CN103661711B - The motor-tricycle of engine behind front wheel - Google Patents
The motor-tricycle of engine behind front wheel Download PDFInfo
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- CN103661711B CN103661711B CN201310689365.5A CN201310689365A CN103661711B CN 103661711 B CN103661711 B CN 103661711B CN 201310689365 A CN201310689365 A CN 201310689365A CN 103661711 B CN103661711 B CN 103661711B
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Abstract
The invention discloses a kind of motor-tricycle of engine behind front wheel, comprise vehicle frame, driving engine, driving system and wheel, driving engine is installed on vehicle frame foremost near vehicle frame; The present invention adopts the structure of being arranged near vehicle frame front end by driving engine, do not increase vehicle frame so that complete vehicle weight and do not change vehicle basic structure prerequisite under, rearrange the installation site of driving engine, vehicle counterweight realizes good balance quality, ensure stability and the safety of vehicle; Meanwhile, forward layout makes air current flow first through driving engine, is beneficial to engine radiating, ensures its normal operation.
Description
Technical field
The present invention relates to a kind of three-wheel vehicle parts, particularly a kind of motor-tricycle of engine behind front wheel.
Background technology
Motor-tricycle is a kind of dilly of light and flexible, more for loading.General employing driving engine is propulsion source, and vehicle frame is the main load bearing component of vehicle, and its intensity and fatigue life are concerning most important vehicle.The small portable vehicle bearing certain load is needed for three-wheel vehicle etc., needs the portability and the intensity that consider vehicle frame.Existing motor-tricycle generally comprises head tube, front left side bar, front right side bar, main beam, rear left side bar and rear right side bar, and head tube, front left side bar, front right side bar, main beam, rear left side bar and rear right side bar are mutually permanently connected formation unitized frame; Due to existing motor-tricycle in order to use time bear corresponding load, and need have lighter structure, therefore, need be optimized design to the structure of motor-tricycle, to reach light, intensity is high and be easy to arrange other equipment on vehicle; And vehicle frame of the prior art is owing to considering the reason of intensity and facility location, driving engine installation position is positioned at bottom, seat, car load is unfavorable for engine radiating after installing, simultaneously, the vehicle frame integral arrangement that above-mentioned beam is formed cannot ensure the intensity of vehicle frame, be easy to bulk deformation occurs or ride larger; The layout orientation of driving engine is also unfavorable for car load counterweight, affects riding stability and the safety of vehicle.
Therefore, need to improve the structure of vehicle frame, do not increase vehicle frame so that complete vehicle weight and do not change vehicle basic structure prerequisite under, rearrange the installation site of driving engine, ensure stability and the safety of vehicle, be beneficial to engine radiating, ensure its normal operation.
Summary of the invention
In view of this, the invention provides a kind of motor-tricycle of engine behind front wheel, do not increase vehicle frame so that complete vehicle weight and do not change vehicle basic structure prerequisite under, rearrange the installation site of driving engine, ensure stability and the safety of vehicle, be beneficial to engine radiating, ensure its normal operation.
The motor-tricycle of engine behind front wheel of the present invention, comprises vehicle frame, driving engine, driving system and wheel, and described driving engine is installed on vehicle frame foremost near vehicle frame.
Further, head tube, front vehicle frame, main beam and Rear frame that comprising is mutually permanently connected forms vehicle frame, described front vehicle frame and Rear frame connect into entirety by main beam, described front vehicle frame comprises left front side beam, right front side bar and front end and is fixedly connected on the girder that head tube rear end is fixedly connected on main beam, and described girder is lower curved camber beam structure; Adopt camber beam structure to be conducive to the layout of other equipment, in the present invention, the mode being fixedly connected with and being fixedly installed generally adopts welding, certainly, also can adopt the mode that assembling is fixing; Vehicle frame can be provided with the position of various installation appurtenances and equipment, such as storage battery, high-tension coil, brake, gearshift etc. support zone, does not repeat them here; Girder and main beam is adopted to be main load bearing component, in conjunction with the structure of side bar and crossbeam, and form camber beam structure, improve the force-bearing situation of vehicle frame, do not increasing vehicle frame down under the prerequisite of complete vehicle weight, rational deployment's vehicle frame load bearing component, makes each beam and pipe fitting cooperative bearing, can ensure the bulk strength increasing vehicle frame, thus ensure stability and the safety of vehicle, change the installation site of the equipment such as driving engine, convenient heat radiation, ensures its normal operation.
Further, the front vehicle frame front cross rail that described front vehicle frame also comprises forward setting and the front vehicle frame after cross member arranged rearward, described left front side beam and right front side bar are fixedly connected to form rectangular configuration by front vehicle frame front cross rail and front vehicle frame after cross member, and this rectangular configuration is positioned at girder bottom; Rectangular configuration is beneficial to and keeps the stability of car load, and is beneficial to and arranges other equipment, the front frame structure intensity formed together with girder and stability higher; Described girder extends horizontally to main beam by after sinking and bending after forward direction, forms driving engine installing space between girder leading portion and rectangular configuration; Driving engine is arranged on forward position, and when vehicle travels, fanning effect is good, is thus beneficial to heat radiation; Further, driving engine is also beneficial to the stability improving car load after installing, auxiliary increase frame strength; Meanwhile, the part by weight of rational deployment's car load, is beneficial to the riding stability of car load.
