CN209521757U - Heavy-duty commercial vehicle high pressure steering system - Google Patents
Heavy-duty commercial vehicle high pressure steering system Download PDFInfo
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- CN209521757U CN209521757U CN201920192944.1U CN201920192944U CN209521757U CN 209521757 U CN209521757 U CN 209521757U CN 201920192944 U CN201920192944 U CN 201920192944U CN 209521757 U CN209521757 U CN 209521757U
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- steering
- high pressure
- wheel
- longitudinal tie
- arm
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Abstract
The utility model relates to a kind of heavy-duty commercial vehicle high pressure steering systems, including steering wheel, steering drive axle, high pressure turning machine, the first longitudinal tie, the second longitudinal tie leading portion, the second longitudinal tie back segment, steering intermediate arm, steering actuation cylinder, the first front axle, the second front axle, the first left steering wheel, the second left steering wheel, the first track rod, the second track rod, the first right turn wheel, the second right turn wheel, steering reservoir, flowline, high pressure steering pump, high-pressure oil pipe, oil return pipe and high-voltage tube.The utility model uses big-flow high-pressure steering pump, large-diameter high pressure turning machine, large-diameter steering actuation cylinder and gear ratio technology, optimize steering gear ratio, General Promotion steering behaviour.The attachmentes such as steering system oil tank, oil pipe in the utility model increase heat-sinking capability, improve system clean degree and reliability.
Description
Technical field
The utility model relates to a kind of wheel steering system, specifically a kind of heavy-duty commercial vehicle high pressure steering system.
Background technique
Currently, steering heavy problem big for heavy-duty commercial vehicle front axle axle load, scheme, which mostly uses, at present individually promotes turning machine
The method of cylinder diameter or adherence pressure, but due to still using constant speed ratio turning machine, steering gear ratio is small, is transmitted on steering wheel
Resistance reduction is unobvious, and ease of steering promotion effect is unobvious, and cost performance is not high.
Summary of the invention
The purpose of the utility model is to overcome the deficiencies in the prior art, provide one kind and are able to satisfy big axle load heavy type quotient
The heavy-duty commercial vehicle high pressure steering system of ease of steering, reliability and maneuverability is required, improved with the steering of vehicle.
According to technical solution provided by the utility model, the heavy-duty commercial vehicle high pressure steering system, including steering wheel, turn
To transmission shaft, high pressure turning machine, the first longitudinal tie, the second longitudinal tie leading portion, the second longitudinal tie back segment, turn to intermediate arm, steering
Servo-cylinder, the first front axle, the second front axle, the first left steering wheel, the second left steering wheel, the first track rod, second turn to cross
Pull rod, the first right turn wheel, the second right turn wheel, steering reservoir, flowline, high pressure steering pump, high-pressure oil pipe, oil return pipe with
High-voltage tube；
The first left steering wheel is installed in the left end of the first front axle, the first right turn is installed in the right end of the first front axle
Wheel is respectively and fixedly provided with steering arm, the steering arm of the first left steering wheel and first right side on the first left steering wheel and the first right turn wheel
The steering arm of deflecting roller is hinged with the first track rod；
The second left steering wheel is installed in the left end of the second front axle, the second right turn is installed in the right end of the second front axle
Wheel is respectively and fixedly provided with steering arm, the steering arm of the second left steering wheel and second right side on the second left steering wheel and the second right turn wheel
The steering arm of deflecting roller is hinged with the second track rod；
Steering wheel is connected with high pressure turning machine by steering drive axle, the driving end of high pressure turning machine and the first longitudinal tie with
And second longitudinal tie leading portion one end it is hinged, the other end of the first longitudinal tie is hinged on the steering arm of the first left steering wheel；The
The other end of two longitudinal tie leading portions is mutually fixed with the one end for turning to intermediate arm, after the other end and the second longitudinal tie that turn to intermediate arm
One end of section is mutually fixed, and the other end of the second longitudinal tie back segment is hinged on the steering arm of the second left steering wheel；
The oil outlet of steering reservoir by flowline connect high pressure steering pump oil inlet, high pressure steering pump it is fuel-displaced
Mouthful connect with an oil inlet of high pressure turning machine by high-pressure oil pipe, the oil return outlet of high pressure turning machine by oil return pipe and turn
It being connected to the oil return import of oil tank, high pressure turning machine is connect with the epicoele of steering actuation cylinder, cavity of resorption respectively by two high-voltage tubes,
The piston rod end of steering actuation cylinder is hinged with steering intermediate arm.
