CN1241771C - Axle base adjustable car - Google Patents
Axle base adjustable car Download PDFInfo
- Publication number
- CN1241771C CN1241771C CN 03128161 CN03128161A CN1241771C CN 1241771 C CN1241771 C CN 1241771C CN 03128161 CN03128161 CN 03128161 CN 03128161 A CN03128161 A CN 03128161A CN 1241771 C CN1241771 C CN 1241771C
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- gear
- shaped frame
- groove
- bogie wheel
- nut seat
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Abstract
The present invention relates to a wheelbase adjustable automobile particularly suitable for large-sized and middle-sized passenger cars, trucks, large-sized cars, cross-country vehicles and racing cars. The wheelbase adjustable automobile comprises an automobile body, a power system, a running system and an operation system, wherein the running system is provided with a wheelbase adjusting device used for adjusting the distance between a front wheel shaft and a back wheel shaft. The wheelbase adjusting device comprises a groove-shaped frame which is also one part of an automobile crossbeam, a set of supporting wheels which can roll forwards and backwards in the groove-shaped frame, and a set of supporting posts connected with supporting shafts of the supporting wheels. The inner side face of the upper end of each supporting post is fixed with a nut seat which can make a half shaft move flatly along the horizontal direction through the supporting posts. The nut seat forms a screw thread transmission pair by a transmission nut and a lead screw, and one end of the lead screw is movably connected with the crossbeam and is positioned. Transmission shafts are connected by a gear in an engagement way through a main speed reducer, a differential gear integrating box, a universal joint, gear transmission shafts and the half shaft in a libratory box, and the libratory box and the nut seat are fixedly connected with each other. The performances of starting acceleration, slope climbing, cross running, balancing, braking, etc. of the automobile can be improved by the wheelbase adjustable automobile.
Description
Technical field
The present invention relates to the wheelbase adjustable automobile, is that a kind of wheelbase can belong to automobile technical field by the automobile of chaufeur active adjustment, is specially adapted to large and medium-sized passenger vehicle, lorry, full-size car and cross-country car, racing car.
Background technology
Present automotive research all is being devoted to car acceleration, is steadily being reached the raising of aspect performance such as cross-country.Yet present wheelbase fixed type automobile (removing four wheel drive) is subjected to the restriction of ground attaching coefficient and makes the power of driving engine can not get bringing into play fully when starting-up to speed, thereby has influenced the acceleration capability of starting low-speed stage.In addition, the off-road capability of wheelbase fixed type automobile, grade climbing performance (removing the four wheel drive type) and stationary performance also have the leeway of further lifting.In the prior art, have that a kind of patent No. is 87213743, name is called: changeable wheelbase formula automobile, the disclosed technical scheme of this patented technology relates to a kind of goods carrying vehicle, it is characterized in that automotive frame is made of interior cover beam and the overcoat beam that movable sleeve stacks, the end of overcoat beam is fixed with pressure drive cylinder seat, be fixed with jar support on the interior cover beam, the cylinder body of pressure drive cylinder is installed on the cylinder seat, one end of cylinder push rod is connected with piston, be sealed among the cylinder body, the other end of cylinder push rod is contained on the jar support.The pressure drive cylinder is released interior cover beam from the overcoat beam, thereby makes crossbeam elongated, changes wheelbase.Its shortcoming is: this scheme is to realize that by the length that changes automotive frame and compartment wheelbase changes, so the change amount is big, and adopts pressure drive cylinder formula load transfer device, so speed of response is slow, can not satisfy the instant requirement that changes of wheelbase; In addition, what this scheme related to is a kind of load-carrying lorry, and Applicable scope is also very narrow.
Summary of the invention
The objective of the invention is to overcome the shortcoming of prior art, a kind of wheelbase adjustable automobile that can improve starting acceleration performance, grade climbing performance, off-road capability, balance and the deceleration and stopping performance of automobile is provided.
Technical scheme of the present invention is: described wheelbase adjustable automobile, and it includes vehicle body, power system, running gear, operating system; In the described running gear: a wheelspan control apparatus that is used to regulate hind axle and front wheel spindle distance is arranged, it comprises a groove-shaped frame that is both an automotive frame part, one cover can be in groove-shaped frame the bogie wheel of scroll forward and backward, the bolster bonded assembly support column of one cover and bogie wheel, the last cross section of groove-shaped frame is inverted U-shaped, the U-shaped two side respectively has the slit hole one, the sidewall slit hole that the bolster of bogie wheel passes groove-shaped frame is connected on the two side of support column upper end, the upper end medial surface of support column connects an energy makes the nut seat of semiaxis along the translation of vehicle body fore-and-aft direction by support column, a screw thread transmission that is made of driving nut and screw mandrel is arranged in this nut seat, wherein an end of screw mandrel is connected with transmission gearbox, the other end and crossbeam flexibly connect and the location, and transmission gearbox input shaft and electrical motor connect; In the described power system: be divided into two behind transmission shaft process main reduction gear, the integrated case of diff, be connected with gearing shaft through a universal-joint respectively, this gearing shaft is by the internal gear of the case of vacillating and the gear mesh on the semiaxis, and the case of vacillating is connected on the nut seat.
