CN104149564A - Drag reduction mechanism for wheel type multipurpose vehicle - Google Patents
Drag reduction mechanism for wheel type multipurpose vehicle Download PDFInfo
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- CN104149564A CN104149564A CN201410432120.9A CN201410432120A CN104149564A CN 104149564 A CN104149564 A CN 104149564A CN 201410432120 A CN201410432120 A CN 201410432120A CN 104149564 A CN104149564 A CN 104149564A
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- Prior art keywords
- drag reduction
- backward
- baffle plate
- slide rail
- wheel
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Abstract
A drag reduction mechanism for a wheel type multipurpose vehicle comprises a vehicle body, wheels, a front drag reduction baffle, a rear drag reduction baffle, a front slide rail, a rear slide rail, a front roller, a rear roller, a front baffle handle, a rear baffle handle and a rear baffle water inlet groove. The front slide rail and the rear slide rail are assembled on the two sides of the vehicle body, and the front drag reduction baffle and the rear drag reduction baffle are matched with the front slide rail and the rear slide rail to move in a back and forth mode through the front roller and the rear roller which are assembled on the inner sides of the upper portions of the two sides. The front drag reduction baffle and the rear drag reduction baffle reach the designated spot to wrap the wheels by means of the front roller and the rear roller after the wheels are put away, and drag reduction effect is achieved. The rear baffle water inlet groove is formed in the rear drag reduction baffle. Drag reduction devices similar to a sliding door type are additionally arranged at the two ends of the vehicle body of the multipurpose vehicle after the front wheels and the rear wheels are put away, so that the problem that the multipurpose vehicle cannot meet requirements of dynamic property and economical efficiency at the same time in design and use due to overlarge resistance when the multipurpose vehicle drives in water is solved.
Description
[technical field]
The present invention relates to a kind of wheeled Duo Qiche drag reduction mechanism, specifically, refer to and a kind of cooperation can reduce wheeled resistance to motion in Che Shui and the mechanism of beach resistance to motion of dwelling after wheel stow mechanism more, belong to technical field of engineering machinery.
[background technology]
The region on earth land nearly 50% is the place that vehicle can not arrive, soft and dark sludge road in water, such as the subsoiling such as beach and paddy field, common vehicle cannot set foot in, but the demand of civil and military makes again people have to pay close attention to these regions, so just there has been this unconventional traveling gear of the car of dwelling more.
Wheeled dwell vehicle owing to can adapting to road traveling more, can in water, navigate by water again, coordinate other mechanisms to advance in beach area simultaneously, be applicable to complicated operating mode and enjoy high praise.Though present wheeled cars of dwelling have been equipped with wheel stow mechanism mostly, due to the complexity of body construction, the curved surface structure of wheel, the car friction drag of dwelling while making low speed driving can reach 70% of total drag more, and the car turbulent flow of dwelling when high speed has seriously increased resistance to motion more.Need to there is a kind of mechanism easily wheel to be wrapped in car body, can improve car body flow field around, the drag reduction that water impact wheel is produced, thus reach the object that reduces car load resistance.
[summary of the invention]
1, goal of the invention:
The object of this invention is to provide a kind of wheeled Duo Qiche drag reduction mechanism, it is the fairing that respectively installs a set of similar sliding door type after the car car body front and back wheel of dwelling is packed up more at two ends place additional, and the car of dwelling that solution causes because resistance to motion in the Che Shui of dwelling excessive more cannot meet the problem of dynamic property and economy requirement more in the time of design and use simultaneously.
2, technical scheme:
The wheeled Duo Qiche drag reduction of the present invention's one mechanism comprises car body, wheel, forward and backward drag reduction baffle plate, forward and backward slide rail and forward and backward roller and forward and backward baffle plate handle and back shield intake chamber; Position annexation between them is: forward and backward slide rail is assemblied in car body both sides, and forward and backward drag reduction baffle plate, by coordinating with forward and backward slide rail at the forward and backward roller of both sides upper inner assembling, is realized the movement of front and back; After wheel is packed up, forward and backward drag reduction baffle plate plays drag reduction effect in wheel being wrapped in by forward and backward roller and forward and backward slide rail arrival assigned address; Back shield intake chamber is arranged on rear drag reduction baffle plate.
