CN111452870A - Towed vehicle basic principle mechanism with steering axle and non-steering axle capable of being parallel during steering - Google Patents

Towed vehicle basic principle mechanism with steering axle and non-steering axle capable of being parallel during steering Download PDF

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Publication number
CN111452870A
CN111452870A CN202010324358.5A CN202010324358A CN111452870A CN 111452870 A CN111452870 A CN 111452870A CN 202010324358 A CN202010324358 A CN 202010324358A CN 111452870 A CN111452870 A CN 111452870A
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China
Prior art keywords
rod
shaft
pull rod
steering axle
assembly
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CN202010324358.5A
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Chinese (zh)
Inventor
郑庆华
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Individual
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Individual
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Priority to CN202010324358.5A priority Critical patent/CN111452870A/en
Publication of CN111452870A publication Critical patent/CN111452870A/en
Priority to CN202110438097.4A priority patent/CN112896310A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D13/00Steering specially adapted for trailers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D7/00Steering linkage; Stub axles or their mountings
    • B62D7/16Arrangement of linkage connections
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D7/00Steering linkage; Stub axles or their mountings
    • B62D7/20Links, e.g. track rods

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Abstract

The invention relates to a basic principle mechanism of a towed vehicle, which can enable a steering axle and a non-steering axle to be parallel during steering, and the basic principle mechanism of the towed vehicle, which can enable the steering axle and the non-steering axle to be parallel during steering, is characterized in that: the trailer comprises a front side vehicle body frame, a towed vehicle body frame, a steering axle assembly, a universal shaft assembly and a non-steering axle assembly, wherein four pairs of wheels are symmetrically and movably connected on two sides of the towed vehicle body frame from front to back, the universal shaft assembly is arranged on the front side of the towed vehicle body frame, the steering axle assembly and the non-steering axle assembly are arranged on the vehicle body frame and are connected with the wheels corresponding to the two sides, and the middle parts of the universal shaft assembly and the steering axle assembly are connected through a pull rod assembly.

Description

Towed vehicle basic principle mechanism with steering axle and non-steering axle capable of being parallel during steering
Technical Field
The invention relates to a basic principle mechanism of a towed vehicle, wherein a steering axle and a non-steering axle can be parallel during steering.
Background
When the traditional towed vehicle turns, the potential safety hazard can occur when the towed vehicle is heavily loaded or runs at high speed or turns greatly or turns sharply because the steering axle and the non-steering axle are not parallel during turning, and even the serious safety accident of vehicle rollover occurs.
Disclosure of Invention
The invention provides a basic principle mechanism of a towed vehicle, wherein a steering axle and a non-steering axle can be parallel during steering.
The invention solves the technical problem by adopting the scheme that a towed vehicle basic principle mechanism with a steering axle and a non-steering axle which can be parallel during steering comprises a principle mechanism with the steering axle in front and the non-steering axle in back and a principle mechanism with the steering axle in back and the non-steering axle in front: including front side automobile body frame, towed vehicle automobile body frame, steering axle assembly, non-steering axle assembly, cardan shaft assembly, realize the parallel mount of steering axle and non-steering axle, by preceding four pairs of wheels to the back symmetrical swing joint on the towed vehicle automobile body frame both sides, cardan shaft assembly is installed in automobile body frame front side, and steering axle assembly and non-steering axle assembly are installed on automobile body frame and are connected with the wheel that both sides correspond, and cardan shaft assembly is connected through the pull rod assembly with steering axle assembly middle part.
Furthermore, the corresponding wheels are connected through a bottom pipe, the wheels are rotationally connected to two sides of the bottom pipe, and two sides of the body frame of the towed vehicle are fixedly connected with corresponding positions of the bottom pipe;
two ends of the bottom tube are symmetrically provided with upward vertical shafts, the upper end of the vertical shaft is provided with a transverse tube towards the outer side, one end of the transverse tube is connected with the upper end of the vertical shaft, the other end of the transverse tube is connected with a vertical bearing outer sleeve, the lower part of the vertical bearing outer sleeve is rotatably connected with a transverse rod, two ends of the transverse rod are symmetrically provided with downward vertical outer tubes, and wheels are arranged between the two vertical outer tubes;
the towed vehicle body frame is characterized in that upward vertical channel irons are symmetrically arranged at the two ends of the front end of the towed vehicle body frame in the bilateral direction, an upper locking shaft and a lower locking shaft which are parallel to each other are transversely arranged between the two channel irons, the two ends of the upper locking shaft and the upper ends of the two channel irons are locked by screws through corresponding hole positions, and the two ends of the lower locking shaft are fixedly connected with the lower ends of the two channel irons.