Technique effect of the present invention is:
1, can change its maximum acceleration from rest by regulating axle load, and the change of axle load realizes by changing wheelbase.
2, improve the grade climbing performance of automobile.When climbing, increase the gradient of climbing by reducing wheelbase.
3, improve the steerability of automobile.Automobile will move behind the rear axle when running at high speed, and can increase the axle load of front axle, so improve the steerability of automobile.
4, improve the stationarity of automobile.In the cruising of automobile, trailing wheel is met big obstacle, at this moment, trailing wheel by a small margin after move and can obviously increase surge time, the vibration intensity of vehicle body is reduced.
5, meet muddy pitting and trailing wheel when skidding at automobile, have to just can cross the mud pit for general-utility car, and, then can pass through a motion trailing wheel for the maneuverable automobile of rear axle with the method for filling out hole or firmly go-cart, make vehicle body motionless, thus make trailing wheel " time " cross the mud pit and continue to move ahead.
6, trailing wheel moves forward when automobile brake, can reduce the possibility of rear lock, has also increased the stopping distance of trailing wheel, thereby can reduce the braking miles of relative movement of vehicle body.
Stability when 7, improving automobile downhill.The whole vehicle body vibration of the car that wheelbase is big is less, can improve its stability.
8, reduce the vibration intensity of automobile.Form the three-dimensional coordinate curved surface by the speed of a motor vehicle, wheelbase and three factors of vibration intensity, can reach the stability of taking preferably by the relation between adjusting shaft distance and speed.
Description of drawings
Fig. 1 moves the birds-eye view at the following position of crossbeam of automobile for rear axle shaft;
Fig. 2 is interior along the double part sectional view of facing of direction shown in the arrow for Fig. 1 frame of broken lines;
Fig. 3 is for being labeled as 10 parts detail drawing among Fig. 2;
Fig. 4 is half a fragmentary detail view of A-A cutaway view among Fig. 2;
Fig. 5 is a B-B cutaway view among Fig. 1;
Fig. 6 for the structure I that is labeled as 14 parts and the inner case 16 of vacillating among Fig. 1 to the front elevation part sectional view of holding concurrently;
Fig. 7 is for being labeled as 14 the parts and the structure vertical view cutaway drawing of the inner case 16 of vacillating among Fig. 1;
Fig. 8 is an automobile integral structure scheme drawing.
Among Fig. 1-Fig. 8: the 1-front-wheel; The 2-trailing wheel; The 3-transmission shaft; The 4-electrical motor; The 5-transmission gearbox; The 6-groove-shaped frame; The 7-nut seat; The 8-screw mandrel; The 9-bogie wheel; The 10-nut; The 11-buffer spring; The 12-support column; The 13-semiaxis; 14-slot type cover; The 15-gearing shaft; The 16-case of vacillating; The 17-brake wheel; 18-main reduction gear, the integrated case of diff; The 19-motor shaft; The 20-crossbeam; The 21-bolster; The 22-case in-to-in gear of vacillating; The 23-gear; 23 '-gear; 24-slit hole; The 25-vehicle body; The 26-power system; The 27-running gear; The 28-maneuvering system; The 29-front wheel spindle; The 30-hind axle.
