CN101973305A - Damping mechanical rod type steering system - Google Patents

Damping mechanical rod type steering system Download PDF

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Publication number
CN101973305A
CN101973305A CN 201010508399 CN201010508399A CN101973305A CN 101973305 A CN101973305 A CN 101973305A CN 201010508399 CN201010508399 CN 201010508399 CN 201010508399 A CN201010508399 A CN 201010508399A CN 101973305 A CN101973305 A CN 101973305A
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CN
China
Prior art keywords
steering
shaft sleeve
shaft
steering shaft
swivel system
Prior art date
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.)
Pending
Application number
CN 201010508399
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Chinese (zh)
Inventor
李奎霖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Niuli Machinery Manufactory Co Ltd
Original Assignee
Guangdong Niuli Machinery Manufactory Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Niuli Machinery Manufactory Co Ltd filed Critical Guangdong Niuli Machinery Manufactory Co Ltd
Priority to CN 201010508399 priority Critical patent/CN101973305A/en
Publication of CN101973305A publication Critical patent/CN101973305A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a damping mechanical rod type steering system. The damping mechanical rod type steering system comprises a steering system, wherein the steering system is fixed on a stand and comprises an operating rudder, an operation connecting rod, a rudder tiller seat, a steering shaft, a driving wheel, an upper shaft sleeve and a lower shaft sleeve; the upper part and the lower part of the steering shaft are fixed on the stand through the upper shaft sleeve and the lower shaft sleeve; an upper needle roller bearing is arranged between the steering shaft and the upper shaft sleeve; a damping spring which is sleeved on the steering shaft is arranged below the upper shaft sleeve; a lower needle roller bearing is arranged between the lower shaft sleeve and the steering shaft; the lower end of the steering shaft is connected with the driving wheel through a shaft; the upper end of the steering shaft is locked with the rudder tiller seat; and the operating rudder is fixed on the rudder tiller seat through the operation connecting rod. The system has the advantages of simple structure, reliable action, high universality and is convenient to manufacture, easy to steer and convenient to maintain.