Furthermore, the universal shaft assembly comprises a five-fork shaft connector, a left half shaft connector and a right half shaft connector, the five-fork shaft connector comprises a central fixed pipe, a central rotating shaft, a fork plate, a left fork and a right fork, the central rotating shaft outer sleeve is sleeved and locked on the central rotating shaft, the central rotating shaft extends out along the horizontal line of the front end of the central fixed shaft, the fork plate is fixed above and below the central rotating shaft, a three-hole inserting shaft is sleeved and locked on the fork plate and the central rotating shaft through three hole sites of the three-hole inserting shaft and locked on the central rotating shaft outer sleeve, left and right fork rods are symmetrically and horizontally arranged on the periphery of the middle part of the central fixed pipe, the left half shaft connector comprises a pipe body A sleeved on the left fork rod, the right half shaft connector comprises a pipe body B sleeved outside the right fork rod, and upper and lower fork rods are vertically and symmetrically arranged on;
an upper torsion frame is transversely arranged between the two upper fork rods and comprises an upper double-hole shaft, fork holes A are symmetrically formed in the left end and the right end of the upper double-hole shaft, the two upper fork rods are correspondingly inserted into the insertion holes A, an upper torsion shaft is vertically arranged in the middle of the upper double-hole shaft, and the upper torsion shaft is rotatably connected to the middle of the upper lock shaft;
a lower torsion frame is transversely arranged between the two lower fork rods and comprises a lower double-hole shaft, fork holes B are symmetrically formed in the left end and the right end of the lower double-hole shaft, the two lower fork rods are correspondingly inserted into the jack B, a lower torsion shaft is vertically arranged in the middle of the lower double-hole shaft, and the lower torsion shaft is rotatably connected to the middle of the lower lock shaft;
one end of the lower double-hole shaft is sleeved with a screwed inherent horizontal torsion bar, and the central fixed pipe is connected with a front trailer.
Furthermore, the steering axle assembly comprises a first steering axle assembly and a second steering axle assembly, and the first steering axle assembly and the second steering axle assembly are respectively connected with the two bottom pipes on the front side;
the first steering axle assembly comprises a transverse pull rod A, two ends of the transverse pull rod A are symmetrically provided with free extension rods A, one end of each free extension rod A is connected with the transverse pull rod A, the other end of each free extension rod A is fixedly connected with the middle part of the corresponding transverse rod on the first bottom pipe from front to back, the middle part of the first bottom pipe from front to back is rotatably connected with a front V-shaped vertical shaft connector, and the front V-shaped vertical shaft connector is rotatably connected with the transverse pull rod A;
the second steering axle assembly comprises a transverse pull rod B, free extension rods B are symmetrically arranged at two ends of the transverse pull rod B, one end of each free extension rod B is connected with the transverse pull rod B, the other end of each free extension rod B is fixedly connected with the middle of a corresponding transverse rod on a second bottom pipe from front to back, a rear V-shaped vertical shaft connector is rotatably connected to the middle of the second bottom pipe from front to back, and the rear V-shaped vertical shaft connector is rotatably connected with the transverse pull rod B.
Furthermore, the front V-shaped vertical shaft connector comprises a first transverse rod and a first longitudinal rod which are connected in a 90-degree crossed manner, the crossed part is rotatably connected with the middle part of the corresponding bottom pipe through a vertical shaft, the end part of the first longitudinal rod is rotatably connected with the middle part of the transverse pull rod A, and a first torsion bar is sleeved at the end part of the first transverse rod;
the rear V-shaped vertical shaft connector comprises a second transverse rod and a second longitudinal rod which are crossed and connected in 90 degrees, the crossed part is rotatably connected with the middle part of the corresponding bottom pipe through a vertical shaft, the end part of the second longitudinal rod is rotatably connected with the middle part of the transverse pull rod B, and a second torsion rod is sleeved at the end part of the second transverse rod;
the horizontal torsion bar is positioned on the same side with the first torsion bar and is connected through a pull rod assembly.