The specific embodiment
It is as follows that the invention will be further described in conjunction with the accompanying drawings and embodiments:
Be a kind of embodiment of wheelbase adjustable automobile shown in Fig. 1-7, it has a vehicle body 25, power system 26, and running gear 27, operating system 28 also has Lighting System; A wheelspan control apparatus that is used to regulate hind axle 30 and the distance of front wheel spindle 29 is arranged in the described running gear, this wheelspan control apparatus has a groove-shaped frame 6 that is both an automotive frame part, one cover can be in groove-shaped frame 6 bogie wheel 9 of scroll forward and backward, on a left side, the bogie wheel 9 that two scroll forward and backwards are arranged respectively in the right groove-shaped frame 6, (generally left for heavy-duty vehicle, right truss can have plural bogie wheel respectively), the bolster 21 bonded assembly support columns 12 of one cover and bogie wheel 9, a described cover is a left side, right truss is connected with a support column respectively, (generally left for heavy-duty vehicle, right truss can have a plurality of support columns respectively), the last cross section of groove-shaped frame 6 is inverted U-shaped, the U-shaped two side respectively has slit hole 24 one, and the sidewall slit hole 24 that the bolster 21 of bogie wheel 9 passes groove-shaped frame 6 is movably connected on the two side of support column 12 upper ends by bearing; Energy of upper end medial surface captive joint of support column 12 makes the nut seat 7 of semiaxis 13 along the translation of vehicle body fore-and-aft direction by support column 12, a screw thread transmission that is made of driving nut 10 and screw mandrel 8 is arranged in this nut seat 7, wherein an end of screw mandrel 8 is connected with transmission gearbox 5, the other end and crossbeam 20 flexibly connect and the location by bearing seat, and transmission gearbox 5 input shafts are connected with electrical motor 4; In the described power system: be divided into two behind transmission shaft 3 process main reduction gears, the integrated case 18 of diff, be connected with gearing shaft 15 through a universal-joint respectively, this gearing shaft 15 is by the internal gear 22 and 23 engagements of the gear on the semiaxis 13 of the case 16 of vacillating, the case 16 of vacillating is fixedly connected on the nut seat 7, with nut seat 7 front and back translation synchronously;
Groove-shaped frame 6 is positioned at the rear portion of crossbeam 20, and the one slit hole 24 that respectively has on its two side is the flat strip hole; Bogie wheel 9 is wheels that outside face is wrapped with high strength elastic rubber;
The bolster 21 of bogie wheel 9 is demountable captive joint with being connected of the upper end of support column 12, in the bogie wheel 9 bearing is installed, this is a kind of embodiment, also have preferred embodiment to be: the bolster 21 of bogie wheel 9 is to connect by bearing with being connected of the upper end of support column 12, and bogie wheel 9 is captiveed joint with bolster 21;
For adapting to the needs of different automobile types, at least respectively there is one with the bolster 21 bonded assembly support columns 12 in the left and right groove-shaped frame 6, the bogie wheel 9 of scroll forward and backward at least respectively has one in left and right groove-shaped frame 6, a plurality of support columns and a plurality of bogie wheel are in order to adapt to the needs of heavy-duty vehicle, among the embodiment of above-mentioned accompanying drawing, have one with the bolster 21 bonded assembly support columns 12 in the left and right groove-shaped frame 6, the bogie wheel of scroll forward and backward respectively has two in left and right groove-shaped frame 6;
For reduce adjusting shaft apart from the time impulsive force, the buffer spring 11 that can make driving nut 10 transmit the buffer action power to nut seat 7 is arranged in the nut seat 7;
For protection gearing shaft 15 and the case 16 of vacillating are not subjected to contamination by dust and guarantee safe handling, crossbeam 20 and arranged on left and right sides below respectively connects a slot type cover 14, the slit that its inside and outside both sides respectively have one semiaxis 13 to pass through;
Vacillating has a turning cylinder of vertically installing in the case 16, is with a gear 22 and a gear 23 ' on it, this gear 22 and gearing shaft 15 engagements, and this gear 23 ' meshes for bevel gear with the gear 23 that is enclosed within on the semiaxis; Case 16 and the nut seat 7 of vacillating captiveed joint for demountable, can also be welding or is an integrated member;
Described electrical motor 4 is electrical motors that positive and negative two directions of energy are rotated, so that realize electronic control, adjusting knurl distance.
Claims (10)
1, a kind of wheelbase adjustable automobile, it includes vehicle body (25), power system (26), running gear (27), operating system (28); A wheelspan control apparatus that is used to regulate hind axle (30) and the distance of front wheel spindle (29) is arranged in the described running gear, and it comprises a groove-shaped frame (6) that is both automotive frame (a 20) part; It is characterized in that, in the running gear: have a cover can be in groove-shaped frame (6) bogie wheel (9) of scroll forward and backward, bolster (21) the bonded assembly support column (12) of one cover and bogie wheel (9), the last cross section of groove-shaped frame (6) is inverted U-shaped, respectively there is one slit hole (24) the U-shaped two side, the sidewall slit hole (24) that the bolster (21) of bogie wheel (9) passes groove-shaped frame (6) is connected on the two side of support column (12) upper end, the upper end medial surface of support column (12) connects one can make the nut seat (7) of semiaxis (13) along the translation of vehicle body fore-and-aft direction by support column (12), a screw thread transmission that is made of driving nut (10) and screw mandrel (8) is arranged in this nut seat (7), wherein an end of screw mandrel (8) is connected with transmission gearbox (5), the other end and crossbeam (20) flexibly connect and the location, and transmission gearbox (5) input shaft is connected with electrical motor (4); During described dynamical system is moving: be divided into two behind transmission shaft (3) process main reduction gear, the integrated case of diff (18), be connected with gearing shaft (15) through a universal-joint respectively, this gearing shaft (15) is by the internal gear and the engagement of the gear (23) on the semiaxis (13) of the case of vacillating (16), and the case of vacillating (16) is connected on the nut seat (7).