Further, described driving engine is installed on vehicle frame by engine holding frame, and engine holding frame comprises bracket main body and for bracket main body being put the cradle coupler being installed on vehicle frame, described bracket main body hangs in the mode of vibration damping and is connected to cradle coupler; Adopt the structure of cradle coupler, carrier structure is not limited by body frame structure for automotive, thus simplifies and reduce carrier structure, after driving engine is installed, there is good effectiveness in vibration suppression, save installing space; Owing to adopting middleware, bracket is installed there is good commonality, assembling and commodity, increase the car load ground Clearance, improve car load crossing ability.
Further, described Rear frame comprises and is fixedly connected with main beam and the left back side bar extended back and right back side bar, between described left back side bar and right back side bar, forward being fixedly connected with is provided with Rear frame front cross rail, be fixedly connected with rearward and be provided with Rear frame after cross member, Rear frame front cross rail is provided with the second girder with being fixedly connected with between main beam; Effectively can improve the Joint strenght between front vehicle frame and Rear frame, the impact load of all directions can be resisted, and there is higher load-carrying ability.
Further, described second girder runs through main beam backward by girder and is formed; Girder and the second girder integrally formed, simple and compact for structure, there is good globality, improve load-carrying capacity further, improve the intensity of car load vehicle frame, and simplified processing process; Girder runs through in the structure of main beam, and main beam need have corresponding through hole, and integral with Main Girder Welding; Be inclined upwardly after left front side beam and right front side bar all extend rearward beyond main beam and be fixedly connected on Rear frame front cross rail, can extend the intensity be fixedly connected with, cooperative bearing successful, improves intensity further, and improves the ability to bear of longitudinal loading; Left front side beam erects stay tube by the left side vertically arranged and is fixedly connected on main beam, and right front side bar erects stay tube by the right side vertically arranged and is fixedly connected on main beam; Form comparatively stable support, jointly improve the ability of bearing vertical load and longitudinal loading with the rearward extension of left front side beam and right front side bar.
Further, head tube is supported in front vehicle frame front cross rail by the head tube left support pipe and head tube right support pipe also relatively forming arch to downward-extension, as shown in the figure, head tube left support pipe and head tube right support pipe and girder are respectively equipped with the attaching parts for installing driving engine, for stable installation driving engine, and between head tube left support pipe and head tube right support pipe, fanning effect is good, is beneficial to engine radiating; Described girder, left front side beam, right front side bar, front vehicle frame front cross rail, front vehicle frame after cross member, left perpendicular stay tube, right perpendicular stay tube and main beam form space frame structure jointly; Space frame structure is formed by regular rectangular configuration, and played by girder and better strengthen fixation, there is good stressed trade-off effect, can suitably reduce caliber or lateral dimension, effectively can reduce car load vehicle frame weight, realize object that is light and load-carrying raising; Described bracket main body comprises left longeron and right vertical beam, and between described left longeron and right vertical beam, forward being fixedly connected with is provided with front cross rail, is fixedly connected with rearward and is provided with after cross member, and described left longeron and right vertical beam are connected to cradle coupler respectively by shock-reducing rubber grip assembly; The mode be fixedly connected with can adopt welding to wait the mechanically general mode that is fixedly connected with, and left longeron, right vertical beam, front cross rail and after cross member form complete carrier structure jointly, and globality and intensity are all better, have good comformability to the installation of driving engine; Bracket main body also comprises four shock-reducing rubber grip assemblies, four shock-reducing rubber grip assembly correspondences are installed on the two ends of left longeron and the two ends of right vertical beam, described cradle coupler is forward and the rear connecting panel of horizontally set, left longeron rear end and right vertical beam rear end are connected to rear connecting panel respectively by the shock-reducing rubber grip assembly of correspondence, and girder is provided with the rear connection journal stirrup for connecting rear connecting panel; Described head tube left support pipe and head tube right support pipe are connected journal stirrup before being provided with and being connected left longeron front end and the shock-reducing rubber grip assembly of right vertical beam front end for correspondence.
Further, be fixed with the left brace panel of head tube longitudinally on the left of head tube, right side is fixed with the right brace panel of head tube longitudinally, and described head tube left support pipe is fixedly connected with head tube by the left brace panel of head tube with the right brace panel of head tube with head tube right support pipe correspondence; Correct pipe has stiffening effect, strengthens the load ability of head tube itself, and facilitates being welded to connect of head tube left support pipe and head tube right support pipe, ease of assembly; Connect journal stirrup before connecting panel before described head tube left support pipe and head tube right support pipe are provided with and are connected for correspondence, girder is provided with the rear connection journal stirrup for connecting rear connecting panel; Described shock-reducing rubber grip assembly comprises vibration damping axle, vibration damping gum cover and vibration damping axle sleeve, and described vibration damping axle sleeve is coated at vibration damping axle by vibration damping gum cover, simple, easy for installation with spring damping structure compared, and effectiveness in vibration suppression is better, and cost of manufacture is lower.
