CN103754281B - A kind of contact area and the adjustable Athey wheel of degree of tightness - Google Patents
A kind of contact area and the adjustable Athey wheel of degree of tightness Download PDFInfo
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- CN103754281B CN103754281B CN201410036604.1A CN201410036604A CN103754281B CN 103754281 B CN103754281 B CN 103754281B CN 201410036604 A CN201410036604 A CN 201410036604A CN 103754281 B CN103754281 B CN 103754281B
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- contact area
- wheel
- group frame
- rubber belt
- bearing
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Abstract
The invention belongs to technical field of vehicle, for being grounded area and the adjustable function of rubber belt track degree of tightness, vehicle is made to be provided simultaneously with relatively high maneuverability and the ability by property, the present invention provides a kind of contact area and the adjustable Athey wheel of degree of tightness, ensureing original to turn to, brake and outside the function such as transmission, by controlling the oil charging-discharging of double acting hydraulic cylinder in contact area governor motion, the adjustment of different contact areas when highway, cross-country, three kinds of road conditions of extreme condition can be realized；By to the control of tensioning hydro-cylinder in track tension device, it may be achieved the tensioning of rubber belt track and loosening, it is ensured that vehicle, travelling or in steering procedure, crawler belt obscission will not occur, improves the road conditions adaptive capacity of vehicle；There are certain Military value and economic results in society.
Description
Technical field
The invention belongs to technical field of vehicle, be specifically related to a kind of contact area and the adjustable Athey wheel of degree of tightness.
Background technology
Change along with the mission of army and task, the use scope of military vehicle and region are more and more extensive, Local Adaptation ability and maneuverability to vehicle are had higher requirement, this cannot meet for conventional wheeled or endless-track vehicle, and particularly endless-track vehicle is not suitable for the Main way of the following new pattern of operation.Wheeled vehicle, with the advantage of its maneuverability, is adapted to the above-mentioned pattern of operation, but wheeled vehicle is compared than endless-track vehicle and had higher ground connection pressure, when road conditions extreme by marsh, snowfield etc., it may occur however that depression, weakens its mobile operations.Wheeled vehicle running gear should continue to develop its high maneuverability, also should absorb the cross-country traveling advantage of endless-track vehicle, to adapt to environment complicated and changeable in modern operation simultaneously.Therefore, wheeled vehicle installs that contact area is adjustable takes turns shoe converting unit, can adjust the contact area of crawler belts according to different road conditions, it is achieved its high maneuverability has cross-country traveling feature concurrently.
At present, commercial market occurs being mountable to the Athey wheel of some specific vehicle, improves the handling capacity of vehicle.But, what above-mentioned Athey wheel adopted is fixed structure, and namely crawler bearing area is unadjustable, therefore while improving trafficability, sacrifices the mobility of vehicle greatly, and the application in a lot of occasions is affected by restriction.
Summary of the invention
(1) to solve the technical problem that
The technical problem to be solved in the present invention is to provide a kind of contact area and the adjustable Athey wheel of degree of tightness, it is achieved its contact area and the adjustable function of rubber belt track degree of tightness, makes vehicle be provided simultaneously with relatively high maneuverability and the ability by property.
(2) technical scheme
For solving above-mentioned technical problem, the present invention provides a kind of contact area and the adjustable Athey wheel of degree of tightness, including driving shaft, drivewheel, rubber belt track, alloy group frame, bogie wheel assembly and carrier wheel assembly, by fastening, bolt is fixing to be connected described driving shaft with drivewheel, driving shaft is flexibly connected by bearing with alloy group frame, and drivewheel contacts with rubber belt track；Carrier wheel assembly one end is flexibly connected to the corresponding journal stirrup of alloy group frame by bearing, and its other end contacts with rubber belt track；It is characterized in that: this is taken turns shoe converting unit and also includes track tension device and contact area governor motion, and described track tension device one end is flexibly connected by bearing pin to the corresponding journal stirrup of alloy group frame, and the other end contacts with rubber belt track；Contact area governor motion upper end is flexibly connected by bearing pin to the corresponding journal stirrup of alloy group frame, and lower end bogie wheel assembly contacts with rubber belt track, is provided with guiding mechanism between contact area governor motion and alloy group frame simultaneously.
