CN103754281A - Contact area and tightness adjustable crawler wheel - Google Patents
Contact area and tightness adjustable crawler wheel Download PDFInfo
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- CN103754281A CN103754281A CN201410036604.1A CN201410036604A CN103754281A CN 103754281 A CN103754281 A CN 103754281A CN 201410036604 A CN201410036604 A CN 201410036604A CN 103754281 A CN103754281 A CN 103754281A
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Abstract
The invention belongs to the technical field of vehicles and provides a contact area and tightness adjustable crawler wheel in order to achieve the functions of the contact area adjustment and the tightness adjustment of a rubber crawler and enable the vehicles to have high maneuverability and trafficability performance simultaneously. Through the contact area and tightness adjustable crawler wheel, the adjustment of different contact areas on the three road conditions such as highways, cross-country and extreme conditions can be achieved by controlling oil charge and oil discharge of a double-acting hydraulic cylinder in a contact area adjusting mechanism on the premise of ensuring original steering, braking, transmitting and other functions; through the control over a tension cylinder in a crawler tensioning mechanism, the tensioning and loosening of the rubber crawler can be achieved so that it can be guaranteed that the crawlers of the vehicles will not fall off in the running or steering process of the vehicles, and the road condition adaptive capacity of the vehicles are improved. The contact area and tightness adjustable crawler wheel has a certain military value and social and economic benefits.
Description
Technical field
The invention belongs to vehicle technology field, be specifically related to the adjustable Athey wheel of a kind of ground contact area and degree of tightness.
Background technology
Along with the variation of mission and the task of army, range of use and the region of military-designed vehicle are more and more extensive, Local Adaptation ability and maneuverability to vehicle are had higher requirement, this wheeled or continuously tracked vehicle for routine cannot meet, and particularly continuously tracked vehicle is not suitable for the main direction of the following new pattern of operation.Wheeled car, with the advantage of its maneuverability, is adapted to the above-mentioned pattern of operation, but wheeled car compares and have higher ground connection pressure than continuously tracked vehicle, when by the extreme road conditions such as marsh, snowfield, depression may occur, and weakens its mobile operations.Wheeled car running gear should continue to develop its high maneuverability, also should absorb the cross-country traveling advantage of continuously tracked vehicle, to adapt to environment complicated and changeable in modern operation simultaneously.Therefore, wheeled car is installed the adjustable shoe converting unit of taking turns of ground contact area, can adjust according to different road conditions the ground contact area of crawler belt, realizes its high maneuverability and has cross-country traveling feature concurrently.
At present, there is being installed on the Athey wheel of some specific vehicle in commercial market, improved the carrying capacity of vehicle.But what above-mentioned Athey wheel adopted is fixed sturcture, track area is unadjustable, therefore, when improving trafficability, has sacrificed greatly the manoevreability of vehicle, in the application of a lot of occasions, is all restricted.
Summary of the invention
(1) technical matters that will solve
The technical problem to be solved in the present invention is to provide a kind of ground contact area and the adjustable Athey wheel of degree of tightness, realizes its ground contact area and the adjustable function of rubber belt track degree of tightness, and vehicle is possessed compared with the ability of high maneuverability and crossing ability simultaneously.
(2) technical scheme
For solving the problems of the technologies described above, the invention provides the adjustable Athey wheel of a kind of ground contact area and degree of tightness, comprise imput shaft, driving wheel, rubber belt track, group of alloys frame, bearing wheed assembly and carrier wheel assembly, described imput shaft is fixedly connected with by binding bolt with driving wheel, imput shaft is flexibly connected by bearing with group of alloys frame, and driving wheel contacts with rubber belt track; Carrier wheel assembly one end is flexibly connected with the corresponding journal stirrup of group of alloys 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 comprises track tension device and ground contact area regulating mechanism, and described track tension device one end is flexibly connected by bearing pin with the corresponding journal stirrup of group of alloys frame, and the other end contacts with rubber belt track; Ground contact area regulating mechanism upper end is flexibly connected by bearing pin with the corresponding journal stirrup of group of alloys frame, and lower end bearing wheed assembly contacts with rubber belt track, is provided with guiding mechanism between ground contact area regulating mechanism and group of alloys frame simultaneously.