Further, described left front side beam is just fixed with left reinforced pipe to extending left up and down with main beam, described left reinforced pipe is provided with the second left perpendicular stay tube with being fixedly connected with between main beam; Right front side bar is just fixed with right reinforced pipe to extending to the right up and down with main beam, and described right reinforced pipe is provided with the second right perpendicular stay tube with being fixedly connected with between main beam; Left reinforced pipe and right reinforced pipe and together form Partial frame supporting construction between the second left perpendicular stay tube and the second right perpendicular stay tube, improve the stability of main beam further, thus ensure the stability of car load vehicle frame further; The left brace panel of described head tube be arranged in parallel with the right brace panel of head tube and is all fixedly connected with girder, be positioned at the left brace panel of head tube and head tube right brace panel bottom and be also provided with the head tube lower reinforcing plate that brace panel left with head tube be all fixedly connected with the right brace panel of head tube, the left brace panel of head tube, girder, head tube, the right brace panel of head tube and head tube lower reinforcing plate are mutually permanently connected and jointly form box structure, cooperative bearing also carries, and ensure that overall compactedness and harmony; Described front cross rail is fixed with hanger before downward driving engine, after cross member is fixed with hanger after downward driving engine; Before driving engine, the other freeing pipe that is also provided with of hanger installs hanger, facilitates the installation of driving engine; Before driving engine, the other freeing pipe that is also provided with of hanger installs hanger, is beneficial to the layout of the exhaust pipe of engine, compound with regular structure and aesthetic appearance is good; Be fixed with left-hand tread plate assembly on the left of described left front side beam, left-hand tread plate assembly comprises left-hand tread plate and the left-hand tread plate support for supporting left-hand tread plate, and be fixedly connected with left front side beam on the right side of described left-hand tread plate support, rear end is fixedly connected on left reinforced pipe; Be fixed with right-hand tread plate assembly on the right side of described right front side bar, right-hand tread plate assembly comprises right-hand tread plate and the right-hand tread plate support for supports right pedal, and be fixedly connected with right front side bar on the left of described right-hand tread plate support, rear end is fixedly connected on right reinforced pipe; Left reinforced pipe and there is between right reinforced pipe and corresponding pedal assembly the ability of mutually coordinating to bear external force, and ensure the stability of pedal; Before described driving engine, hanger is by being connected to front cross rail by front cross rail to hanger support beam before downward-extension, is adapted to the installation site of driving engine, and bracket mount can be made simple, and size is little, installs comparatively firm; Described left longeron, right vertical beam, front cross rail and after cross member are rectangular pipe fittings, and sheet metal component is little and lack, and reduce die cost and drop into, and reduce the car load vibration that driving engine causes, improve car load traveling comfort; Described left longeron, right vertical beam, front cross rail and after cross member are rectangular pipe fittings; The U-shaped structure that before described driving engine, after hanger and driving engine, hanger is all one of the forming, before driving engine, the base plate of the U-shaped structure of hanger is fixedly connected on front hanger support beam, after driving engine, the base plate of the U-shaped structure of hanger is fixedly connected on after cross member, the structure of one improves bracket bulk strength, and facilitates the welding of hanger; Before driving engine the U-shaped structure of hanger two wallboards between be fixedly connected with and be provided with brace panel I, the brace panel II that front hanger support beam is all fixedly connected with front hanger support beam and front cross rail with the junction of front cross rail; As shown in the figure, brace panel II is triangular structure, and wherein and front cross beam welding, a drift angle is welded in front hanger support beam, Stability Analysis of Structures, and vibration-isolating effect is good; The setting of brace panel I and brace panel II, compensate for the problem of the anterior installation strength of the less driving engine caused of front hanger support beam lateral dimension.
Further, described cradle coupler comprises the front connecting panel of horizontally set and rear connecting panel, and four shock-reducing rubber grip assemblies are installed corresponding to the two ends of left longeron and the two ends of right vertical beam and left longeron and right vertical beam are connected to front connecting panel and rear connecting panel formation rectangular frame structure; Rectangular configuration makes front connecting panel and rear connecting panel and forms stable connection structure between left longeron and right vertical beam, has and mutually coordinates stressed effect; Front connecting panel is provided with the position for being connected with vehicle frame with rear connecting panel, does not repeat them here; Connect journal stirrup before connecting panel before described head tube left support pipe and head tube right support pipe are provided with and are connected for correspondence, girder is provided with the rear connection journal stirrup for connecting rear connecting panel; Described shock-reducing rubber grip assembly comprises vibration damping axle, vibration damping gum cover and vibration damping axle sleeve, and described vibration damping axle sleeve is coated at vibration damping axle by vibration damping gum cover; The vibration damping axle correspondence of four shock-reducing rubber grip assemblies is installed on front connecting panel and rear connecting panel, and the vibration damping axle sleeve correspondence of four shock-reducing rubber grip assemblies is fixedly connected on the two ends of left longeron and the two ends of right vertical beam; Vibration damping axle is connected on hanger that front connecting panel and rear connecting panel are arranged, can make normal-running fit, to offset the external force of circumferencial direction, ensures the service life of vibration damping gum cover; The vibration damping axle sleeve correspondence of four shock-reducing rubber grip assemblies is fixedly connected on the two ends of left longeron and the two ends of right vertical beam; Vibration damping axle sleeve may correspond to and is welded in the two ends of left longeron and the two ends of right vertical beam.