Furthermore, the steering axle assembly comprises a first steering axle assembly and a second steering axle assembly, and the first steering axle assembly and the second steering axle assembly are respectively connected with the two bottom pipes on the rear side;
the first steering axle assembly comprises a transverse pull rod A, two ends of the transverse pull rod A are symmetrically provided with free extension rods A, one end of each free extension rod A is connected with the transverse pull rod A, the other end of each free extension rod A is fixedly connected with the middle part of a corresponding transverse rod on a third bottom pipe from front to back, a front V-shaped vertical shaft connector is rotatably connected to the middle part of the third bottom pipe from front to back, and the front V-shaped vertical shaft connector is rotatably connected with the transverse pull rod A;
the second steering axle assembly comprises a transverse pull rod B, free extension rods B are symmetrically arranged at two ends of the transverse pull rod B, one end of each free extension rod B is connected with the transverse pull rod B, the other end of each free extension rod B is fixedly connected with the middle of a corresponding transverse rod on a fourth bottom pipe from front to back, a rear V-shaped vertical shaft connector is rotatably connected to the middle of the fourth bottom pipe from front to back, and the rear V-shaped vertical shaft connector is rotatably connected with the transverse pull rod B.
Furthermore, the front V-shaped vertical shaft connector comprises a first transverse rod and a first longitudinal rod which are connected in a 90-degree crossed manner, the crossed part is rotatably connected with the middle part of the corresponding bottom pipe through a vertical shaft, the end part of the first longitudinal rod is rotatably connected with the middle part of the transverse pull rod A, a first torsion rod is arranged on the periphery of the end part of the first transverse rod, and the first torsion rod is connected with the first transverse rod in a crossed manner;
the rear V-shaped vertical shaft connector comprises a second transverse rod and a second longitudinal rod which are crossed and connected in 90 degrees, the crossed part is rotatably connected with the middle part of the corresponding bottom pipe through a vertical shaft, the end part of the second longitudinal rod is rotatably connected with the middle part of the transverse pull rod B, and a second torsion rod is sleeved at the end part of the second transverse rod;
the horizontal torsion bar is positioned on the opposite side of the first torsion bar and is connected with the first torsion bar through a pull rod assembly.
Furthermore, the first transverse pull rod is positioned on the front side of the front bottom tube in the two bottom tubes, and the second transverse pull rod is positioned on the rear side of the rear bottom tube in the two bottom tubes;
furthermore, the pull rod assembly can be set as a front pull rod assembly and a rear pull rod assembly, etc., two ends of the front pull rod assembly are respectively rotatably connected with the end parts of the horizontal torsion bar and the first torsion bar, two ends of the rear pull rod assembly are respectively rotatably connected with the middle part of the first torsion bar and the second torsion bar, the pull rod assembly comprises a front six-bearing mechanism, a straight pull rod and a rear six-bearing mechanism, the front end of the straight pull rod locks the front six-bearing mechanism, the rear end of the straight pull rod locks the rear six-bearing mechanism, the front six-bearing mechanism and the rear six-bearing mechanism are in the same style, the pull rod assembly comprises an upper bearing outer sleeve rod, a lower bearing outer sleeve rod and a bearing outer sleeve connector, the upper bearing outer sleeve rod comprises a pipe G, a pipe H and two vertical screws, the pipe G for setting the bearing position A is positioned at the rear position of the pipe H for setting the bearing position B and the bearing position C, the two vertical screws are crossed by 90 degrees, the two vertical screws for locking the lower bearing outer sleeve rod are arranged at the, the lower bearing outer sleeve rod comprises a tube M provided with a bearing position D and a tube P provided with two hole positions, the two are crossed at 90 degrees, the bearing outer sleeve connecting body comprises a tube N provided with a bearing position E and a bearing position F, an upper half shaft and a lower half shaft, the upper half shaft and the lower half shaft are respectively fixed above and below the central line of the tube N, the upper half shaft and the lower half shaft are positioned on the same straight line, the upper half shaft and the lower half shaft are respectively positioned on the upper portion and the lower portion of the central line of the tube N, the upper half shaft and the lower half shaft are positioned on the same straight line, the straight rod and the tube N are crossed at 90 degrees, the bearing position B, the bearing position C, the bearing position E and the bearing position F are positioned on the same plane, the upper half shaft is locked on the tube G, the lower half shaft is locked on the tube M, two ends of the straight rod are respectively locked on the bearing position B and the bearing position C, the bearing position A, the bearing, the six-bearing mechanism assembly can bear the torsion from left and right, front and back and up and down, can meet the up-and-down vibration of the first steering axle and the second steering axle, and can also complete the rotation of the transverse pull rod, so the six-bearing mechanism assembly can also be applied to the traditional large and small vehicles with two steering axles, and has better durability, reliability, accuracy, maintainability and the like due to the use of six bearing positions.