This car body is the body construction of typically dwelling more, and Vehicular body front is streamline contour, and Vehicular body front upper surface radian is less, to reduce its frontal resistance, and forms good flow field; Windshield is equipped with in chaufeur front, prevents that spray is splashed into, and affects driver's seat; Vehicular body front below radian is larger, in order that can make headstock perk while travelling in beach or the water surface, and the resistance when reducing it and advancing; Rear vehicle has an inclined-plane in lower end, fall in a large young pathbreaker's hydraulic efficiency jet propulsion system of housing is wrapped in simultaneously.Car body supports the each several part parts such as operator's compartment, driving engine, change speed gear box, auxiliary gear box as skeleton.
This wheel is the raised-tread tire that can adapt to beach road surface, comprises tire, wheel hub, wheel disc in structure, and tire is fixed on wheel hub, and semiaxis is fixed on wheel disc by bolt and packing ring, and wheel disc is fixed on wheel hub by bolt of rear end plate and packing ring.In the time of road traveling, support and drive car load to advance, while travelling in water, packing up to reduce resistance.
This forward and backward drag reduction baffle plate is the structural principle of using for reference sliding door, entirety is U character form structure, two ends are connected with car body with slide rail by roller, beach travel and water in while travelling, when wheel is packed up, forward and backward drag reduction baffle plate slides to wheel below by slide rail, wheel is wrapped in interior to reduce resistance to motion.
This forward and backward slide rail is that there is arc ladder at the two ends of forward and backward guide rail as the tracks of connecting device and the forward and backward drag reduction baffle plate of forward and backward drag reduction baffle plate and car body, and object is can be fixed in the time that forward and backward drag reduction baffle plate arrives control position.
This forward and backward roller is forward and backward drag reduction baffle plate and slide rail attaching parts, rolls, thereby drive forward and backward drag reduction baffle plate to arrive control position when work in sliding-rail groove.
This forward and backward baffle plate handle is the operating control being fixed on forward and backward drag reduction baffle plate, in the time that forward and backward drag reduction baffle plate need to move, realizes by handling forward and backward baffle plate handle.
Principle of work of the present invention and operating mode brief introduction are as follows:
While travelling on road, two forward and backward drag reduction baffle plates are at car body middle part, and front drag reduction baffle plate is in rear drag reduction baffle plate outside, and two forward and backward drag reduction baffle plates are undertaken spacing by the local bending of forward and backward sliding-rail groove;
When beach travels, utilize the principle of sink-float convolution traveling gear to reduce resistance to motion, pack up by front-wheel, front drag reduction baffle plate arrives car body front end (utilize sliding-rail groove spacing fixing) by front slide rail and coordinates support complete vehicle weight with car body, and trailing wheel works on as drive wheel;
When waterborne travelling, front and back wheel is together packed up, and forward and backward baffle plate is slided to respectively to car body rear and front end by forward and backward slide rail and utilize sliding-rail groove spacing fixing, front and back wheel is wrapped in forward and backward baffle plate, reduce resistance to motion.
3, advantage of the present invention and effect are:
(1) mechanism principle is simple.Described drag reduction mechanism is that the principle of having used for reference sliding door designs, by sliding door change do be no matter material or in shape with the drag reduction baffle plate that can coordinate with car body, taking the theoretical analysis of the car resistance to motion of dwelling as basis, the position that need to change baffle plate according to operating mode has reached the object that can realize drag reduction under each operating mode more.
(2) simple in structure, easily realize.Described drag reduction mechanism is being furnished with on wheel jack basis, is installing slide rail, roller and baffle plate etc. additional, simple in structure, bring notable results.
(3) have a extensive future.Be equipped with wheeled cars of dwelling of described drag reduction mechanism more, in the time of design, can solve the problem that cannot simultaneously meet dynamic property and economy requirement, can meet enough large car load Design freedom, utilize sink-float built up structure principle to assemble the car of dwelling more and can be adapted to beach operating mode, on military and civilian, have huge application prospect.
[brief description of the drawings]
Fig. 1 is while travelling by land, and wheeled car body schematic diagrams of dwelling of drag reduction mechanism are housed more;
Fig. 2 is in the time that beach travels, and wheeled car body schematic diagrams of dwelling of drag reduction mechanism are housed more;
Fig. 3 is while travelling on the water, and wheeled car body schematic diagrams of dwelling of drag reduction mechanism are housed more;
Fig. 4 a is front drag reduction baffle plate upward view;
Fig. 4 b is rear drag reduction baffle plate upward view;
Fig. 4 c is forward and backward drag reduction baffle plate left view;
Fig. 5 is drag reduction guiding mechanism constructional drawing.