The maximum working pressure (MWP) of the high pressure steering pump is 19Mpa.
The utility model use big-flow high-pressure steering pump, large-diameter high pressure turning machine, large-diameter steering actuation cylinder with
And gear ratio technology, optimize steering gear ratio, General Promotion steering behaviour.Steering system oil tank in the utility model,
The attachmentes such as oil pipe increase heat-sinking capability, improve system clean degree and reliability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
The utility model is described in further detail combined with specific embodiments below.
The heavy-duty commercial vehicle high pressure steering system of the utility model, including steering wheel 1, steering drive axle 2, high pressure turning machine
3, the first longitudinal tie 41, the second longitudinal tie leading portion 42, the second longitudinal tie back segment 43, steering intermediate arm 5, steering actuation cylinder 6, first
Front axle 71, the second front axle 72, the first left steering wheel 81, the second left steering wheel 82, the first track rod 91, second turn to horizontal drawing
Bar 92, the first right turn wheel 101, the second right turn wheel 102, steering reservoir 11, flowline 12, high pressure steering pump 13, high pressure
Oil pipe 14, oil return pipe 15 and high-voltage tube 16；
First left steering wheel 81 is installed in the left end of the first front axle 71, first right side is installed in the right end of the first front axle 71
Deflecting roller 101 is respectively and fixedly provided with steering arm on the first left steering wheel 81 and the first right turn wheel 101, the first left steering wheel 81
The steering arm of steering arm and the first right turn wheel 101 is hinged with the first track rod 91；
Second left steering wheel 82 is installed in the left end of the second front axle 72, second right side is installed in the right end of the second front axle 72
Deflecting roller 102 is respectively and fixedly provided with steering arm on the second left steering wheel 82 and the second right turn wheel 102, the second left steering wheel 82
The steering arm of steering arm and the second right turn wheel 102 is hinged with the second track rod 92；
Steering wheel 1 is connected with high pressure turning machine 3 by steering drive axle 2, the driving end of high pressure turning machine 3 and the first vertical drawing
One end of bar 41 and the second longitudinal tie leading portion 42 is hinged, and the other end of the first longitudinal tie 41 is hinged on the first left steering wheel 81
On steering arm；The other end of second longitudinal tie leading portion 42 is mutually fixed with the one end for turning to intermediate arm 5, turns to the another of intermediate arm 5
It holds and is mutually fixed with one end of the second longitudinal tie back segment 43, the other end of the second longitudinal tie back segment 43 is hinged on the second left steering wheel 82
Steering arm on；
The oil outlet of steering reservoir 11 connects the oil inlet of high pressure steering pump 13, high pressure steering pump by flowline 12
13 oil outlet is connect by high-pressure oil pipe 14 with an oil inlet of high pressure turning machine 3, and the oil return outlet of high pressure turning machine 3 is logical
It crosses oil return pipe 15 to connect with the oil return import of steering reservoir 11, high pressure turning machine 3 is helped with steering respectively by two high-voltage tubes 16
The epicoele of power cylinder 6, cavity of resorption connection, the piston rod end of steering actuation cylinder 6 and being hinged for steering intermediate arm 5.
The core of the utility model is using large-diameter variable gear ratio high pressure turning machine 3, huge discharge high pressure steering pump
13 and large-diameter steering actuation cylinder 6.
The working principle of the utility model is: the power-assisted of the steering system comes from high pressure when steering wheel 1 has go to action
Turning machine 3, high pressure steering pump 13 and large-diameter steering actuation cylinder 6 push the first left steering wheel 81, the second left steering wheel 82,
First left steering wheel 81 pushes the first right turn wheel 101 by the first track rod 91, and the second left steering wheel 82 passes through second
Track rod 92 pushes the second right turn wheel 102, realizes and turns to.