Wherein, described track tension device comprises support arm, tensioning hydro-cylinder, tension wheel, tension wheel installation bearing and tension wheel installation shaft, wherein said support arm one end is flexibly connected by bearing pin with the corresponding journal stirrup of group of alloys frame, and the other end is flexibly connected by bearing with the middle part of tension wheel installation shaft; Tensioning hydro-cylinder rodless cavity one end is flexibly connected by bearing pin with the corresponding journal stirrup of group of alloys frame, and its rod chamber one end is flexibly connected by bearing pin with support arm; 2 tension wheels are fixedly connected with by flat key with the two ends of tension wheel installation shaft.
Wherein, described ground contact area regulating mechanism comprises bearing wheed support arm, bearing wheed, double acting hydraulic cylinder, bearing wheed installation bearing and bearing wheed installation shaft; Wherein 2 bearing wheed support arm upper ends are flexibly connected by bearing pin with the corresponding journal stirrup of group of alloys frame respectively, and its lower end is flexibly connected by bearing with 2 bearing wheed installation shaft respectively; The two ends of double acting hydraulic cylinder are flexibly connected by bearing with 2 bearing wheed support arms, and its middle part SDeflector face coordinates with the guide groove of group of alloys frame; 4 bearing wheeds are fixedly connected with by flat key with the two ends of 2 bearing wheed installation shaft.
(3) beneficial effect
Compared with prior art, the present invention possesses following beneficial effect:
1, the present invention is guaranteeing originally to turn to, outside the function such as braking and transmission, by controlling the oil charging-discharging of double acting hydraulic cylinder in ground contact area regulating mechanism, can realize the adjusting of different ground contact areas under highway, cross-country, three kinds of road conditions conditions of extreme condition; By the control to tensioning hydro-cylinder in track tension device, can realize the tensioning of rubber belt track and loosen, guarantee vehicle travel or steering procedure in can there is not crawler belt obscission, improved the road conditions adaptive capacity of vehicle; There are certain Military value and economic results in society.
Accompanying drawing explanation
Fig. 1 is the outside drawing of the adjustable Athey wheel of ground contact area provided by the invention and degree of tightness;
Fig. 2 is ground contact area provided by the invention and the adjustable Athey wheel of the degree of tightness structural representation when the medium ground contact area;
Fig. 3 is the structural representation of the adjustable Athey wheel of ground contact area provided by the invention and degree of tightness when maximum ground contact area;
Fig. 4 is the structural representation of the adjustable Athey wheel of ground contact area provided by the invention and degree of tightness when minimum ground contact area;
Fig. 5 is the structural representation of track tension device in the adjustable Athey wheel of ground contact area provided by the invention and degree of tightness;
Fig. 6 is the structural representation of ground contact area regulating mechanism in the adjustable Athey wheel of ground contact area provided by the invention and degree of tightness.
The specific embodiment
For making object of the present invention, content and advantage clearer, 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 wheel car, the structure design that employing can be exchanged with wheeled car tire, its mounting interface size can be mated completely with the wheel limit assembly of former car, guarantee originally to turn to, outside the function such as braking and transmission, also can realize the adjusting of different ground contact areas under highway, cross-country, three kinds of road conditions conditions of extreme condition, be provided with track tension device simultaneously, guarantee vehicle travel or steering procedure in can there is not crawler belt obscission, improved the road conditions adaptive capacity of vehicle.
As illustrated in fig. 1 and 2, the Athey wheel that ground contact area provided by the invention and degree of tightness are adjustable, comprise imput shaft 1, driving wheel 2, rubber belt track 3, group of alloys frame 5, bearing wheed assembly 7 and carrier wheel assembly 8, described imput shaft 1 is fixedly connected with by binding bolt with driving wheel 2, imput shaft 1 is flexibly connected by bearing with group of alloys frame 5, and driving wheel 2 contacts with rubber belt track 3; Carrier wheel assembly 8 one end are flexibly connected with the corresponding journal stirrup of group of alloys frame 5 by bearing, and its other end contacts with rubber belt track 3; This is taken turns shoe converting unit and also comprises track tension device 4 and ground contact area regulating mechanism 6, and described track tension device 4 one end are flexibly connected by bearing pin with the corresponding journal stirrup of group of alloys frame 5, and the other end contacts with rubber belt track 3; Ground contact area regulating mechanism 6 upper ends are flexibly connected by bearing pin with the corresponding journal stirrup of group of alloys frame 5, lower end bearing wheed assembly 7 contacts with rubber belt track 3, between ground contact area regulating mechanism 6 and group of alloys frame 5, be provided with guiding mechanism, to keep the stability of carrying out converting unit of taking turns provided by the invention simultaneously.
