CN204488907U - Heavy motor vehicle first drive axle steering hardware - Google Patents

Heavy motor vehicle first drive axle steering hardware Download PDF

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Publication number
CN204488907U
CN204488907U CN201520103210.3U CN201520103210U CN204488907U CN 204488907 U CN204488907 U CN 204488907U CN 201520103210 U CN201520103210 U CN 201520103210U CN 204488907 U CN204488907 U CN 204488907U
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CN
China
Prior art keywords
driving
actuating cylinder
axis
hydraulic actuating
motor vehicle
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520103210.3U
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Chinese (zh)
Inventor
贾策
郑讯佳
崔庭琼
申旌辉
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Chongqing Jiaotong University
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Chongqing Jiaotong University
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Priority to CN201520103210.3U priority Critical patent/CN204488907U/en
Application granted granted Critical
Publication of CN204488907U publication Critical patent/CN204488907U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of heavy motor vehicle first drive axle steering hardware, driving axis and the power driven assembly for driving driving axis to turn to, described power driven assembly comprise power is inputted dynamical axis, extend hydraulic actuating cylinder and be used for driving and extend with dynamical axis transmission driving work the fluid power system that hydraulic actuating cylinder does fore and aft motion, the piston rod of described elongation hydraulic actuating cylinder is fixedly connected with the tierod of described driving axis; The mode of operation of hydraulic actuating cylinder is controlled to extend by arranging fluid power system, the actuating station (i.e. piston rod) of extending hydraulic actuating cylinder is fixedly connected with the intermediate rod of driving axis, thus the object driving and turn to is reached with the contraction of extending hydraulic actuating cylinder, and Direct driver work after fluid power system is inputted by dynamical axis power, be quick on the draw, turn to reliable, there is good steering capability, there is longer service life, and be applicable to the occasion of high speed, high capacity.