Beneficial effect of the present invention: the motor-tricycle of engine behind front wheel of the present invention, adopt the structure of being arranged near vehicle frame front end by driving engine, do not increase vehicle frame so that complete vehicle weight and do not change vehicle basic structure prerequisite under, rearrange the installation site of driving engine, vehicle counterweight realizes good balance quality, ensures stability and the safety of vehicle; Meanwhile, forward layout makes air current flow first through driving engine, is beneficial to engine radiating, ensures its normal operation.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is structural representation of the present invention;
Fig. 2 is body frame structure for automotive figure;
Fig. 3 is pedal assembly structural representation;
Fig. 4 is that Fig. 2 is along A to partial view;
Fig. 5 is engine holding frame structural representation;
Fig. 6 is the another kind of structural representation of engine holding frame.
Detailed description of the invention
Fig. 1 is structural representation of the present invention, Fig. 2 is body frame structure for automotive figure Fig. 3 is pedal assembly structural representation, Fig. 4 is that Fig. 2 is along A to partial view, Fig. 5 is engine holding frame structural representation, as shown in the figure: the motor-tricycle of the engine behind front wheel of the present embodiment, draw together vehicle frame a, driving engine b, driving system c and wheel d, described driving engine b is installed on vehicle frame foremost near vehicle frame a; Mounting means can adopt existing engine holding frame to install.
In the present embodiment, vehicle frame comprises the head tube 3, front vehicle frame, main beam 14 and the Rear frame that are mutually permanently connected and form vehicle frame, described front vehicle frame and Rear frame connect into entirety by main beam 14, described front vehicle frame comprises left front side beam 2a, right front side bar 2 and front end and is fixedly connected on the girder 1 that head tube 3 rear end is fixedly connected on main beam 14, and described girder 1 is in lower curved camber beam structure; Adopt camber beam structure to be conducive to the layout of other equipment, in the present invention, the mode being fixedly connected with and being fixedly installed generally adopts welding, certainly, also can adopt the mode that assembling is fixing; Vehicle frame can be provided with the position of various installation appurtenances and equipment, such as storage battery, high-tension coil fabricated section 15, brake, gearshift parts and cover panel journal stirrup etc. support zone, do not repeat them here.
In the present embodiment, the front vehicle frame front cross rail 8 that described front vehicle frame also comprises forward setting and the front vehicle frame after cross member 9 arranged rearward, described left front side beam 2a and right front side bar 2 are fixedly connected to form rectangular configuration by front vehicle frame front cross rail 8 and front vehicle frame after cross member 9, and this rectangular configuration is positioned at girder 1 bottom; Rectangular configuration is beneficial to and keeps the stability of car load, and is beneficial to and arranges other equipment, the front frame structure intensity formed together with girder and stability higher.
In the present embodiment, described girder 1, by extending horizontally to main beam 14 after sinking and bending after forward direction, forms driving engine installing space between girder 1 leading portion and rectangular configuration; Driving engine is arranged on forward position, and when vehicle travels, fanning effect is good, is thus beneficial to heat radiation; Further, driving engine is also beneficial to the stability improving car load after installing, auxiliary increase frame strength; Meanwhile, the part by weight of rational deployment's car load, is beneficial to the riding stability of car load; Described driving engine is installed on vehicle frame by engine holding frame e, and engine holding frame comprises bracket main body and for bracket main body being put the cradle coupler being installed on vehicle frame, described bracket main body hangs in the mode of vibration damping and is connected to cradle coupler; Adopt the structure of cradle coupler, carrier structure is not limited by body frame structure for automotive, thus simplifies and reduce carrier structure, after driving engine is installed, there is good effectiveness in vibration suppression, save installing space; Owing to adopting middleware, bracket is installed there is good commonality, assembling and commodity, increase the car load ground Clearance, improve car load crossing ability.
In the present embodiment, described Rear frame comprises and is fixedly connected with main beam 14 and the left back side bar 11a extended back and right back side bar 11, between described left back side bar 11a and right back side bar 11, forward being fixedly connected with is provided with Rear frame front cross rail 12, be fixedly connected with rearward and be provided with Rear frame after cross member 10, be fixedly connected with between Rear frame front cross rail 12 with main beam 14 and be provided with the second girder 13; Effectively can improve the Joint strenght between front vehicle frame and Rear frame, the impact load of all directions can be resisted, and there is higher load-carrying ability.
In the present embodiment, described bracket main body comprises left longeron 20 and right vertical beam 27, between described left longeron 20 and right vertical beam 27, forward being fixedly connected with is provided with front cross rail 34, be fixedly connected with rearward and be provided with after cross member 31, described left longeron 20 and right vertical beam 27 are connected to cradle coupler respectively by shock-reducing rubber grip assembly; The mode be fixedly connected with can adopt welding to wait the mechanically general mode that is fixedly connected with, left longeron 20, right vertical beam 27, front cross rail 34 and after cross member 21 carrier structure that composition is complete jointly, globality and intensity are all better, have good comformability to the installation of driving engine.