Description

A kind of damping type machinery rod-type steering swivel system
Technical field
The present invention relates to all-electric car steering swivel system technical field, especially a kind ofly be applicable to that small-sized station drives the damping type machinery rod-type steering swivel system that formula or legged all-electric carrier-and-stacker turn to.
Background technology
1, the oldfashioned steering swivel system adopts the spline form to turn at present, and spline and spline housing processing are installed and removed relative difficult because of difficulty.
2, old-fashioned turning to adopts deep groove ball bearing as stressed, power transmission part.Float for convenience and adopt big free-running fit usually, thus forward, have when walking backward produce impulsive force may.
3, old-fashionedly turn to the common employing nylon jacket dead axle heart.Nylon jacket is processed by bar, and loss is big, can produce distortion during as big load and strengthen cornering resistance.When changing, the application of non-tender needs specific customization.
4, old-fashioned steering swivel system damper spring installation site is fixed.Need increase pad when changing propulsive effort as need, operability is not strong.
Summary of the invention
The objective of the invention is the above-mentioned deficiency at prior art, a kind of damping type machinery rod-type steering swivel system is provided, have simple in structurely, easy to make, reliable in action such as turns to easily at advantage.
In order to reach above-mentioned design goal, the technical solution used in the present invention is as follows:
A kind of damping type machinery rod-type steering swivel system, keystone configuration comprises steering swivel system, steering swivel system is fixed on the frame, steering swivel system comprises operation rudder, operator link, tiller seat, steering shaft, drive wheel, Upper shaft sleeve and Lower shaft sleeve, described steering shaft upper and lower is fixed on the frame by Upper shaft sleeve, Lower shaft sleeve respectively, be provided with needle bearing between steering shaft and the Upper shaft sleeve, described Upper shaft sleeve downside is provided with the damper spring that is enclosed within on the steering shaft; Be provided with down needle bearing between described Lower shaft sleeve and the steering shaft, the steering shaft lower end drive wheel that is coupling; Described steering shaft upper end interlocking tiller seat passes through operator link fixing operation rudder on the tiller seat.
Be provided with surface bearing between described Upper shaft sleeve downside and the steering shaft.
Described damper spring upper end overhead is on surface bearing, and damper spring lower end overhead is on the setting nut that is threaded on the steering shaft.
Described Upper shaft sleeve upside is provided with the spacing screw rod of interlocking on steering shaft.
Described tiller seat is with the tiller cover outward.
The beneficial effect of damping type machinery rod-type steering swivel system of the present invention is: simple in structure, easy to make, reliable in action turns to easily; The application of gauge member, convenient and swift, highly versatile, easy to maintenance; The needle bearing carry-over moment is big, and centering sticking phenomenon do not occur flexibly; Spring is adjustable, eliminates the making error of each spring, and the propulsive effort that adapts to different automobile types changes; The utilization of tiller cover makes the car load profile more attractive in appearance, and the upper and lower motion process of tiller seat is hidden in the tiller cover.
Cancel the application of spline, adopted bolt to connect, simplified steering shaft processing.Turning efficiency is identical with spline, can experience the effectiveness in vibration suppression of spring when the operator operates, and can't cause discomfort;
The utilization needle bearing is contemporary for deep groove ball bearing and nylon jacket.Reduce part, lateral stressed, steering shaft centering are integrated in one.Have bigger height dimension owing to needle bearing simultaneously, and still be well positioned to meet stressed after both having made inner ring with respect to upper and lower slip one segment distance of roller and the centering requirement;
Adopt nut adjustable the location of damper spring, can follow border requirement factually to regulate, increase, reduce propulsive effort, simple and convenient.
Description of drawings
Fig. 1 is the scheme drawing of the described damping type machinery of embodiment of the invention rod-type steering swivel system;
Fig. 2 is the use scheme drawing of the described damping type machinery of embodiment of the invention rod-type steering swivel system.
Among the figure: 1, frame; 2, steering swivel system; 3, operation rudder; 4, operator link; 5, tiller seat; 6, bolt of rear end plate; 7, tiller cover; 8, spacing screw rod; 9, go up needle bearing; 10, surface bearing; 11, damper spring; 12, setting nut; 13, steering shaft; 14, following needle bearing; 15, drive wheel; 16, Upper shaft sleeve; 17, Lower shaft sleeve.
The specific embodiment
Below in conjunction with accompanying drawing optimum implementation of the present invention is described in further detail.
As illustrated in fig. 1 and 2, the described damping type machinery of embodiment of the invention rod-type steering swivel system, keystone configuration is the steering swivel system 2 that is fixed on the frame 1, steering swivel system 2 comprises operation rudder 3, operator link 4, tiller seat 5, steering shaft 13, drive wheel 15, Upper shaft sleeve 16 and Lower shaft sleeve 17, described steering shaft 13 upper and lowers are respectively by Upper shaft sleeve 16, Lower shaft sleeve 17 is fixed on the frame 1, be provided with needle bearing 9 between steering shaft 13 and the Upper shaft sleeve 16, be provided with surface bearing 10 between Upper shaft sleeve 16 downsides and the steering shaft 13, described Upper shaft sleeve 16 downsides are provided with the damper spring 11 that is enclosed within on the steering shaft 13, damper spring 11 upper end overheads are on surface bearing 10, damper spring 11 lower end overheads are on the setting nut 12 that is threaded on the steering shaft 13, by the elastic force of setting nut 12 scalable damper springs 11; Described Upper shaft sleeve 16 upsides are provided with the spacing screw rod 8 of interlocking on steering shaft 13, and spacing screw rod 8 can limit the extreme higher position of Upper shaft sleeve 16.
Be provided with down needle bearing 14 between described Lower shaft sleeve 17 and the steering shaft 13.
The described steering shaft 13 lower ends drive wheel 15 that is coupling, during use, load is shared by the front, rear, left and right four-wheel, and drive wheel 15 plays a part to drive and the control direction of travel.
Described steering shaft 13 upper ends are by bolt of rear end plate 6 interlocking tiller seats 5, pass through operator link 4 fixing operation rudders 3 on the tiller seat 5, the described tiller seat 5 outer tiller covers 7 that are with, tiller cover 7 is buckled the tiller seat 5 and the junction cover of steering shaft 13 come, during use, operation rudder 3 drives tiller seats 5 by operator link 4 and rotates, and the drive wheel 15 that drives steering shaft 13 and steering shaft 13 lower ends rotates together, thereby realization turns to control.
The fitting process of described damping type machinery rod-type steering swivel system is:
1, frame 1 is upwards sling, steering shaft 13 is inserted in from bottom to top, loads onto required part and gauge member by the rigging position relation in the process of being inserted in, and puts down frame 1.
2, upper and lower needle bearing 9 (14) is respectively charged in the upper and lower axle sleeve 16 (17),, loads onto drive wheel 15 with elastic spring difference fixed type bearing outer ring, inner ring.
3, surface bearing 10 is packed on request axle sleeve 16 is regulated setting nut 12 and is made damper spring 11 precompressed one segment distance; Load onto spacing screw rod 8.
4, frame 1 is upwards sling once more, because action of gravity steering shaft 13 can move vertically downward, no catching phenomenon is qualified.
5, with tiller seat 5 and 6 lockings of steering shaft 13 usefulness bolt of rear end plates.Put tiller cover 7, load onto operator link 4 and operation rudder 3.Drive wheel 15 and then rotates during rotating operation rudder 3, changes driving direction, realizes turning to of car load.
6, according to required propulsive effort requirement, adjust setting nut 12 and fastening screw nut, then assembling is finished.
Its operating principle is:
1, makes drive wheel 15 and ground friction produce propulsive effort by damper spring 11 pressure and drive the car load walking.Propulsive effort acts on upper and lower needle bearing 9 (14) by steering shaft 13 during walking, passes to frame 1.
2, when ground is uneven, damper spring 11 makes drive wheel 15 and ground closed contact with drive wheel 15 effect downwards all the time.So on ground not at ordinary times, steering shaft 13 is not with drive wheel 15 upper and lower motions.Then upper and lower needle bearing 9 (14) needs with one heart, make the steering shaft 13 can free motions, and upper and lower needle bearing 9 (14) inner rings also can be with steering shaft 13 upper and lower motions simultaneously, with roller and outer ring the process of upper and lower displacement is arranged.Because upper and lower needle bearing 9 (14) inner rings and roller area of contact are bigger, upper and lower displacement does not within the specific limits influence its in-use performance in this assembling, thereby can satisfy the double requirements of carry-over moment and centering.
Acting on the propulsive effort that produces on the drive wheel 15 when 3, the adjusting Ying Yiqi of damper spring 11 is in least amount of deformation is adjustment criteria greater than the required maximum driving force of car load.Drive wheel 15 is non-slip when satisfying the maximum amount of moving down in simple terms.
The above only is an an example of the present invention, and simultaneously example does not limit the present invention, and is within the spirit and principles in the present invention all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (5)