In figure, sequence number is described as follows:
Drag reduction baffle plate after drag reduction baffle plate 4-before 1-car body 2-wheel 3-
Slide rail 6-aft ramp 7-front wheel 8-rear roller before 5-
9-front apron handle 10-back shield handle 11-back shield intake chamber
[detailed description of the invention]
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail:
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 a-c, Fig. 5, wheeled Duo Qiche drag reduction of the present invention mechanism, comprises car body 1, wheel 2, front drag reduction baffle plate 3, rear drag reduction baffle plate 4, front slide rail 5, aft ramp 6, front wheel 7, rear roller 8, front apron handle 9, back shield handle 10 and back shield intake chamber 11.
The position relationship of each composition is that front slide rail 5 and aft ramp 6 are assemblied in car body 1 both sides of dwelling more, and front drag reduction baffle plate 3, rear drag reduction baffle plate 4, by coordinating with front slide rail 5 and aft ramp 6 at front wheel 7 and the rear roller 8 of the assembling of both sides upper inner, are realized the movement of front and back; After wheel 2 is packed up, forward and backward drag reduction baffle plate arrives in assigned address is wrapped in wheel 2 by front wheel 7 and rear roller 8 and front slide rail 5 and aft ramp 6, plays drag reduction effect.
Principle of work of the present invention and operating mode are as follows:
See Fig. 1, while travelling on road, front drag reduction baffle plate 3 and rear drag reduction baffle plate 4 are at car body 1 middle part, and front apron 3 is in back shield 4 outsides, and two baffle plates are undertaken spacing by the local bending of forward and backward slide rail;
See Fig. 2, when beach travels, utilize the principle of sink-float convolution traveling gear to reduce resistance to motion, pack up by front vehicle wheel 2, promotion front apron handle 9 arrives front drag reduction baffle plate 3 in car body 1 front end (before utilizing, sliding-rail groove is spacing fixing) by front slide rail 5 and coordinates with car body 1 and support complete vehicle weight, and rear wheel 2 works on as drive wheel;
See Fig. 3, when waterborne travelling, front and back wheel 2 is together packed up, promote forward and backward baffle plate handle 9 and 10, front drag reduction baffle plate 3 and rear drag reduction baffle plate 4 are slided to car body 1 rear and front end by front slide rail 5 and aft ramp 6 respectively and utilize sliding-rail groove spacing fixing, front and back wheel 2 is wrapped in baffle plate, reduce resistance to motion, waterjet propulsor sucks incoming flow as advancing current by back shield intake chamber 11, produces thrust power promotion car load and advances in water.
Claims (1)
1. a wheeled Duo Qiche drag reduction mechanism, is characterized in that: it comprises car body, wheel, forward and backward drag reduction baffle plate, forward and backward slide rail, forward and backward roller, forward and backward baffle plate handle and back shield intake chamber; Forward and backward slide rail is assemblied in car body both sides, and forward and backward drag reduction baffle plate, by coordinating with forward and backward slide rail at the forward and backward roller of both sides upper inner assembling, is realized the movement of front and back; After wheel is packed up, forward and backward drag reduction baffle plate plays drag reduction effect in wheel being wrapped in by forward and backward roller and forward and backward slide rail arrival assigned address; Back shield intake chamber is arranged on rear drag reduction baffle plate;
This car body is the body construction of dwelling more, and Vehicular body front is streamline contour, and Vehicular body front upper surface radian is less, to reduce its frontal resistance, and forms good flow field; Windshield is equipped with in chaufeur front, prevents that spray is splashed into, and affects driver's seat; Vehicular body front below radian is larger, in order that can make headstock perk while travelling in beach or the water surface, and the resistance when reducing it and advancing; Rear vehicle has an inclined-plane in lower end, fall in a large young pathbreaker's hydraulic efficiency jet propulsion system of housing is wrapped in simultaneously; Car body supports operator's compartment, driving engine, change speed gear box, auxiliary gear box each several part parts as skeleton;