Wherein, described track tension device includes support arm, tensioning hydro-cylinder, regulating wheel, regulating wheel installs bearing and regulating wheel installs axle, wherein said support arm one end is flexibly connected by bearing pin to the corresponding journal stirrup of alloy group frame, and the middle part that the other end installs axle with regulating wheel is flexibly connected by bearing；Tensioning hydro-cylinder rodless cavity one end is flexibly connected by bearing pin to the corresponding journal stirrup of alloy group frame, and its rod chamber one end is flexibly connected by bearing pin with support arm；2 regulating wheels are connected by flat key is fixing with the two ends of regulating wheel installation axle.
Wherein, described contact area governor motion includes bogie wheel support arm, bogie wheel, double acting hydraulic cylinder, bogie wheel installs bearing and bogie wheel installs axle；Wherein 2 bogie wheel support arm upper ends are flexibly connected by bearing pin to the corresponding journal stirrup of alloy group frame respectively, and its lower end is installed axle with 2 bogie wheels respectively and is flexibly connected by bearing；The two ends of double acting hydraulic cylinder are flexibly connected by bearing with 2 bogie wheel support arms, and in the middle part of it, SDeflector face coordinates with the gathering sill of alloy group frame；4 bogie wheels and 2 bogie wheels install the two ends of axle by the fixing connection of flat key.
(3) beneficial effect
Compared with prior art, the present invention possesses following beneficial effect:
1, the present invention ensureing original to turn to, brake and outside the function such as transmission, by controlling the oil charging-discharging of double acting hydraulic cylinder in contact area governor motion, the adjustment of different contact areas when highway, cross-country, three kinds of road conditions of extreme condition can be realized；By to the control of tensioning hydro-cylinder in track tension device, it may be achieved the tensioning of rubber belt track and loosening, it is ensured that vehicle, travelling or in steering procedure, crawler belt obscission will not occur, improves the road conditions adaptive capacity of vehicle；There are certain Military value and economic results in society.
Accompanying drawing explanation
Fig. 1 is contact area provided by the invention and the outline drawing of the adjustable Athey wheel of degree of tightness；
Fig. 2 is contact area provided by the invention and the degree of tightness adjustable Athey wheel structural representation when medium contact area；
Fig. 3 is contact area provided by the invention and the degree of tightness adjustable Athey wheel structural representation when maximum contact area；
Fig. 4 is contact area provided by the invention and the degree of tightness adjustable Athey wheel structural representation when minimum contact area；
Fig. 5 is the structural representation of track tension device in contact area provided by the invention and the adjustable Athey wheel of degree of tightness；
Fig. 6 is the structural representation of contact area governor motion in contact area provided by the invention and the adjustable Athey wheel of degree of tightness.
Detailed description of the invention
For making the purpose of the present invention, content and advantage clearly, below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
The present invention is based on the vehicle of existing wheeled vehicle, the structural design that employing can be exchanged with wheeled vehicle tire, its mounting interface size is enable to mate completely with the wheel limit assembly of former car, ensure original to turn to, brake and outside the function such as transmission, also can realize the adjustment of different contact areas when highway, cross-country, three kinds of road conditions of extreme condition, it is simultaneously provided with track tension device, it is ensured that vehicle, travelling or in steering procedure, crawler belt obscission will not occur, improves the road conditions adaptive capacity of vehicle.
