it is provided with between transverse slat (811) lower surface and starting stave (812) front end face, damping cushion (82) it is provided with between transverse slat (811) and electric powered steering pump (8).
8. the centralized arrangement formula electric hydraulic power-assisted steering system of a kind of large-scale all-loading coach according to claim 7, it is characterised in that:
Described steering reservoir (7) is connected with electric powered steering pump (8) by in-line (91), electric powered steering pump (8) is connected with turning to machine (4) by pressure duct (92), turn to machine (4) to be connected with steering reservoir (7) by low pressure line (93), described steering reservoir (7), electric powered steering pump (8), turn to machine (4), in-line (91), pressure duct (92), low pressure line (93) constitute large-scale all-loading coach centralized arrangement formula electric hydraulic power-assisted steering system turn to pipe-line system (9);
Described frame system and frame (1), steering linkage system (10), pipe-line system (9) is turned to constitute the centralized arrangement formula electric hydraulic power-assisted steering system of large-scale all-loading coach.
9. the centralized arrangement formula electric hydraulic power-assisted steering system of a kind of large-scale all-loading coach according to claim 8, it is characterized in that: described electric powered steering pump (8) is made up of motor and steering pump, and motor is the one in direct current generator, alternating current generator, brush motor, brushless electric machine, permagnetic synchronous motor.
10. the centralized arrangement formula electric hydraulic power-assisted steering system of a kind of large-scale all-loading coach according to claim 8, it is characterised in that:
The left longeron of described vehicle frame (11) is made up of anterior right-angled trapezium square tube girder construction and rear portion rectangular square tube girder construction, vehicle frame left longeron (11) front-end cross-sectional view is little, cross sectional rear end face is big, described vehicle frame first crossbeam (12) is rectangular square tube girder construction, described vehicle frame second cross beam (13) is made up of two ends right-angled trapezium square tube girder construction and intermediate rectangular square tube girder construction, vehicle frame second cross beam (13) two ends cross section is little, intermediate cross-section is big, and described frame side member (17) is rectangular square tube girder construction;
Described vehicle frame first crossbeam (12), vehicle frame second cross beam (13), vehicle frame limit crossbeam frame (14) left end all weld mutually with body side wall;
Longeron framework (15) on described vehicle frame limit crossbeam frame (14), vehicle frame, Aft cross member framework (16) manufacture material be all rectangular square tube beam.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610008264.0A CN105667583B (en) | 2016-01-07 | 2016-01-07 | The centralized arrangement formula electric hydraulic power-assisted steering system of large-scale all-loading coach |
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|---|---|---|---|
| CN201610008264.0A CN105667583B (en) | 2016-01-07 | 2016-01-07 | The centralized arrangement formula electric hydraulic power-assisted steering system of large-scale all-loading coach |
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| CN105667583A true CN105667583A (en) | 2016-06-15 |
| CN105667583B CN105667583B (en) | 2018-03-09 |
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| CN201610008264.0A Active CN105667583B (en) | 2016-01-07 | 2016-01-07 | The centralized arrangement formula electric hydraulic power-assisted steering system of large-scale all-loading coach |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985398A (en) * | 2017-12-28 | 2018-05-04 | 东风商用车有限公司 | Electric automotive hydraulic power-assisted steering control system and application method |
| CN110667699A (en) * | 2019-09-04 | 2020-01-10 | 东风商用车有限公司 | Arrangement system of steering engine |
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| WO2012062548A1 (en) * | 2010-11-08 | 2012-05-18 | Robert Bosch Gmbh | Steering device for a motor vehicle and method for locking a steering device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107985398A (en) * | 2017-12-28 | 2018-05-04 | 东风商用车有限公司 | Electric automotive hydraulic power-assisted steering control system and application method |
| CN107985398B (en) * | 2017-12-28 | 2023-05-12 | 东风商用车有限公司 | Electro-hydraulic power-assisted steering control system for automobile and application method thereof |
| CN110667699A (en) * | 2019-09-04 | 2020-01-10 | 东风商用车有限公司 | Arrangement system of steering engine |
| CN110667699B (en) * | 2019-09-04 | 2022-06-10 | 东风商用车有限公司 | Steering engine arrangement system |
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