As shown in Fig. 2,3 and 4, the Athey wheel that ground contact area provided by the invention and degree of tightness are adjustable, relies on the spacing and built-in travel switch in the inside of double acting hydraulic cylinder 16, can be to ground contact area adjustment, be divided into successively 3 kinds of operating modes of medium, minimum and maximum ground contact area.
As shown in Figure 5, described track tension device 4 comprises support arm 9, tensioning hydro-cylinder 10, tension wheel 11, tension wheel installation bearing 12 and tension wheel installation shaft 13, wherein said support arm 9 one end are flexibly connected by bearing pin with the corresponding journal stirrup of group of alloys frame 5, and the other end is flexibly connected by bearing with the middle part of tension wheel installation shaft 13; Tensioning hydro-cylinder 10 rodless cavity one end are flexibly connected by bearing pin with the corresponding journal stirrup of group of alloys frame 5, and its rod chamber one end is flexibly connected by bearing pin with support arm 9; 2 tension wheels 11 are fixedly connected with by flat key with the two ends of tension wheel installation shaft 13.
As shown in Figure 6, described ground contact area regulating mechanism 6 comprises bearing wheed support arm 14, bearing wheed 15, double acting hydraulic cylinder 16, bearing wheed installation bearing 17 and bearing wheed installation shaft 18; Wherein 2 bearing wheed support arm 14 upper ends are flexibly connected by bearing pin with the corresponding journal stirrup of group of alloys frame 5 respectively, and its lower end is flexibly connected by bearing with 2 bearing wheed installation shaft 18 respectively; The two ends of double acting hydraulic cylinder 16 are flexibly connected by bearing with 2 bearing wheed support arms 14, its middle part SDeflector face coordinates with the guide groove of group of alloys frame 5, guarantee that double acting hydraulic cylinder 16 can only move up and down with respect to group of alloys frame 5, maintain the stability of bearing wheed assembly 7; 4 bearing wheeds 15 are fixedly connected with by flat key with the two ends of 2 bearing wheed installation shaft 18.
The present invention arranges ground contact area regulating mechanism 6, by the oil charging-discharging control to double acting hydraulic cylinder 16 in ground contact area regulating mechanism 6, can realize the adjusting of the ground contact area of wheel shoe converting unit.When giving double acting hydraulic cylinder 16 rodless cavities when oil-filled, two ends piston rod is overhanging, promotes 2 bearing wheed support arms 14 around the corresponding journal stirrup bearing pin abduction of group of alloys frame 5, and then 2 bearing wheed assembly 7 spacing increases, track area increase; Otherwise double acting hydraulic cylinder 16 two ends rod chambers are oil-filled when giving, two ends piston rod retraction drives 2 bearing wheed support arms 14 to receive in the corresponding journal stirrup bearing pin of group of alloys frame 5, and then 2 bearing wheed assembly 7 spacing reduce, and track area reduces.
The present invention arranges track tension device 4, by the control to tensioning hydro-cylinder 10 in track tension device 4, realizes the tensioning of rubber belt track and loosens.When tensioning hydro-cylinder 10 rodless cavities are when oil-filled, piston rod is overhanging, promotes support arm 9 around the corresponding journal stirrup bearing pin abduction of group of alloys frame 5, and then outwards promotion rubber belt track 3 of tension wheel 11, until reach preset pressure position, rubber belt track 3 tensionings; Otherwise when tensioning hydro-cylinder 10 rod chambers are when oil-filled, piston rod inside contracts, and drives support arm 9 to receive in the corresponding journal stirrup bearing pin of group of alloys frame 5, and then tension wheel 11 inwardly regains, until it is interior spacing to reach tensioning hydro-cylinder 10, rubber belt track 3 loosens.