As illustrated in fig. 1 and 2, contact area provided by the invention and the adjustable Athey wheel of degree of tightness, including driving shaft 1, drivewheel 2, rubber belt track 3, alloy group frame 5, bogie wheel assembly 7 and carrier wheel assembly 8, by fastening, bolt is fixing to be connected described driving shaft 1 with drivewheel 2, driving shaft 1 is flexibly connected by bearing with alloy group frame 5, and drivewheel 2 contacts with rubber belt track 3；Carrier wheel assembly 8 one end is flexibly connected to the corresponding journal stirrup of alloy group frame 5 by bearing, and its other end contacts with rubber belt track 3；This is taken turns shoe converting unit and also includes track tension device 4 and contact area governor motion 6, and described track tension device 4 one end is flexibly connected by bearing pin to the corresponding journal stirrup of alloy group frame 5, and the other end contacts with rubber belt track 3；Contact area governor motion 6 upper end is flexibly connected by bearing pin to the corresponding journal stirrup of alloy group frame 5, lower end bogie wheel assembly 7 contacts with rubber belt track 3, it is provided with guiding mechanism between contact area governor motion 6 and alloy group frame 5, to keep the stability taken turns and carry out converting unit provided by the invention simultaneously.
Drivewheel 2 is connected with vehicle wheel limit assembly, and Vehicular turn and braking function rely on former vehicle wheel side assembly to realize.Drivewheel 2 receives the power of power transmission shaft transmission, and imparts power to rubber belt track 3 by tooth socket fit, it may be achieved the normal traveling of vehicle.
Such as Fig. 2, shown in 3 and 4, contact area provided by the invention and the adjustable Athey wheel of degree of tightness, rely on the spacing and built-in travel switch in inside of double acting hydraulic cylinder 16, to contact area adjustment, 3 kinds of operating modes of contact area medium, minimum and maximum can be divided into.
As shown in Figure 5, described track tension device 4 includes support arm 9, tensioning hydro-cylinder 10, regulating wheel 11, regulating wheel installs bearing 12 and regulating wheel installs axle 13, wherein said support arm 9 one end is flexibly connected by bearing pin to the corresponding journal stirrup of alloy group frame 5, and the middle part that the other end installs axle 13 with regulating wheel is flexibly connected by bearing；Tensioning hydro-cylinder 10 rodless cavity one end is flexibly connected by bearing pin to the corresponding journal stirrup of alloy group frame 5, and its rod chamber one end is flexibly connected by bearing pin with support arm 9；2 regulating wheels 11 are connected by flat key is fixing with the two ends of regulating wheel installation axle 13.
As shown in Figure 6, described contact area governor motion 6 includes bogie wheel support arm 14, bogie wheel 15, double acting hydraulic cylinder 16, bogie wheel installs bearing 17 and bogie wheel installs axle 18；Wherein 2 bogie wheel support arm 14 upper ends are flexibly connected by bearing pin to the corresponding journal stirrup of alloy group frame 5 respectively, and its lower end is installed axle 18 with 2 bogie wheels respectively and is flexibly connected by bearing；The two ends of double acting hydraulic cylinder 16 are flexibly connected by bearing with 2 bogie wheel support arms 14, in the middle part of it, SDeflector face coordinates with the gathering sill of alloy group frame 5, ensure that double acting hydraulic cylinder 16 can only move up and down relative to alloy group frame 5, maintain the stability of bogie wheel assembly 7；4 bogie wheels 15 are connected by flat key is fixing with the two ends of 2 bogie wheels installation axles 18.
The present invention arranges contact area governor motion 6, by the oil charging-discharging of double acting hydraulic cylinder 16 in contact area governor motion 6 is controlled, it may be achieved wheel carries out the adjustment of the contact area of converting unit.When to double acting hydraulic cylinder 16 rodless cavity oil-filled time, two ends piston rod is overhanging, promotes 2 bogie wheel support arms 14 around the corresponding journal stirrup bearing pin abduction of alloy group frame 5, and then 2 bogie wheel assembly 7 spacing increase, and crawler bearing area increases；Otherwise, when oil-filled to double acting hydraulic cylinder 16 two ends rod chamber, two ends piston rod bounces back, and drives 2 bogie wheel support arms 14 to receive in the corresponding journal stirrup bearing pin of alloy group frame 5, and then 2 bogie wheel assembly 7 spacing reduce, and crawler bearing area reduces.