In the present embodiment, described second girder 13 runs through main beam 14 backward by girder 1 and is formed; Girder 1 and the second girder 13 integrally formed, simple and compact for structure, there is good globality, improve load-carrying capacity further, improve the intensity of car load vehicle frame, and simplified processing process; Girder runs through in the structure of main beam, and main beam need have corresponding through hole, and integral with Main Girder Welding.
In the present embodiment, comprise four shock-reducing rubber grip assemblies, four shock-reducing rubber grip assembly correspondences are installed on the two ends of left longeron 20 and the two ends of right vertical beam 27, described cradle coupler is forward and the rear connecting panel 32 of horizontally set, left longeron 20 rear end and right vertical beam 27 rear end are connected to rear connecting panel 32 respectively by the shock-reducing rubber grip assembly of correspondence, connecting panel 32 structure after adopting, flexible structure is practical; Back segment directly adopts shock-reducing rubber grip assembly to connect, and makes connection compact further; As shown in the figure, front connecting panel 25 adopts steel angle structure, can bear larger moment of flexure; Girder 1 is provided with the rear connection journal stirrup 18 for connecting rear connecting panel, and rear connecting panel 32 is provided with for being connected connecting bore that journal stirrup 18 connects with rear and connected by rear connecting panel 32 by bolt; Described head tube left support pipe 6a and head tube right support pipe 6 are connected journal stirrup 36 before being provided with and being connected left longeron 20 front end and the shock-reducing rubber grip assembly of right vertical beam 27 front end for correspondence.
In the present embodiment, described shock-reducing rubber grip assembly comprises vibration damping axle 23, vibration damping gum cover 22 and vibration damping axle sleeve 24, and described vibration damping axle sleeve 24 is coated at vibration damping axle 23 by vibration damping gum cover 22, in this structure, damping gum cover 3 and elastic axis 3 and and damping axle sleeve 6 between; Simple, easy for installation with spring damping structure compared, effectiveness in vibration suppression is better, and cost of manufacture is lower.As shown in the figure, the vibration damping axle sleeve 24 of four shock-reducing rubber grip assemblies may correspond to and is welded in the two ends of left longeron 20 and the two ends of right vertical beam 27, vibration damping axle 23 correspondence connects journal stirrup 36 before being installed on rear connecting panel 32 or two, as shown in the figure, vibration damping axle 23 is connected on the hanger 26 of setting on rear connecting panel 32, can normal-running fit be made, to offset the external force of circumferencial direction, ensure the service life of vibration damping gum cover.
In the present embodiment, be inclined upwardly after left front side beam 2a and right front side bar 2 all extend rearward beyond main beam 14 and be fixedly connected on Rear frame front cross rail 12, the intensity be fixedly connected with can be extended, cooperative bearing successful, further raising intensity, and improve the ability to bear of longitudinal loading; Left front side beam 2a erects stay tube 16a by the left side vertically arranged and is fixedly connected on main beam 14, and right front side bar 2 erects stay tube 16 by the right side vertically arranged and is fixedly connected on main beam 14; Form comparatively stable support, jointly improve the ability of bearing vertical load and longitudinal loading with the rearward extension of left front side beam 2a and right front side bar 2.
In the present embodiment, head tube 3 is supported in front vehicle frame front cross rail 8 by the head tube left support pipe 6a and head tube right support pipe 6 also relatively forming arch to downward-extension, as shown in the figure, head tube left support pipe 6a and attaching parts head tube right support pipe 6 and girder 1 are respectively equipped with for installing driving engine (being connected journal stirrup 18 afterwards) etc., for stable installation driving engine, and between head tube left support pipe 6a and head tube right support pipe 6, fanning effect is good, is beneficial to engine radiating; Described girder 1, left front side beam 2a, right front side bar 2, front vehicle frame front cross rail 8, front vehicle frame after cross member 9, left perpendicular stay tube 16a, right perpendicular stay tube 16 and main beam 14 form space frame structure jointly; Space frame structure is formed by regular rectangular configuration, and played by girder 1 and better strengthen fixation, there is good stressed trade-off effect, can suitably reduce caliber or lateral dimension, effectively can reduce car load vehicle frame weight, realize object that is light and load-carrying raising.
In the present embodiment, the left brace panel 4a of head tube is longitudinally fixed with on the left of head tube 3, right side is fixed with the right brace panel 4 of head tube longitudinally, and described head tube left support pipe 6a is fixedly connected with head tube 3 by head tube left brace panel 4a with the right brace panel 4 of head tube with head tube right support pipe 6 correspondence; To head tube 3, there is stiffening effect, strengthen the load ability of head tube 3 itself, and facilitate being welded to connect of head tube left support pipe 6a and head tube right support pipe 6, ease of assembly.