Furthermore, when the front side trailer rotates, the universal shaft is driven to rotate, the horizontal torsion bar at the lower part drives the front pull rod, the front pull rod drives the first torsion bar, the first torsion bar drives the rear pull rod to further drive the second torsion bar, the first torsion bar and the second torsion bar respectively drive the first V-shaped vertical shaft connector and the second V-shaped vertical shaft connector to rotate, and then the first transverse pull rod and the second transverse pull rod generate offset motion and finally drive the corresponding wheels to rotate, so that steering is realized.
Compared with the prior art, the invention has the following beneficial effects: the problem that the steering axle and the rear axle of the towed vehicle can not be parallel to each other when the towed vehicle turns is solved, and the driving safety and stability of the towed vehicle are improved.
Drawings
The invention is further described with reference to the following figures.
FIG. 1 is a schematic structural view of embodiment 1 of the present invention;
FIG. 2 is a side view of example 1 of the present invention;
FIG. 3 is a schematic structural view of a cardan shaft assembly according to embodiment 1 of the present invention;
FIG. 4 is a schematic structural view of the steer axle of the present invention;
FIG. 5 is a schematic structural view of the tie rod assembly of the present invention;
FIG. 6 is a schematic view of the construction of the steering wheel frame of the present invention;
FIG. 7 is a top view of the quincunx connector of the present invention;
FIG. 8 is a side view of the quincunx connector of the present invention;
FIG. 9 is a front view of the front V-shaped vertical axis connector of example 1 of the present invention;
FIG. 10 is a side view of the front V-shaped vertical axis connector of example 1 of the present invention;
FIG. 11 is a front schematic view of the rear V-shaped vertical axis connector of the present invention;
FIG. 12 is a side schematic view of the rear V-shaped vertical axis connector of the present invention;
FIG. 13 is a schematic structural view of embodiment 2 of the present invention;
FIG. 14 is a side view of example 2 of the present invention;
FIG. 15 is a schematic structural view of a cardan shaft assembly according to embodiment 2 of the present invention
FIG. 16 is a front view of the front V-shaped vertical axis connector of example 2 of the present invention;
FIG. 17 is a side view of the front V-shaped vertical axis connector of example 2 of the present invention;
FIG. 18 is a schematic structural view of an upper bearing outer sleeve of the present invention;
FIG. 19 is a schematic view of the construction of the lower bearing outer race of the present invention;
FIG. 20 is a schematic view of the structure of the bearing outer sleeve connector of the present invention
In the figure: 1-towed vehicle body frame; 2-vehicle wheels; 3-bottom tube; 4-vertical shaft; 5-a transverse tube; 6-erecting a bearing outer sleeve; 7-a transverse bar; 8-erecting an outer tube; 9-a steering shaft; 10-erecting an inner pipe; 11-channel iron; 12-locking the shaft; 13-lower lock shaft; 14-spring steel plate assembly; 15-a five-pronged shaft connector; 16-a left half-shaft connector; 17-right half shaft connection body; 18-upper double bore shaft; 19-lower double bore shaft; 20-upper torsion axis; 21-lower torsion axis; 22-horizontal torsion bar; 23-transverse tie rod a; 24-front V-shaped vertical axis connectors; 25-transverse tie rod B; 26-rear V-shaped vertical axis connectors; 27-front pull rod; 28-rear pull rod; 29-a central rotating shaft; 30-upper bearing outer sleeve rod; 31-lower bearing outer sleeve rod; 32-bearing housing interface; a 33-X central bearing housing; 34-a fork plate; 35-left fork arm; 36-right fork arm; 37-front side body frame; 38-a