This wheel is the raised-tread tire that can adapt to beach road surface, and its structure comprises tire, wheel hub, wheel disc, and tire is fixed on wheel hub, and semiaxis is fixed on wheel disc by bolt and packing ring, and wheel disc is fixed on wheel hub by bolt of rear end plate and packing ring; In the time of road traveling, support and drive car load to advance, while travelling in water, packing up to reduce resistance;
This forward and backward drag reduction baffle plate is the structural principle of using for reference sliding door, entirety is U character form structure, two ends are connected with car body with slide rail by roller, beach travel and water in while travelling, when wheel is packed up, forward and backward drag reduction baffle plate slides to wheel below by slide rail, wheel is wrapped in interior to reduce resistance to motion;
This forward and backward slide rail is that there is arc ladder at the two ends of forward and backward guide rail as the tracks of connecting device and the forward and backward drag reduction baffle plate of forward and backward drag reduction baffle plate and car body, and object is can be fixed in the time that forward and backward drag reduction baffle plate arrives control position;
This forward and backward roller is forward and backward drag reduction baffle plate and slide rail attaching parts, rolls, thereby drive forward and backward drag reduction baffle plate to arrive control position when work in sliding-rail groove;
This forward and backward baffle plate handle is the operating control being fixed on forward and backward drag reduction baffle plate, in the time that forward and backward drag reduction baffle plate need to move, realizes by handling forward and backward baffle plate handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410432120.9A CN104149564A (en) | 2014-08-28 | 2014-08-28 | Drag reduction mechanism for wheel type multipurpose vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410432120.9A CN104149564A (en) | 2014-08-28 | 2014-08-28 | Drag reduction mechanism for wheel type multipurpose vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104149564A true CN104149564A (en) | 2014-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410432120.9A Pending CN104149564A (en) | 2014-08-28 | 2014-08-28 | Drag reduction mechanism for wheel type multipurpose vehicle |
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| CN (1) | CN104149564A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112440635A (en) * | 2020-11-25 | 2021-03-05 | 江麓机电集团有限公司 | Amphibious wheel type water drag reduction device for vehicle |
| CN113022240A (en) * | 2021-03-10 | 2021-06-25 | 中国人民解放军国防科技大学 | Amphibious vehicle wheel groove drainage drag reduction and anti-rolling device and amphibious vehicle |
| CN114633592A (en) * | 2022-03-11 | 2022-06-17 | 重庆大江智防特种装备有限公司 | Amphibious wheeled armored vehicle head bottom water device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3280785A (en) * | 1965-03-01 | 1966-10-25 | George H Mycroft | Amphibious structure |
| US4958584A (en) * | 1987-12-02 | 1990-09-25 | Mpv, Inc. | Amphibious vehicle having an efficient water-borne operational mode |
| CN102112329A (en) * | 2008-06-10 | 2011-06-29 | 安托万·布吕吉杜 | Amphibious vehicle |
| CN103950359A (en) * | 2014-04-19 | 2014-07-30 | 青岛理工大学 | Rear wheel retracting and protecting mechanism for amphibious boat |
| CN203766424U (en) * | 2014-04-19 | 2014-08-13 | 青岛理工大学 | Retracting-protecting mechanism for rear vehicle wheels of amphibious ship |
-
2014
- 2014-08-28 CN CN201410432120.9A patent/CN104149564A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3280785A (en) * | 1965-03-01 | 1966-10-25 | George H Mycroft | Amphibious structure |
| US4958584A (en) * | 1987-12-02 | 1990-09-25 | Mpv, Inc. | Amphibious vehicle having an efficient water-borne operational mode |
| CN102112329A (en) * | 2008-06-10 | 2011-06-29 | 安托万·布吕吉杜 | Amphibious vehicle |
| CN103950359A (en) * | 2014-04-19 | 2014-07-30 | 青岛理工大学 | Rear wheel retracting and protecting mechanism for amphibious boat |
| CN203766424U (en) * | 2014-04-19 | 2014-08-13 | 青岛理工大学 | Retracting-protecting mechanism for rear vehicle wheels of amphibious ship |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112440635A (en) * | 2020-11-25 | 2021-03-05 | 江麓机电集团有限公司 | Amphibious wheel type water drag reduction device for vehicle |
| CN113022240A (en) * | 2021-03-10 | 2021-06-25 | 中国人民解放军国防科技大学 | Amphibious vehicle wheel groove drainage drag reduction and anti-rolling device and amphibious vehicle |
| CN114633592A (en) * | 2022-03-11 | 2022-06-17 | 重庆大江智防特种装备有限公司 | Amphibious wheeled armored vehicle head bottom water device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141119 |
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| RJ01 | Rejection of invention patent application after publication |