The utility model uses the high voltage bearing high pressure steering pump 13 of huge discharge, pressure maximum lift to 19Mpa, in conjunction with big
The high pressure turning machine 3 of the high pressure resistant variable gear ratio of cylinder diameter provides output torque bigger under different corner states, in addition considers as a whole
Increase system steering gear ratio, augment direction disk corner match large-diameter steering actuation cylinder, lesser on the steering wheel with applying
Hand-power, so that it may steering capability is realized, to achieve the effect that turn to light, General Promotion vehicle maneuvering performance.
Claims (2)
1. a kind of heavy-duty commercial vehicle high pressure steering system, including steering wheel (1), steering drive axle (2), high pressure turning machine (3),
One longitudinal tie (41), the second longitudinal tie back segment (43), turns to intermediate arm (5), steering actuation cylinder at the second longitudinal tie leading portion (42)
(6), the first front axle (71), the second front axle (72), the first left steering wheel (81), the second left steering wheel (82), first turn to horizontal drawing
Bar (91), the first right turn wheel (101), the second right turn wheel (102), steering reservoir (11), goes out the second track rod (92)
Oil pipe (12), high pressure steering pump (13), high-pressure oil pipe (14), oil return pipe (15) and high-voltage tube (16)；
It is characterized in that: the first left steering wheel (81) is installed in the left end of the first front axle (71), the right end in the first front axle (71)
First right turn wheel (101) is installed, is respectively and fixedly provided with steering on the first left steering wheel (81) and the first right turn wheel (101)
The steering arm of arm, the steering arm of the first left steering wheel (81) and the first right turn wheel (101) with the first track rod (91)
It is hinged；
The second left steering wheel (82) is installed in the left end of the second front axle (72), is equipped with second in the right end of the second front axle (72)
Right turn wheel (102) is respectively and fixedly provided with steering arm on the second left steering wheel (82) and the second right turn wheel (102), and second turns left
The steering arm of steering arm and the second right turn wheel (102) to wheel (82) is hinged with the second track rod (92)；
Steering wheel (1) is connected with high pressure turning machine (3) by steering drive axle (2), the driving end and first of high pressure turning machine (3)
One end of longitudinal tie (41) and the second longitudinal tie leading portion (42) is hinged, and the other end of the first longitudinal tie (41) is hinged on first left side
On the steering arm of deflecting roller (81)；The other end of second longitudinal tie leading portion (42) is mutually fixed with the one end for turning to intermediate arm (5), is turned
Mutually fixed to one end of the other end and the second longitudinal tie back segment (43) of intermediate arm (5), the second longitudinal tie back segment (43) it is another
End is hinged on the steering arm of the second left steering wheel (82)；
Oil inlet of the oil outlet of steering reservoir (11) by flowline (12) connection high pressure steering pump (13), high pressure steering oil
The oil outlet of pump (13) is connect by high-pressure oil pipe (14) with an oil inlet of high pressure turning machine (3), high pressure turning machine (3)
Oil return outlet is connect by oil return pipe (15) with the oil return import of steering reservoir (11), and high pressure turning machine (3) passes through two high pressures
Pipe (16) is connect with epicoele, the cavity of resorption of steering actuation cylinder (6) respectively, and the piston rod end of steering actuation cylinder (6) and steering are intermediate
Arm (5) are hinged.
2. heavy-duty commercial vehicle high pressure steering system according to claim 1, it is characterized in that: the high pressure steering pump (13)
Maximum working pressure (MWP) be 19Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920192944.1U CN209521757U (en) | 2019-02-13 | 2019-02-13 | Heavy-duty commercial vehicle high pressure steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920192944.1U CN209521757U (en) | 2019-02-13 | 2019-02-13 | Heavy-duty commercial vehicle high pressure steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209521757U true CN209521757U (en) | 2019-10-22 |
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ID=68230428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920192944.1U Active CN209521757U (en) | 2019-02-13 | 2019-02-13 | Heavy-duty commercial vehicle high pressure steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209521757U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113682371A (en) * | 2021-09-16 | 2021-11-23 | 上海中科深江电动车辆有限公司 | System for realizing parallel power-assisted steering function |
-
2019
- 2019-02-13 CN CN201920192944.1U patent/CN209521757U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113682371A (en) * | 2021-09-16 | 2021-11-23 | 上海中科深江电动车辆有限公司 | System for realizing parallel power-assisted steering function |
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