In the present embodiment, described front cross rail 34 is fixed with hanger 29 before downward driving engine, after cross member 21 is fixed with hanger 28 after downward driving engine, facilitates the installation of driving engine; Before driving engine, the other freeing pipe that is also provided with of hanger installs hanger, is beneficial to the layout of the exhaust pipe of engine, compound with regular structure and aesthetic appearance is good; Before described driving engine, hanger 29 is by being connected to front cross rail 34 by front cross rail 34 to hanger support beam 35 before downward-extension, and be adapted to the installation site of driving engine, and bracket mount can be made simple, size is little, installs comparatively firm; Described left longeron 20, right vertical beam 27, front cross rail 34 and after cross member 21 are rectangular pipe fittings, make whole bracket sheet metal component little and lack, and reduce die cost and drop into, and reduce the car load vibration that driving engine causes, improve car load traveling comfort; The U-shaped structure that before described driving engine, after hanger 29 and driving engine, hanger 28 is all one of the forming, before driving engine, the base plate of the U-shaped structure of hanger 29 is fixedly connected on front hanger support beam 35, after driving engine, the base plate of the U-shaped structure of hanger 28 is fixedly connected on after cross member 21, and the mode be fixedly connected with generally adopts welding; The structure of one improves bracket bulk strength, and facilitates the welding of hanger.
In the present embodiment, described left front side beam 2a is just fixed with left reinforced pipe 17a to extending left with main beam about 14, described left reinforced pipe 17a is provided with second and left erects stay tube 161a with being fixedly connected with between main beam 14; Right front side bar 2 is just fixed with right reinforced pipe 17 to extending to the right with main beam about 14, and described right reinforced pipe 17 is provided with the second right perpendicular stay tube 161 with being fixedly connected with between main beam 14; Together form Partial frame supporting construction between left reinforced pipe 17a and right reinforced pipe 17 and the right perpendicular stay tube 161 of the second left perpendicular stay tube 161a and second, improve the stability of main beam further, thus ensure the stability of car load vehicle frame further; Described head tube left brace panel 4a be arranged in parallel with the right brace panel 4 of head tube and is all fixedly connected with girder 1, be positioned at head tube left brace panel 4a and head tube right brace panel 4 bottom and be also provided with the head tube lower reinforcing plate 19 that brace panel 4a left with head tube be all fixedly connected with the right brace panel 4 of head tube, head tube 3, girder 1, head tube left brace panel 4a, the right brace panel 4 of head tube and head tube lower reinforcing plate 19 are mutually permanently connected and jointly form box structure, cooperative bearing also carries, and ensure that overall compactedness and harmony.
In the present embodiment, left-hand tread plate assembly is fixed with on the left of described left front side beam 2a, left-hand tread plate assembly comprises left-hand tread plate 7a and the left-hand tread plate support for supporting left-hand tread plate, is fixedly connected with on the right side of described left-hand tread plate support with left front side beam 2a, and rear end is fixedly connected on left reinforced pipe 17a; Be fixed with right-hand tread plate assembly on the right side of described right front side bar 2, right-hand tread plate assembly comprises right-hand tread plate 7 and the right-hand tread plate support for supports right pedal 7, is fixedly connected with on the left of described right-hand tread plate support with right front side bar 2, and rear end is fixedly connected on right reinforced pipe 17; Both sides pedal assembly structure is identical and be symmetrical arranged, and as shown in Fig. 2 (right-hand tread plate assembly), right-hand tread plate support is made up of transverse tube 71 and side rod 72, and forms the structure being used for supports right pedal 7; Left reinforced pipe 17a and there is between right reinforced pipe 17 and corresponding pedal assembly the ability of mutually coordinating to bear external force, and ensure the stability of pedal.In the present embodiment, before driving engine the U-shaped structure of hanger 29 two wallboards between be fixedly connected with and be provided with brace panel I 30, junction and the front hanger support beam 35 of front hanger support beam 35 and front cross rail 34 are all fixedly connected with the brace panel II 33 of (welding) with front cross rail 34, as shown in the figure, brace panel II 33 is triangular structure, wherein welds with front cross rail 34, and a drift angle is welded in front hanger support beam 35, Stability Analysis of Structures, vibration-isolating effect is good; The setting of brace panel I 30 and brace panel II 33, compensate for the problem of the anterior installation strength of the less driving engine caused of front hanger support beam 35 lateral dimension.