Description

Heavy motor vehicle first drive axle steering hardware
Technical field
The utility model relates to motor turning parts, particularly a kind of heavy motor vehicle first drive axle steering hardware.
Background technology
Heavy motor vehicle first drive axle is one of critical component of heavy motor vehicle, in heavy motor vehicle driving process, usually need the preceding object in various bad working environments, steering hardware is usually subject to and harsh wearing and tearing, distortion, chaufeur is made to be difficult to operation, thus cause the decline of turning efficiency, even cause turning to inefficacy, cause the generation of personnel casualty accidents.
Therefore, need to improve the steering hardware of existing heavy motor vehicle first drive axle, can react motor turning in time, and improve the handling comfort of chaufeur, so adapt to comparatively at a high speed and in severe working environment.
Utility model content
In view of this, the utility model provides a kind of heavy motor vehicle first drive axle steering hardware, can have good steering capability, have longer service life, and is applicable to the occasion of high speed, high capacity.
Heavy motor vehicle first drive axle steering hardware of the present utility model, comprise driving axis and the power driven assembly for driving driving axis to turn to, power driven assembly comprise power is inputted dynamical axis, extend hydraulic actuating cylinder and be used for driving and extend with dynamical axis transmission driving work the fluid power system that hydraulic actuating cylinder does fore and aft motion, the elongation piston rod of hydraulic actuating cylinder is fixedly connected with the tierod of driving axis.
Further, fluid power system comprises petrol storage tank, oil pump and Driven by Hydraulic Cylinder oil circuit, and oil pump is double-direction gearpump, and oil pump is coordinated with dynamical axis Bidirectional driving by a commutation transmission.
Further, commutation transmission comprises drive bevel gear, driven wheel of differential and steering gear axle, drive bevel gear is connected with power axle key, drive bevel gear coordinates with the mode transmission of intersect vertical axis with driven wheel of differential, driven wheel of differential is connected with steering gear axle key, and steering gear axle coordinates with the transmission of oil pump power intake.
Further, power driven assembly also comprises dynamical axis mounting shell, and the cylinder body extending hydraulic actuating cylinder is fixedly installed on dynamical axis mounting shell.
Further, the oil circuit II that Driven by Hydraulic Cylinder oil circuit comprises the oil circuit I for driving the piston rod extending hydraulic actuating cylinder to extend and shrinks for piston rod, oil pump is arranged on described oil circuit I, and oil circuit I and oil circuit II is provided with oil filter.
Further, dynamical axis power intake is also provided with steering handwheel.
The beneficial effects of the utility model: heavy motor vehicle first drive axle steering hardware of the present utility model, the mode of operation of hydraulic actuating cylinder is controlled to extend by arranging fluid power system, the actuating station (i.e. piston rod) of extending hydraulic actuating cylinder is fixedly connected with the intermediate rod of driving axis, thus the object driving and turn to is reached with the contraction of extending hydraulic actuating cylinder, and Direct driver work after fluid power system is inputted by dynamical axis power, be quick on the draw, turn to reliable, there is good steering capability, there is longer service life, and be applicable at a high speed, the occasion of high capacity.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described.
Fig. 1 is the utility model integral structure schematic diagram;
Fig. 2 is the utility model structure diagram.
Detailed description of the invention
Fig. 1 is the utility model integral structure schematic diagram, Fig. 2 is the utility model structure diagram, as shown in the figure: the heavy motor vehicle first drive axle steering hardware of the present embodiment, comprise driving axis and the power driven assembly for driving driving axis to turn to, power driven assembly comprise power is inputted dynamical axis 1, extend hydraulic actuating cylinder 2 and be used for driving and extend with dynamical axis 1 transmission driving work the fluid power system 4 that hydraulic actuating cylinder 2 does fore and aft motion, the elongation piston rod of hydraulic actuating cylinder 2 is fixedly connected with the tierod 3 of driving axis; Wherein, driving axis also comprises drive axle 5, wheel limit assembly 6, knuckle assembly and track arm 8, be fixedly connected with bolt between track arm and the steering swivel 7 of knuckle assembly, steering swivel is inner to be fixed with the shell welding of drive axle, outer end is connected by stub with wheel limit assembly, and fix with bolt, tierod 3 two ends are connected with a pair track arm ball pivot respectively, and fix with bolt.
In the present embodiment, fluid power system 4 comprises petrol storage tank 41, oil pump 42 and Driven by Hydraulic Cylinder oil circuit, and oil pump 42 is double-direction gearpump, and oil pump 42 is coordinated with dynamical axis 1 Bidirectional driving by a commutation transmission; Double-direction gearpump, Driven by Hydraulic Cylinder oil circuit support the use with elongation hydraulic actuating cylinder 2, brake noise all can be carried to same direction when obtaining forward and reverse power by double-direction gearpump, adapting to the left and right turn of vehicle; In addition, in petrol storage tank 41, be also provided with oil measurer, be convenient to detect by an unaided eye and brake the change of oil mass.
In the present embodiment, commutation transmission comprises drive bevel gear 43, driven wheel of differential 44 and steering gear axle 45, drive bevel gear is connected with dynamical axis 1 key, drive bevel gear coordinates with the mode transmission of intersect vertical axis with driven wheel of differential, driven wheel of differential is connected with steering gear axle key, and steering gear axle coordinates with the transmission of oil pump 42 power intake; When dynamical axis 1 power inputs, oil pump 42 carries out adapting the work in direction simultaneously, thus reach the object turned to, wherein, the power input of dynamical axis 1 is by electronic or Non-follow control, can ensure by reversing gear transmission the commutation that dynamical axis 1 power is carried, and make compact overall structure, conserve space.
In the present embodiment, power driven assembly also comprises dynamical axis mounting shell 9, and the cylinder body extending hydraulic actuating cylinder 2 is fixedly installed on dynamical axis 1 mounting shell; Dynamical axis 1 mounting shell can be fixedly installed on chassis or Drive axle housing, and dynamical axis 1 is with can around own axis, and the cylinder body extending hydraulic actuating cylinder 2 is fixedly mounted on dynamical axis 1 mounting shell.
In the present embodiment, the oil circuit II47 that Driven by Hydraulic Cylinder oil circuit comprises the oil circuit I46 for driving the piston rod extending hydraulic actuating cylinder 2 to extend and shrinks for piston rod, oil pump 42 is arranged on described oil circuit I, and oil circuit I and oil circuit II is provided with oil filter 48; Oil circuit I and oil circuit II good seal everywhere, brakeless oil leaks, and oil circuit is also provided with by pass valve, plays overload protective function.
In the present embodiment, dynamical axis 1 power intake is also provided with steering handwheel 10.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.