2, want 1 described automobile according to right, it is characterized in that, described groove-shaped frame (6) is positioned at the rear portion of crossbeam (20), and the one slit hole (24) that respectively has on its two side is the flat strip hole; Described bogie wheel (9) is the wheel that outside face is wrapped with high strength elastic rubber.
3, want 1 described automobile according to right, it is characterized in that, the bolster (21) of described bogie wheel (9) is demountable captive joint with being connected of the upper end of support column (12), and bogie wheel is equipped with bearing in (9).
4, want 1 described automobile according to right, it is characterized in that, the bolster (21) of described bogie wheel (9) is to connect by bearing with being connected of the upper end of support column (12), and bogie wheel (9) is captiveed joint with bolster (21).
5, want 1 described automobile according to right, it is characterized in that, at least respectively have one with bolster (21) bonded assembly support column (12) in the left and right groove-shaped frame (6); The bogie wheel (9) of scroll forward and backward at least respectively has one in left and right groove-shaped frame (6).
6, want 1 described automobile according to right, it is characterized in that, respectively have one with bolster (21) bonded assembly support column (12) in the left and right groove-shaped frame (6); The bogie wheel of scroll forward and backward respectively has two in left and right groove-shaped frame (6).
7, want 1 described automobile according to right, it is characterized in that, the buffer spring (11) that can make driving nut (10) transmit buffer action power to nut seat (7) is arranged in the nut seat (7).
8, automobile according to claim 1 is characterized in that, respectively connects a slot type cover (14) that plays protective action in crossbeam (20) and arranged on left and right sides below, the slit that its inside and outside both sides respectively have one semiaxis (13) to pass through.
9, automobile according to claim 1, it is characterized in that, one turning cylinder of vertically installing is arranged in the described case of vacillating (16), be with a gear (22) and a gear (23 ') on it, this gear (22) and gearing shaft (15) engagement, this gear (23 ') is the bevel gear engagement with the gear (23) that is enclosed within on the semiaxis; The case (16) of vacillating is captiveed joint for demountable with nut seat (7).
10, automobile according to claim 1 is characterized in that, described electrical motor (4) is the electrical motor that positive and negative two directions of energy are rotated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03128161 CN1241771C (en) | 2003-06-17 | 2003-06-17 | Axle base adjustable car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03128161 CN1241771C (en) | 2003-06-17 | 2003-06-17 | Axle base adjustable car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1460613A CN1460613A (en) | 2003-12-10 |
| CN1241771C true CN1241771C (en) | 2006-02-15 |
Family
ID=29591134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03128161 Expired - Fee Related CN1241771C (en) | 2003-06-17 | 2003-06-17 | Axle base adjustable car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1241771C (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100361858C (en) * | 2005-06-07 | 2008-01-16 | 武汉大学 | Axle-distance adjustable automobiles |
| US8393429B2 (en) * | 2009-11-06 | 2013-03-12 | Caterpillar Inc. | Variable wheelbase motor grader |
| EP2388153B1 (en) * | 2010-05-17 | 2012-08-22 | Jaxa Networks | A vehicle having variable track |
| CN102607793B (en) * | 2012-04-13 | 2014-06-25 | 湖南大学 | Adjustable-type trolley for impact test |
| CN104442249A (en) * | 2014-12-08 | 2015-03-25 | 陈焕祥 | Wheel support frame for aerated concrete swap vehicle |
| CN107009893B (en) * | 2017-04-14 | 2019-07-26 | 浙江农业商贸职业学院 | The axial length means of active gulation of truck drive shaft |
| CN107662664B (en) * | 2017-09-08 | 2019-10-01 | 中国人民解放军国防科技大学 | Multi-wheel type mobile platform |
| CN107662665B (en) * | 2017-09-08 | 2019-10-01 | 中国人民解放军国防科技大学 | Wheel base-variable multi-wheel type mobile platform |
| CN107640153B (en) * | 2017-09-21 | 2020-09-25 | 北京小米移动软件有限公司 | Mini-type sports car and control method, device and storage medium thereof |
| CN108556918B (en) * | 2018-06-29 | 2024-02-13 | 广州铁路职业技术学院（广州铁路机械学校） | Wheelbase adjustable process bogie |
| CN112826675A (en) * | 2021-01-04 | 2021-05-25 | 衢州职业技术学院 | Obstacle-crossing electric wheelchair |
-
2003
- 2003-06-17 CN CN 03128161 patent/CN1241771C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1460613A (en) | 2003-12-10 |
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