The present invention can also adopt following structure, Fig. 6 is the another kind of structural representation of engine holding frame, as shown in the figure, cradle coupler comprises front connecting panel 25 and the rear connecting panel 32 of horizontally set, journal stirrup is connected before connecting panel before described head tube left support pipe 6a and head tube right support pipe 6 are provided with and are connected for correspondence, this front connection journal stirrup is arranged according to the structure of front connecting panel, does not repeat them here; Girder 1 is provided with the rear connection journal stirrup 18 for connecting rear connecting panel; As shown in the figure, front connecting panel 25 and rear connecting panel 32 all adopt steel angle structure, can bear larger moment of flexure; Four shock-reducing rubber grip assemblies are installed corresponding to the two ends of left longeron 20 and the two ends of right vertical beam 27 and left longeron 20 and right vertical beam 27 are connected to front connecting panel and rear connecting panel formation rectangular frame structure; Rectangular configuration makes front connecting panel 25 and rear connecting panel 32 and forms stable connection structure between left longeron 20 and right vertical beam 27, has and mutually coordinates stressed effect; Front connecting panel 25 is provided with the position for being connected with vehicle frame with rear connecting panel 32, and such as connecting bore etc., do not repeat them here.Vibration damping axle 23 correspondence of four shock-reducing rubber grip assemblies is installed on front connecting panel 25 and rear connecting panel 32, as shown in the figure, vibration damping axle 23 is connected on the hanger 26 of setting on front connecting panel 25 and rear connecting panel 32, normal-running fit can be made, to offset the external force of circumferencial direction, ensure the service life of vibration damping gum cover; Vibration damping axle sleeve 24 correspondence of four shock-reducing rubber grip assemblies is fixedly connected on the two ends of left longeron 20 and the two ends of right vertical beam 27; Vibration damping axle sleeve 24 may correspond to and is welded in the two ends of left longeron 20 and the two ends of right vertical beam 27.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (8)
1. a motor-tricycle for engine behind front wheel, comprises vehicle frame, driving engine, driving system and wheel, it is characterized in that: described driving engine is installed on vehicle frame foremost near vehicle frame;
Described driving engine is installed on vehicle frame by engine holding frame, and engine holding frame comprises bracket main body and for bracket main body being put the cradle coupler being installed on vehicle frame, described bracket main body hangs in the mode of vibration damping and is connected to cradle coupler;
Described bracket main body comprises left longeron and right vertical beam, and between described left longeron and right vertical beam, forward being fixedly connected with is provided with front cross rail, is fixedly connected with rearward and is provided with after cross member, and described left longeron and right vertical beam are connected to cradle coupler respectively by shock-reducing rubber grip assembly;
Described shock-reducing rubber grip assembly comprises vibration damping axle, vibration damping gum cover and vibration damping axle sleeve, and described vibration damping axle sleeve is coated at vibration damping axle by vibration damping gum cover;
Described vehicle frame comprises the head tube, front vehicle frame, main beam and the Rear frame that are mutually permanently connected and form vehicle frame; Head tube is supported in front vehicle frame front cross rail by the head tube left support pipe and head tube right support pipe also relatively forming arch to downward-extension; Be fixed with the left brace panel of head tube longitudinally on the left of head tube, right side is fixed with the right brace panel of head tube longitudinally, and described head tube left support pipe is fixedly connected with head tube by the left brace panel of head tube with the right brace panel of head tube with head tube right support pipe correspondence.
2. the motor-tricycle of engine behind front wheel according to claim 1, it is characterized in that: described front vehicle frame and Rear frame connect into entirety by main beam, described front vehicle frame comprises left front side beam, right front side bar and front end and is fixedly connected on the girder that head tube rear end is fixedly connected on main beam, and described girder is lower curved camber beam structure.
3. the motor-tricycle of engine behind front wheel according to claim 2, it is characterized in that: the front vehicle frame front cross rail that described front vehicle frame also comprises forward setting and the front vehicle frame after cross member arranged rearward, described left front side beam and right front side bar are fixedly connected to form rectangular configuration by front vehicle frame front cross rail and front vehicle frame after cross member, and this rectangular configuration is positioned at girder bottom; Described girder extends horizontally to main beam by after sinking and bending after forward direction, forms driving engine installing space between girder leading portion and rectangular configuration.
4. the motor-tricycle of engine behind front wheel according to claim 3, it is characterized in that: described Rear frame comprises and is fixedly connected with main beam and the left back side bar extended back and right back side bar, between described left back side bar and right back side bar, forward being fixedly connected with is provided with Rear frame front cross rail, be fixedly connected with rearward and be provided with Rear frame after cross member, Rear frame front cross rail is provided with the second girder with being fixedly connected with between main beam.
5. the motor-tricycle of engine behind front wheel according to claim 4, is characterized in that: described second girder runs through main beam backward by girder and formed; Be inclined upwardly after left front side beam and right front side bar all extend rearward beyond main beam and be fixedly connected on Rear frame front cross rail; Left front side beam erects stay tube by the left side vertically arranged and is fixedly connected on main beam, and right front side bar erects stay tube by the right side vertically arranged and is fixedly connected on main beam.
6. the motor-tricycle of engine behind front wheel according to claim 5, is characterized in that: described girder, left front side beam, right front side bar, front vehicle frame front cross rail, front vehicle frame after cross member, left perpendicular stay tube, right perpendicular stay tube and main beam form space frame structure jointly;
Bracket main body also comprises four shock-reducing rubber grip assemblies, four shock-reducing rubber grip assembly correspondences are installed on the two ends of left longeron and the two ends of right vertical beam, described cradle coupler is forward and the rear connecting panel of horizontally set, left longeron rear end and right vertical beam rear end are connected to rear connecting panel respectively by the shock-reducing rubber grip assembly of correspondence, and girder is provided with the rear connection journal stirrup for connecting rear connecting panel; Described head tube left support pipe and head tube right support pipe are connected journal stirrup before being provided with and being connected left longeron front end and the shock-reducing rubber grip assembly of right vertical beam front end for correspondence.