Claims (6)

1. a heavy motor vehicle first drive axle steering hardware, it is characterized in that: comprise driving axis and the power driven assembly for driving driving axis to turn to, described power driven assembly comprise power is inputted dynamical axis, extend hydraulic actuating cylinder and be used for driving and extend with dynamical axis transmission driving work the fluid power system that hydraulic actuating cylinder does fore and aft motion, the piston rod of described elongation hydraulic actuating cylinder is fixedly connected with the tierod of described driving axis.
2. heavy motor vehicle first drive axle steering hardware according to claim 1, it is characterized in that: described fluid power system comprises petrol storage tank, oil pump and Driven by Hydraulic Cylinder oil circuit, described oil pump is double-direction gearpump, and described oil pump is coordinated with described dynamical axis Bidirectional driving by a commutation transmission.
3. heavy motor vehicle first drive axle steering hardware according to claim 2, it is characterized in that: described commutation transmission comprises drive bevel gear, driven wheel of differential and steering gear axle, described drive bevel gear is connected with described power axle key, described drive bevel gear coordinates with the mode transmission of intersect vertical axis with described driven wheel of differential, described driven wheel of differential is connected with described steering gear axle key, and described steering gear axle coordinates with the transmission of described oil pump power intake.
4. heavy motor vehicle first drive axle steering hardware according to claim 3, is characterized in that: described power driven assembly also comprises dynamical axis mounting shell, and the cylinder body of described elongation hydraulic actuating cylinder is fixedly installed on described dynamical axis mounting shell.
5. heavy motor vehicle first drive axle steering hardware according to claim 4, it is characterized in that: the oil circuit II that described Driven by Hydraulic Cylinder oil circuit comprises the oil circuit I for driving the piston rod extending hydraulic actuating cylinder to extend and shrinks for piston rod, described oil pump is arranged on described oil circuit I, and described oil circuit I and described oil circuit II is provided with oil filter.
6. heavy motor vehicle first drive axle steering hardware according to claim 5, is characterized in that: described dynamical axis power intake is also provided with steering handwheel.
CN201520103210.3U 2015-02-12 2015-02-12 Heavy motor vehicle first drive axle steering hardware Expired - Fee Related CN204488907U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520103210.3U CN204488907U (en) 2015-02-12 2015-02-12 Heavy motor vehicle first drive axle steering hardware

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520103210.3U CN204488907U (en) 2015-02-12 2015-02-12 Heavy motor vehicle first drive axle steering hardware

Publications (1)

Publication Number Publication Date
CN204488907U true CN204488907U (en) 2015-07-22

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ID=53568180

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520103210.3U Expired - Fee Related CN204488907U (en) 2015-02-12 2015-02-12 Heavy motor vehicle first drive axle steering hardware

Country Status (1)

Country Link
CN (1) CN204488907U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115158452A (en) * 2022-06-29 2022-10-11 浙江夏厦精密制造股份有限公司 Novel steering gear in oil-electricity hybrid vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115158452A (en) * 2022-06-29 2022-10-11 浙江夏厦精密制造股份有限公司 Novel steering gear in oil-electricity hybrid vehicle

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150722

Termination date: 20160212

CF01 Termination of patent right due to non-payment of annual fee