The present invention arranges track tension device 4, by the control of tensioning hydro-cylinder 10 in track tension device 4, it is achieved the tensioning of rubber belt track and loosening.When tensioning hydro-cylinder 10 rodless cavity is oil-filled, piston rod is overhanging, promotes support arm 9 around the corresponding journal stirrup bearing pin abduction of alloy group frame 5, and then regulating wheel 11 pushes out rubber belt track 3, until it reaches preset pressure position, rubber belt track 3 tensioning；Otherwise, when tensioning hydro-cylinder 10 rod chamber is oil-filled, piston rod inside contracts, and drives support arm 9 to receive in the corresponding journal stirrup bearing pin of alloy group frame 5, and then regulating wheel 11 is inwardly regained, until it reaches spacing in tensioning hydro-cylinder 10, rubber belt track 3 loosens.
Before contact area provided by the invention and degree of tightness adjustable Athey wheel contact area adjustment action, rubber belt track 3 loosening up to be made；Wheel to do rubber belt track 3 tensioning action after carrying out converting unit contact area adjustment action.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the technology of the present invention principle; can also carrying out some improvement and deformation, these improve and deformation also should be regarded as protection scope of the present invention.
Claims (1)
1. a contact area and the adjustable Athey wheel of degree of tightness, including driving shaft (1), drivewheel (2), rubber belt track (3), alloy group frame (5), bogie wheel assembly (7) and carrier wheel assembly (8), by fastening, bolt is fixing to be connected described driving shaft (1) with drivewheel (2), driving shaft (1) is flexibly connected by bearing with alloy group frame (5), and drivewheel (2) contacts with rubber belt track (3)；Carrier wheel assembly (8) one end is flexibly connected to the corresponding journal stirrup of alloy group frame (5) by bearing, and its other end contacts with rubber belt track (3)；It is characterized in that: this Athey wheel also includes track tension device (4) and contact area governor motion (6), described track tension device (4) one end is flexibly connected by bearing pin to the corresponding journal stirrup of alloy group frame (5), and the other end contacts with rubber belt track (3)；Contact area governor motion (6) upper end is flexibly connected by bearing pin to the corresponding journal stirrup of alloy group frame (5), lower end bogie wheel assembly (7) contacts with rubber belt track (3), is provided with guiding mechanism between contact area governor motion (6) and alloy group frame (5) simultaneously；
Described track tension device (4) includes support arm (9), tensioning hydro-cylinder (10), regulating wheel (11), regulating wheel installs bearing (12) and regulating wheel installs axle (13), wherein said support arm (9) one end is flexibly connected by bearing pin to the corresponding journal stirrup of alloy group frame (5), and the middle part that the other end installs axle (13) with regulating wheel is flexibly connected by bearing；Tensioning hydro-cylinder (10) rodless cavity one end is flexibly connected by bearing pin to the corresponding journal stirrup of alloy group frame (5), and its rod chamber one end is flexibly connected by bearing pin with support arm (9)；2 regulating wheels (11) are connected by flat key is fixing with the two ends of regulating wheel installation axle (13)；
Described contact area governor motion (6) includes bogie wheel support arm (14), bogie wheel (15), double acting hydraulic cylinder (16), bogie wheel installs bearing (17) and bogie wheel installs axle (18)；Wherein 2 bogie wheel support arm (14) upper ends are flexibly connected by bearing pin to the corresponding journal stirrup of alloy group frame (5) respectively, and its lower end is installed axle (18) with 2 bogie wheels respectively and is flexibly connected by bearing；The two ends of double acting hydraulic cylinder (16) are flexibly connected by bearing with 2 bogie wheel support arms (14), and in the middle part of it, SDeflector face coordinates with the gathering sill of alloy group frame (5)；4 bogie wheels (15) are connected by flat key is fixing with the two ends of 2 bogie wheels installation axle (18)；