7. the motor-tricycle of engine behind front wheel according to claim 6, it is characterized in that: described left front side beam is just fixed with left reinforced pipe to extending left up and down with main beam, described left reinforced pipe is provided with the second left perpendicular stay tube with being fixedly connected with between main beam; Right front side bar is just fixed with right reinforced pipe to extending to the right up and down with main beam, and described right reinforced pipe is provided with the second right perpendicular stay tube with being fixedly connected with between main beam; The left brace panel of described head tube be arranged in parallel with the right brace panel of head tube and is all fixedly connected with girder, is positioned at the left brace panel of head tube and head tube right brace panel bottom and is also provided with the head tube lower reinforcing plate that brace panel left with head tube be all fixedly connected with the right brace panel of head tube; Described front cross rail is fixed with hanger before downward driving engine, after cross member is fixed with hanger after downward driving engine; Before driving engine, the other freeing pipe that is also provided with of hanger installs hanger; Be fixed with left-hand tread plate assembly on the left of described left front side beam, left-hand tread plate assembly comprises left-hand tread plate and the left-hand tread plate support for supporting left-hand tread plate, and be fixedly connected with left front side beam on the right side of described left-hand tread plate support, rear end is fixedly connected on left reinforced pipe; Be fixed with right-hand tread plate assembly on the right side of described right front side bar, right-hand tread plate assembly comprises right-hand tread plate and the right-hand tread plate support for supports right pedal, and be fixedly connected with right front side bar on the left of described right-hand tread plate support, rear end is fixedly connected on right reinforced pipe; Before described driving engine, hanger is by being connected to front cross rail by front cross rail to hanger support beam before downward-extension; Described left longeron, right vertical beam, front cross rail and after cross member are rectangular pipe fittings; The U-shaped structure that before described driving engine, after hanger and driving engine, hanger is all one of the forming, before driving engine, the base plate of the U-shaped structure of hanger is fixedly connected on front hanger support beam, and after driving engine, the base plate of the U-shaped structure of hanger is fixedly connected on after cross member; Before driving engine the U-shaped structure of hanger two wallboards between be fixedly connected with and be provided with brace panel I, the brace panel II that front hanger support beam is all fixedly connected with front hanger support beam and front cross rail with the junction of front cross rail.
8. the motor-tricycle of engine behind front wheel according to claim 1, it is characterized in that: described cradle coupler comprises the front connecting panel of horizontally set and rear connecting panel, four shock-reducing rubber grip assemblies are installed corresponding to the two ends of left longeron and the two ends of right vertical beam and left longeron and right vertical beam are connected to front connecting panel and rear connecting panel formation rectangular frame structure; Connect journal stirrup before connecting panel before described head tube left support pipe and head tube right support pipe are provided with and are connected for correspondence, girder is provided with the rear connection journal stirrup for connecting rear connecting panel; The vibration damping axle correspondence of four shock-reducing rubber grip assemblies is installed on front connecting panel and rear connecting panel, and the vibration damping axle sleeve correspondence of four shock-reducing rubber grip assemblies is fixedly connected on the two ends of left longeron and the two ends of right vertical beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310689365.5A CN103661711B (en) | 2013-12-16 | 2013-12-16 | The motor-tricycle of engine behind front wheel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310689365.5A CN103661711B (en) | 2013-12-16 | 2013-12-16 | The motor-tricycle of engine behind front wheel |
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| Publication Number | Publication Date |
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| CN103661711A CN103661711A (en) | 2014-03-26 |
| CN103661711B true CN103661711B (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310689365.5A Active CN103661711B (en) | 2013-12-16 | 2013-12-16 | The motor-tricycle of engine behind front wheel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109079390B (en) * | 2018-08-30 | 2024-04-16 | 合肥亿恒智能科技有限公司 | Welding trolley is assembled to vapour car support |
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|---|---|---|---|---|
| US4064957A (en) * | 1976-06-04 | 1977-12-27 | Parham Harold D | Three-wheel motorcycle |
| CN201033613Y (en) * | 2007-04-11 | 2008-03-12 | 李庆 | Frame for three-wheel motorcycle |
| CN201729057U (en) * | 2010-08-04 | 2011-02-02 | 韩群山 | Connecting structure for circulating water cooling water tank and frame of motor tricycle |
| CN203142963U (en) * | 2013-03-29 | 2013-08-21 | 重庆宗申发动机制造有限公司 | Upper suspension assembly of motor tricycle rear engine |
| CN203766973U (en) * | 2013-12-16 | 2014-08-13 | 隆鑫通用动力股份有限公司 | Motor tricycle |
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2013
- 2013-12-16 CN CN201310689365.5A patent/CN103661711B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4064957A (en) * | 1976-06-04 | 1977-12-27 | Parham Harold D | Three-wheel motorcycle |
| CN201033613Y (en) * | 2007-04-11 | 2008-03-12 | 李庆 | Frame for three-wheel motorcycle |
| CN201729057U (en) * | 2010-08-04 | 2011-02-02 | 韩群山 | Connecting structure for circulating water cooling water tank and frame of motor tricycle |
| CN203142963U (en) * | 2013-03-29 | 2013-08-21 | 重庆宗申发动机制造有限公司 | Upper suspension assembly of motor tricycle rear engine |
| CN203766973U (en) * | 2013-12-16 | 2014-08-13 | 隆鑫通用动力股份有限公司 | Motor tricycle |
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| Publication number | Publication date |
|---|---|
| CN103661711A (en) | 2014-03-26 |
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Effective date of registration: 20200214 Address after: 467200 east section of Yexian County Cultural Road in Pingdingshan, Henan Patentee after: Henan Longxin Locomotive Co., Ltd. Address before: 99 No. 400052 Chongqing Jiulongpo Hualong Avenue Kowloon Park Patentee before: Loncin Motor Co.,Ltd. |