The Athey wheel ground contact area that ground contact area provided by the invention and degree of tightness are adjustable regulates before action, make rubber belt track 3 loosening ups; Wheel is carried out converting unit ground contact area and is regulated after action, do rubber belt track 3 tensioning actions.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also carry out some improvement and distortion, these improvement and distortion also should be considered as protection scope of the present invention.
Claims (3)
1. a ground contact area and the adjustable Athey wheel of degree of tightness, comprise imput shaft (1), driving wheel (2), rubber belt track (3), group of alloys frame (5), bearing wheed assembly (7) and carrier wheel assembly (8), described imput shaft (1) is fixedly connected with by binding bolt with driving wheel (2), imput shaft (1) is flexibly connected by bearing with group of alloys frame (5), and driving wheel (2) contacts with rubber belt track (3); Carrier wheel assembly (8) one end is flexibly connected with the corresponding journal stirrup of group of alloys frame (5) by bearing, and its other end contacts with rubber belt track (3); It is characterized in that: this is taken turns shoe converting unit and also comprises track tension device (4) and ground contact area regulating mechanism (6), described track tension device (4) one end is flexibly connected by bearing pin with the corresponding journal stirrup of group of alloys frame (5), and the other end contacts with rubber belt track (3); Ground contact area regulating mechanism (6) upper end is flexibly connected by bearing pin with the corresponding journal stirrup of group of alloys frame (5), lower end bearing wheed assembly (7) contacts with rubber belt track (3), is provided with guiding mechanism between ground contact area regulating mechanism (6) and group of alloys frame (5) simultaneously.
2. the adjustable Athey wheel of ground contact area as claimed in claim 1 and degree of tightness, it is characterized in that: described track tension device (4) comprises support arm (9), tensioning hydro-cylinder (10), tension wheel (11), tension wheel installation bearing (12) and tension wheel installation shaft (13), wherein said support arm (9) one end is flexibly connected by bearing pin with the corresponding journal stirrup of group of alloys frame (5), and the other end is flexibly connected by bearing with the middle part of tension wheel installation shaft (13); Tensioning hydro-cylinder (10) rodless cavity one end is flexibly connected by bearing pin with the corresponding journal stirrup of group of alloys frame (5), and its rod chamber one end is flexibly connected by bearing pin with support arm (9); 2 tension wheels (11) are fixedly connected with by flat key with the two ends of tension wheel installation shaft (13).
3. the adjustable Athey wheel of ground contact area as claimed in claim 1 and degree of tightness, is characterized in that: described ground contact area regulating mechanism (6) comprises bearing wheed support arm (14), bearing wheed (15), double acting hydraulic cylinder (16), bearing wheed installation bearing (17) and bearing wheed installation shaft (18); Wherein 2 bearing wheed support arms (14) upper end is flexibly connected by bearing pin with the corresponding journal stirrup of group of alloys frame (5) respectively, and its lower end is flexibly connected by bearing with 2 bearing wheed installation shaft (18) respectively; The two ends of double acting hydraulic cylinder (16) are flexibly connected by bearing with 2 bearing wheed support arms (14), and its middle part SDeflector face coordinates with the guide groove of group of alloys frame (5); 4 bearing wheeds (15) are fixedly connected with by flat key with the two ends of 2 bearing wheed installation shaft (18).