1. damping type machinery rod-type steering swivel system, keystone configuration comprises steering swivel system, steering swivel system is fixed on the frame, it is characterized in that: steering swivel system comprises operation rudder, operator link, tiller seat, steering shaft, drive wheel, Upper shaft sleeve and Lower shaft sleeve, described steering shaft upper and lower is fixed on the frame by Upper shaft sleeve, Lower shaft sleeve respectively, be provided with needle bearing between steering shaft and the Upper shaft sleeve, described Upper shaft sleeve downside is provided with the damper spring that is enclosed within on the steering shaft; Be provided with down needle bearing between described Lower shaft sleeve and the steering shaft, the steering shaft lower end drive wheel that is coupling; Described steering shaft upper end interlocking tiller seat passes through operator link fixing operation rudder on the tiller seat.
2. damping type machinery rod-type steering swivel system according to claim 1 is characterized in that: be provided with surface bearing between described Upper shaft sleeve downside and the steering shaft.
3. damping type machinery rod-type steering swivel system according to claim 2 is characterized in that: described damper spring upper end overhead is on surface bearing, and damper spring lower end overhead is on the setting nut that is threaded on the steering shaft.
4. damping type machinery rod-type steering swivel system according to claim 1 and 2, it is characterized in that: described Upper shaft sleeve upside is provided with the spacing screw rod of interlocking on steering shaft.
5. damping type machinery rod-type steering swivel system according to claim 1, it is characterized in that: described tiller seat is with the tiller cover outward.
CN 201010508399 2010-10-15 2010-10-15 Damping mechanical rod type steering system Pending CN101973305A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201010508399 CN101973305A (en) 2010-10-15 2010-10-15 Damping mechanical rod type steering system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201010508399 CN101973305A (en) 2010-10-15 2010-10-15 Damping mechanical rod type steering system

Publications (1)

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CN101973305A true CN101973305A (en) 2011-02-16

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CN 201010508399 Pending CN101973305A (en) 2010-10-15 2010-10-15 Damping mechanical rod type steering system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104249241A (en) * 2014-09-12 2014-12-31 林德(中国)叉车有限公司 Metal tiller and processing technique thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0425238A1 (en) * 1989-10-23 1991-05-02 Fuji Kiko Company Limited Telescopic shaft for rotational torque transmission
US5477744A (en) * 1992-09-28 1995-12-26 Equipments Et Composants Pour L'industrie Automobile Position adustable steering column assembly for a motor vehicle
CN2843951Y (en) * 2005-10-14 2006-12-06 比亚迪股份有限公司 A kind of automobile steering tubular column unit
US20080315550A1 (en) * 2007-06-22 2008-12-25 Parker James G Front suspension and steering system for a motorcycle
CN201751218U (en) * 2010-07-23 2011-02-23 浙江兰溪山野机械有限公司 Shock absorbing balance wheel for forklifts
CN201825144U (en) * 2010-10-15 2011-05-11 广东牛力机械制造有限公司 Vibration damping mechanical rod type steering system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0425238A1 (en) * 1989-10-23 1991-05-02 Fuji Kiko Company Limited Telescopic shaft for rotational torque transmission
US5477744A (en) * 1992-09-28 1995-12-26 Equipments Et Composants Pour L'industrie Automobile Position adustable steering column assembly for a motor vehicle
CN2843951Y (en) * 2005-10-14 2006-12-06 比亚迪股份有限公司 A kind of automobile steering tubular column unit
US20080315550A1 (en) * 2007-06-22 2008-12-25 Parker James G Front suspension and steering system for a motorcycle
CN201751218U (en) * 2010-07-23 2011-02-23 浙江兰溪山野机械有限公司 Shock absorbing balance wheel for forklifts
CN201825144U (en) * 2010-10-15 2011-05-11 广东牛力机械制造有限公司 Vibration damping mechanical rod type steering system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104249241A (en) * 2014-09-12 2014-12-31 林德(中国)叉车有限公司 Metal tiller and processing technique thereof

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Open date: 20110216