By the oil charging-discharging of double acting hydraulic cylinder (16) in contact area governor motion (6) is controlled, it may be achieved wheel carries out the adjustment of the contact area of converting unit；When to double acting hydraulic cylinder (16) rodless cavity oil-filled time, two ends piston rod is overhanging, promote 2 bogie wheel support arms (14) around the corresponding journal stirrup bearing pin abduction of alloy group frame (5), and then 2 bogie wheel assembly (7) spacing increase, crawler bearing area increases；Otherwise, when oil-filled to double acting hydraulic cylinder (16) two ends rod chamber, two ends piston rod retraction, 2 bogie wheel support arms (14) are driven to receive in the corresponding journal stirrup bearing pin of alloy group frame (5), and then 2 bogie wheel assembly (7) spacing reduce, crawler bearing area reduces；
By to the control of tensioning hydro-cylinder (10) in track tension device (4), it is achieved the tensioning of rubber belt track and loosening；When tensioning hydro-cylinder (10) rodless cavity is oil-filled, piston rod is overhanging, promote support arm (9) around the corresponding journal stirrup bearing pin abduction of alloy group frame (5), and then regulating wheel (11) pushes out rubber belt track (3), until reaching preset pressure position, rubber belt track (3) tensioning；Otherwise, when tensioning hydro-cylinder (10) rod chamber is oil-filled, piston rod inside contracts, support arm (9) is driven to receive in the corresponding journal stirrup bearing pin of alloy group frame (5), and then regulating wheel (11) inwardly regains, until reaching in tensioning hydro-cylinder (10) spacing, rubber belt track (3) loosens；
Before Athey wheel contact area adjustment action, make rubber belt track (3) loosening up；After Athey wheel contact area adjustment action, do rubber belt track (3) tensioning action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410036604.1A CN103754281B (en) | 2014-01-25 | 2014-01-25 | A kind of contact area and the adjustable Athey wheel of degree of tightness |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410036604.1A CN103754281B (en) | 2014-01-25 | 2014-01-25 | A kind of contact area and the adjustable Athey wheel of degree of tightness |
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| CN103754281A CN103754281A (en) | 2014-04-30 |
| CN103754281B true CN103754281B (en) | 2016-07-20 |
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| CN201410036604.1A Expired - Fee Related CN103754281B (en) | 2014-01-25 | 2014-01-25 | A kind of contact area and the adjustable Athey wheel of degree of tightness |
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| CN104590410B (en) * | 2015-01-15 | 2016-08-31 | 同济大学 | A kind of caterpillar drive based on hydraulic oil cylinder driving |
| CN105882774B (en) * | 2016-05-05 | 2018-05-08 | 中国北方车辆研究所 | It is a kind of that the wheeled Athey wheel mutually changed with crawler type state can be achieved |
| CN107804385B (en) * | 2017-10-30 | 2020-04-21 | 北京理工大学 | Track tensioning device |
| CN108104812B (en) * | 2017-12-28 | 2019-11-05 | 山东里能鲁西矿业有限公司 | A kind of mining hydraulic splits rock machine |
| CN110481662A (en) * | 2019-09-24 | 2019-11-22 | 履地科技(天津)有限公司 | A kind of adjustable rubber belt track wheel of ground pressure |
| CN111409866B (en) * | 2020-04-03 | 2021-08-03 | 中国北方车辆研究所 | Wheel-track combined type lunar vehicle with high trafficability |
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| JP4747786B2 (en) * | 2005-10-31 | 2011-08-17 | 井関農機株式会社 | Crawler traveling device for tractor |
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| JP3863790B2 (en) * | 2002-02-15 | 2006-12-27 | ヤンマー農機株式会社 | Tractor |
| CN201220698Y (en) * | 2008-06-17 | 2009-04-15 | 李立顺 | Externally hung track apparatus for drive wheel of double-shaft transport vehicle |
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