阅读说明：本技术 一种前双轮带独立减振的转向装置 (Steering device with independent vibration reduction of front double wheels ) 是由 韩安卓 于 2019-08-14 设计创作，主要内容包括：一种前双轮带独立减振的转向装置,包括与后车架连接的安装架(1),安装在安装架(1)中的转向杆(2),与转向杆联动的万向转向机构,对称设置于安装架(1)两侧的左前轮(26)和右前轮(27)、左减振器(6)和右减振器(7)、用于连接安装左前轮的左轮座装置(10)和用于连接安装右前轮的右轮座装置(20)、左摆动臂组件和右摆动臂组件；其特征在于：万向转向机构包括左万向转向机构和右万向转向机构以及联动左右万向转向机构的拨动机构,形成左右前双轮具有两套独立减振的转向轮架装置,以达到当车辆拐弯行驶在高低不平的路面时、前双轮中的一个车轮不会随着车架的倾斜而的浮起,而实现左右两轮的平衡行使和灵活转向功能的目的。(A steering device with independent vibration reduction of front double wheels comprises a mounting frame (1) connected with a rear frame, a steering rod (2) installed in the mounting frame (1), a universal steering mechanism linked with the steering rod, a left front wheel (26) and a right front wheel (27), a left vibration absorber (6) and a right vibration absorber (7) which are symmetrically arranged on two sides of the mounting frame (1), a left wheel seat device (10) used for connecting and installing the left front wheel, and a right wheel seat device (20) used for connecting and installing the right front wheel, a left swing arm assembly and a right swing arm assembly; the method is characterized in that: the universal steering mechanism comprises a left universal steering mechanism, a right universal steering mechanism and a toggle mechanism for linking the left universal steering mechanism with the right universal steering mechanism, and forms a steering wheel frame device with two independent vibration dampers on a left front double wheel and a right front double wheel, so that when a vehicle turns and runs on a rugged road, one wheel in the front double wheels can not float along with the inclination of the frame, and the purposes of balanced running and flexible steering of the left and right double wheels are realized.)

1. a steering device with independent vibration reduction of front double wheels comprises a mounting frame (1) connected with a rear frame, a steering rod (2) installed in the mounting frame (1), a universal steering mechanism linked with the steering rod, a left front wheel (26) and a right front wheel (27), a left vibration absorber (6) and a right vibration absorber (7) which are symmetrically arranged on two sides of the mounting frame (1), a left wheel seat device (10) used for connecting and installing the left front wheel, and a right wheel seat device (20) used for connecting and installing the right front wheel, a left swing arm assembly and a right swing arm assembly; the left swing arm assembly comprises an upper left swing arm (4) and a lower left swing arm (14) which are arranged between the mounting frame and the left wheel seat device, and the right swing arm assembly comprises an upper right swing arm (5) and a lower right swing arm (25) which are arranged between the mounting frame and the right wheel seat device; the method is characterized in that: universal steering mechanism includes universal steering mechanism in left side and universal steering mechanism in right side and links about universal steering mechanism's toggle mechanism:

(A) The left steering mechanism comprises a left steering upper connecting rod (11), a left steering lower connecting rod (12), a steering connecting sheet (17), a left steering poke arm (15), a left wheel seat universal joint (13) and a left steering universal joint (16); a left steering toggle arm (15) is movably hinged and installed on the left side of a steering toggle arm installation groove (77) arranged in the middle of the installation frame (1) through a left steering toggle arm pin shaft (31), a left universal joint shaft hole (41) on a left steering universal joint (16) is hinged on a left steering toggle arm shaft (9) at the front end of the left steering toggle arm (15), a left wheel seat universal joint shaft hole (42) on a left wheel seat universal joint (13) is hinged on a left wheel seat universal joint connection shaft (30) of a left wheel seat device (10), shaft holes at two ends of a left steering upper connecting rod (11) are respectively hinged on a cross axle above the left steering universal joint (16) and the left wheel seat universal joint (13), shaft holes at two ends of a left steering lower connecting rod (12) are respectively hinged on the cross axle below the left steering universal joint (16) and the left wheel seat universal joint (13), the left steering upper connecting rod (11), the left steering lower connecting rod (12) are respectively hinged on the cross axle below, The left steering universal joint (16) and the left wheel seat universal joint (13) form a parallelogram; the right universal steering mechanism comprises a right steering upper connecting rod (21), a right steering lower connecting rod (22), a steering connecting sheet (17), a right steering toggle arm (18), a right wheel seat universal joint (23) and a right steering universal joint (24), the right steering toggle arm (18) is movably hinged and installed on the right side of a steering toggle arm installing groove (77) arranged in the middle of the installing frame (1) through a right steering toggle arm pin shaft (33), a right universal joint shaft hole (46) on the right steering universal joint (24) is hinged on a right steering toggle arm shaft (19) at the front end of the right steering toggle arm (18), a right wheel seat universal joint shaft hole (45) on the right wheel seat universal joint (23) is hinged on a right wheel seat universal joint connecting shaft (35) positioned on the right wheel seat device (20), shaft holes at two ends of the right steering upper connecting rod (21) are respectively hinged on a cross shaft above the right steering universal joint (24) and the right wheel seat universal joint (23), shaft holes at two ends of the right turning down connecting rod (22) are respectively hinged on a cross axle below the right steering universal joint (24) and the right wheel seat universal joint (23), and the right turning up connecting rod (21), the right steering universal joint (24), the right turning down connecting rod (22) and the right wheel seat universal joint (23) form a parallelogram; the toggle mechanism of the linked left-right universal steering mechanism comprises a steering toggle arm (8) and a steering connecting piece (17) which are fixedly connected with a steering rod (2), shaft holes at two ends of the steering connecting piece (17) are respectively hinged on a left steering toggle arm (15) and a right steering toggle arm (18) through shaft pins, and a toggle shaft at the tail end of the steering toggle arm (8) which is fixedly connected outside the steering rod (2) is hinged in a toggle arm connecting shaft hole (37) at the central position of the steering connecting piece (17).

The left steering mechanism comprises a left steering connecting rod (67), a steering connecting sheet (17), a left steering poking arm (15), a left wheel seat universal ball and a left steering universal ball; the left wheel seat universal ball consists of a left ball bowl II (72) and a left wheel seat universal ball head (69), and the left steering universal ball consists of a left ball bowl I (71) and a left steering poking arm connecting ball head (70); a left steering shifting arm (15) is movably hinged and installed on the left side of a steering shifting arm installation groove (77) formed in the middle of the installation frame (1) through a left steering shifting arm pin shaft (31), two ends of a left steering connecting rod (67) are respectively connected and installed with a left ball bowl I (71) and a left ball bowl II (72), a left steering shifting arm connecting ball head (70) is fixedly connected to the front end of the left steering shifting arm (15) and used in a matched mode with the left ball bowl I (71), and a left wheel seat universal ball head (69) is fixedly installed on the left wheel seat device (10) and used in a matched mode with the left ball bowl II (72); the right universal steering mechanism comprises a right steering connecting rod (68), a steering connecting sheet (17), a right steering poking arm (18), a right wheel seat universal ball and a right steering universal ball; the right wheel seat universal ball consists of a right ball bowl I (75) and a right wheel seat universal ball head (73), and the right steering universal ball consists of a right ball bowl II (76) and a right steering poke arm connecting ball head (74); the right steering toggle arm (18) is movably hinged to the right of a steering toggle arm mounting groove (77) formed in the middle of the mounting frame (1) through a right steering toggle arm pin shaft (33), two ends of a right steering connecting rod (68) are respectively connected with a right ball bowl II (76) and a right ball bowl I (75), a right steering toggle arm connecting ball head (74) is fixedly connected to the front end of the right steering toggle arm (18) and used in cooperation with the right ball bowl II (76), and a right wheel seat universal ball head (73) is fixedly mounted on the right wheel seat device (20) and used in cooperation with the right ball bowl I (75).

2. a steering device with independent damping for front two-wheel belts, according to claim 1, characterized in that: an upper connection lug II (50) at the upper end of the left shock absorber (6) is hinged with a connection lug I (49) on the left side above the mounting frame (1) through a hinge shaft, a lower connection lug III (51) at the lower end of the left shock absorber (6) is hinged on a left lower swing arm (14) through a shaft pin, an upper connection lug seven (59) at the upper end of the right shock absorber (7) is hinged with a connection lug six (58) on the right side above the mounting frame (1) through a hinge shaft, and a lower connection lug eight (60) at the lower end of the right shock absorber (7) is hinged on a right lower swing arm (25).