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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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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 true CN103754281A (en) | 2014-04-30 |
CN103754281B CN103754281B (en) | 2016-07-20 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104590410A (en) * | 2015-01-15 | 2015-05-06 | 同济大学 | Track driving device based on driving of oil cylinder |
CN105882774A (en) * | 2016-05-05 | 2016-08-24 | 中国北方车辆研究所 | Crawler wheel capable of realizing interconversion between wheel type state and crawler type state |
CN107804385A (en) * | 2017-10-30 | 2018-03-16 | 北京理工大学 | A kind of track takeup |
CN108104812A (en) * | 2017-12-28 | 2018-06-01 | 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 |
CN111409866A (en) * | 2020-04-03 | 2020-07-14 | 中国北方车辆研究所 | Wheel-track combined type lunar vehicle with high trafficability |
CN110481662B (en) * | 2019-09-24 | 2024-06-04 | 履地科技(天津)有限公司 | Rubber crawler wheel with adjustable grounding pressure |
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JP3863790B2 (en) * | 2002-02-15 | 2006-12-27 | ヤンマー農機株式会社 | Tractor |
JP2007118902A (en) * | 2005-10-31 | 2007-05-17 | Iseki & Co Ltd | Crawler traveling device of tractor |
CN201220698Y (en) * | 2008-06-17 | 2009-04-15 | 李立顺 | Externally hung track apparatus for drive wheel of double-shaft transport vehicle |
CN102398638A (en) * | 2010-09-12 | 2012-04-04 | 湖南省农友机械集团有限公司 | Crawler travelling device with adjustable chassis height |
CN202378982U (en) * | 2011-12-28 | 2012-08-15 | 山推工程机械股份有限公司 | Variable grounding specific pressure walking device of bulldozer |
CN202400181U (en) * | 2012-01-04 | 2012-08-29 | 江苏柳工机械有限公司 | Triangular track travelling system with suspension shock-absorbing device |
CN202703731U (en) * | 2012-07-12 | 2013-01-30 | 厦门厦工机械股份有限公司 | Crawler travelling device with independent damping function |
CN202847861U (en) * | 2012-10-23 | 2013-04-03 | 抚顺起重机制造有限责任公司 | Tensioning device of hydraulic band track device |
CN203381699U (en) * | 2013-07-10 | 2014-01-08 | 江苏省农垦农业发展股份有限公司 | Tractor walking device |
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2014
- 2014-01-25 CN CN201410036604.1A patent/CN103754281B/en not_active Expired - Fee Related
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3863790B2 (en) * | 2002-02-15 | 2006-12-27 | ヤンマー農機株式会社 | Tractor |
JP2007118902A (en) * | 2005-10-31 | 2007-05-17 | Iseki & Co Ltd | Crawler traveling device of tractor |
CN201220698Y (en) * | 2008-06-17 | 2009-04-15 | 李立顺 | Externally hung track apparatus for drive wheel of double-shaft transport vehicle |
CN102398638A (en) * | 2010-09-12 | 2012-04-04 | 湖南省农友机械集团有限公司 | Crawler travelling device with adjustable chassis height |
CN202378982U (en) * | 2011-12-28 | 2012-08-15 | 山推工程机械股份有限公司 | Variable grounding specific pressure walking device of bulldozer |
CN202400181U (en) * | 2012-01-04 | 2012-08-29 | 江苏柳工机械有限公司 | Triangular track travelling system with suspension shock-absorbing device |
CN202703731U (en) * | 2012-07-12 | 2013-01-30 | 厦门厦工机械股份有限公司 | Crawler travelling device with independent damping function |
CN202847861U (en) * | 2012-10-23 | 2013-04-03 | 抚顺起重机制造有限责任公司 | Tensioning device of hydraulic band track device |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104590410A (en) * | 2015-01-15 | 2015-05-06 | 同济大学 | Track driving device based on driving of oil cylinder |
CN104590410B (en) * | 2015-01-15 | 2016-08-31 | 同济大学 | A kind of caterpillar drive based on hydraulic oil cylinder driving |
CN105882774A (en) * | 2016-05-05 | 2016-08-24 | 中国北方车辆研究所 | Crawler wheel capable of realizing interconversion between wheel type state and crawler type state |
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 |
CN107804385A (en) * | 2017-10-30 | 2018-03-16 | 北京理工大学 | A kind of track takeup |
CN108104812A (en) * | 2017-12-28 | 2018-06-01 | 山东里能鲁西矿业有限公司 | A kind of mining hydraulic splits rock machine |
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 |
CN110481662B (en) * | 2019-09-24 | 2024-06-04 | 履地科技(天津)有限公司 | Rubber crawler wheel with adjustable grounding pressure |
CN111409866A (en) * | 2020-04-03 | 2020-07-14 | 中国北方车辆研究所 | Wheel-track combined type lunar vehicle with high trafficability |
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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Granted publication date: 20160720 Termination date: 20210125 |