3. A steering device with independent damping for front two-wheel belts according to claim 1 or 2, characterized in that: a second left upper swing arm connecting lug (48) at the front fork end of a left upper swing arm (4) of the left swing arm assembly is hinged to the left side above the mounting frame (1) through a hinge shaft, a first left upper swing arm connecting lug (47) at the other end of the left upper swing arm (4) is hinged to a fourth connecting lug (52) at the upper end of the left wheel seat device (10) through a hinge shaft, a second left lower swing arm connecting lug (55) at the front fork end of a left lower swing arm (14) of the left swing arm assembly is hinged to a fifth connecting lug (53) at the lower end of the left wheel seat device (10) through a hinge shaft, and a first left lower swing arm connecting lug (54) at the other end of the left lower swing arm (14) is hinged to the lower left side of a lower swing arm mounting groove (78) of the mounting frame (1); the right upper swing arm connecting lug (57) at the front fork end of the right upper swing arm (5) of the right swing arm assembly is hinged to the right side above the mounting frame (1) through a hinge shaft, the right upper swing arm connecting lug (56) at the other end of the right upper swing arm (5) is hinged to the connecting lug nine (61) at the upper end of the right wheel seat device (20) through a hinge shaft, the right lower swing arm connecting lug (64) at the front fork end of the right lower swing arm (25) of the right swing arm assembly is hinged to the connecting lug ten (62) at the lower end of the right wheel seat device (20) through a hinge shaft, and the right lower swing arm connecting lug (63) at the other end of the right lower swing arm (25) is hinged to the lower side of the lower swing arm mounting groove (78) of the mounting frame (1) through a hinge.

Technical Field

The invention belongs to the field of light vehicles, and particularly relates to a steering device with independent vibration reduction for front double wheels.

Background

In order to solve the problem of difficult steering of the front double wheels, a differential is generally arranged between wheel shafts transversely connecting two wheels on two sides of one wheel shaft to change the speed difference of the rotating speeds of the two wheels of the vehicle during turning, so that the problems of losing balance and difficult steering during turning of the double wheels are solved, but the method for arranging the differential on the wheel shafts of the wheels still floats along with the inclination of the frame when the vehicle turns, so that the balance is lost and the steering is very difficult during turning, therefore, when the vehicle turns, the vehicle runs on uneven roads, the vehicle is not stable enough, and the potential safety hazard is easily generated.

The invention aims to solve the problems and provides a steering device with independent vibration damping for front double wheels, which is in a structure that the left wheel and the right wheel of the front double wheels are respectively provided with a left set and a right set of independent vibration damping. When the vehicle turns and runs on a rugged road, one wheel of the front two wheels can not float along with the inclination of the frame, and the purposes of balanced running and flexible steering of the left and right two wheels are achieved.

The purpose of the invention is realized as follows:

A steering device with independent vibration reduction of front double wheels comprises a mounting frame 1 connected with a rear frame, a steering rod 2 installed in the mounting frame 1, a universal steering mechanism linked with the steering rod, a left front wheel 26 and a right front wheel 27, a left vibration absorber 6 and a right vibration absorber 7 which are symmetrically arranged on two sides of the mounting frame 1, a left wheel seat device 10 used for connecting and installing the left front wheel, and a right wheel seat device 20 used for connecting and installing the right front wheel, a left swing arm assembly and a right swing arm assembly; the left swing arm assembly comprises an upper left swing arm 4 and a lower left swing arm 14 which are arranged between the mounting frame and the left wheel seat device, and the right swing arm assembly comprises an upper right swing arm 5 and a lower right swing arm 25 which are arranged between the mounting frame and the right wheel seat device; the method is characterized in that: universal steering mechanism includes universal steering mechanism in left side and universal steering mechanism in right side and links about universal steering mechanism's toggle mechanism:

(A) The left steering mechanism comprises a left steering upper connecting rod 11, a left steering lower connecting rod 12, a steering connecting sheet 17, a left steering poke arm 15, a left wheel seat universal joint 13 and a left steering universal joint 16; the left steering toggle arm 15 is movably hinged and installed on the left side of a steering toggle arm installation groove 77 arranged in the middle of the installation frame 1 through a left steering toggle arm pin 31, a left universal joint shaft hole 41 on a left steering universal joint 16 is hinged on a left steering toggle arm shaft 9 at the front end of the left steering toggle arm 15, a left wheel seat universal joint shaft hole 42 on a left wheel seat universal joint 13 is hinged on a left wheel seat universal joint connection shaft 30 of the left wheel seat device 10, shaft holes at two ends of a left steering upper connecting rod 11 are respectively hinged on a cross axle above the left steering universal joint 16 and the left wheel seat universal joint 13, shaft holes at two ends of the left steering lower connecting rod 12 are respectively hinged on the cross axle below the left steering universal joint 16 and the left wheel seat universal joint 13, and the left steering upper connecting rod 11, the left steering lower connecting rod 12, the left steering universal joint 16 and the left wheel seat universal joint 13 form a parallelogram; similarly, the right universal steering mechanism comprises a right steering upper connecting rod 21, a right steering lower connecting rod 22, a steering connecting sheet 17, a right steering toggle arm 18, a right wheel seat universal joint 23 and a right steering universal joint 24, the right steering toggle arm 18 is movably hinged and installed at the right side of a steering toggle arm installation groove 77 arranged at the middle part of the installation frame 1 through a right steering toggle arm pin shaft 33, a right universal joint shaft hole 46 on the right steering universal joint 24 is hinged on a right steering toggle arm shaft 19 at the front end of the right steering toggle arm 18, a right wheel seat universal joint shaft hole 45 on the right wheel seat universal joint 23 is hinged on a right wheel seat universal joint connecting shaft 35 positioned on the right wheel seat device 20, shaft holes at two ends of the right steering upper connecting rod 21 are respectively hinged on a cross shaft above the right steering universal joint 24 and the right wheel seat universal joint 23, shaft holes at two ends of the right steering lower connecting rod 22 are respectively hinged on a cross shaft below the right steering universal joint 24 and the right wheel seat universal joint 23, the right-turn upper link 21, the right-turn universal joint 24, the right-turn lower link 22, and the right wheel-mount universal joint 23 form a parallelogram; the toggle mechanism of the left and right universal steering linkage mechanism comprises a steering toggle arm 8 and a steering connecting piece 17 which are fixedly connected with a steering rod 2, shaft holes at two ends of the steering connecting piece 17 are respectively hinged on a left steering toggle arm 15 and a right steering toggle arm 18 through shaft pins, and a toggle shaft at the tail end of the steering toggle arm 8 which is fixedly connected outside the steering rod 2 is hinged in a toggle arm connecting shaft hole 37 at the central position of the steering connecting piece 17.

The left steering mechanism comprises a left steering connecting rod 67, a steering connecting sheet 17, a left steering poking arm 15, a left wheel seat universal ball and a left steering universal ball; the left wheel seat universal ball consists of a left ball bowl II 72 and a left wheel seat universal ball head 69, and the left steering universal ball consists of a left ball bowl I71 and a left steering poke arm connecting ball head 70; the left steering toggle arm 15 is movably hinged and installed on the left side of a steering toggle arm installation groove 77 arranged in the middle of the installation frame 1 through a left steering toggle arm pin 31, two ends of a left steering connecting rod 67 are respectively connected and installed with a left ball bowl I71 and a left ball bowl II 72, a left steering toggle arm connecting ball head 70 is fixedly connected to the front end of the left steering toggle arm 15 and is matched with the left ball bowl I71 for use, and a left wheel seat universal ball head 69 is fixedly installed on the left wheel seat device 10 and is matched with the left ball bowl II 72 for use; the right universal steering mechanism comprises a right steering connecting rod 68, a steering connecting sheet 17, a right steering poking arm 18, a right wheel seat universal ball and a right steering universal ball; the right wheel seat universal ball consists of a right ball bowl I75 and a right wheel seat universal ball head 73, and the right steering universal ball consists of a right ball bowl II 76 and a right steering poke arm connecting ball head 74; the right steering toggle arm 18 is movably hinged to the right of a steering toggle arm mounting groove 77 arranged in the middle of the mounting frame 1 through a right steering toggle arm pin 33, two ends of the right steering connecting rod 68 are respectively connected and mounted with a right ball bowl II 76 and a right ball bowl I75, a right steering toggle arm connecting ball head 74 is fixedly connected to the front end of the right steering toggle arm 18 and is matched with the right ball bowl II 76 for use, and a right wheel seat universal ball head 73 is fixedly mounted on the right wheel seat device 20 and is matched with the right ball bowl I75 for use.

The universal steering mechanism of the steering device with the independent vibration damping front double wheels comprises a left universal steering mechanism, a right universal steering mechanism and a toggle mechanism linking the left universal steering mechanism and the right universal steering mechanism, meanwhile, a left vibration damper 6 is arranged between an installation frame 1 and a left wheel seat device 10, and a right vibration damper 7 is arranged between the installation frame 1 and a right wheel seat device 20, so that the left and right front double wheels are formed to be provided with two sets of steering wheel frame devices with independent vibration damping, the front double-wheel steering device can realize safe parallel synchronous motion when a vehicle turns or inclines, and the aims of balanced running and flexible steering of the left and right double wheels are realized when the vehicle turns and runs on a rugged road surface and one wheel in the front double wheels cannot float along with the inclination of a frame.