first cross bar; 39-a first longitudinal bar; 40-vertical axis; 41-a second cross bar; 42-a second longitudinal bar; 43-a first torsion bar; 44-central rotating shaft outer sleeve; 45-central fixed tube; 46-three-hole inserted shaft; 47-free extension bar A; 48-non-steer axle assembly; 50-bearing position A, 51-bearing position B, 52-bearing position C, 53-bearing position D, 54-bearing position E, 55-bearing position F and 56-double screws; 57-double screw hole site; 58-pipe G, 59-pipe H, 60-pipe M, 61-pipe P, 62-pipe N, 63-upper half shaft; 64-lower half shaft; 65-vertical reinforcing shafts; 66-double-hole plain film; 67-a line pipe; 70-a bogie frame; 71-a bogie frame; 72-extension bar; 73-transverse rod head; 74-upright steering shaft; 75-straight pull rod.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 1-12, a towed vehicle basic principle mechanism that a steering axle and a non-steering axle can be parallel when steering comprises a principle mechanism that the steering axle is in front of the non-steering axle and a principle mechanism that the steering axle is in front of the non-steering axle, and the embodiment 1: the embodiment is a principle mechanism that a steering axle is in front and is not in back, and comprises a towed vehicle body frame, a front side vehicle body frame 1, a steering axle assembly, a non-steering axle assembly and a universal shaft assembly, wherein the towed vehicle body frame can be parallelly mounted with the non-steering axle and the steering axle, four pairs of wheels 2 are symmetrically and movably connected with two sides of the vehicle body frame from front to back, the universal shaft assembly is mounted on the front side of the vehicle body frame, the towed vehicle with light weight can select the traditional form without a spring steel plate assembly, the steering axle assembly is mounted on the vehicle body frame and is connected with wheels corresponding to two sides, and the middle part of the universal shaft assembly and the steering axle assembly is connected through a pull rod assembly.
In the embodiment, the corresponding wheels are connected through the bottom tube 3, the wheels are rotationally connected to two sides of the bottom tube, and two sides of the vehicle body frame are fixedly connected with corresponding positions of the bottom tube;
the steering axle assembly can be a first steering axle assembly, a second steering axle assembly and the like, which all comprise steering wheel frames, a steering bridge frame and a transverse pull rod, wherein symmetrical steering wheel frames are locked at two ends of the steering bridge frame, the two steering wheel frames are locked by the transverse pull rod, the steering bridge frame comprises a bottom pipe, a vertical shaft, a transverse pipe, a vertical bearing outer sleeve and the like, the vertical bearing outer sleeve is crossed with the bottom pipe at 90 degrees, the vertical shaft is also crossed with the bottom pipe at 90 degrees, an upper bearing position and a lower bearing position are arranged at the center point of the bottom pipe and used for locking a vertical shaft in a V-shaped vertical shaft connector, the vertical shaft, the vertical bearing outer sleeve and the transverse pipe at two ends are symmetrical by taking the vertical shaft as the center point, the steering wheel frames comprise steering wheels and steering frames, the steering frames lock the steering wheels, the steering frames comprise vertical steering shafts, extension rods, transverse rod heads, two outer pipes, two inner pipes, transverse pipes and the, the two inner tubes are inserted into the two outer tubes and locked by screws, when the wheel is provided with a wheel motor, the wheel motor is arranged at the edge of the extension bar, a gear of the wheel motor is meshed with a gear arranged on a wheel hub, at the moment, the two inner tubes are not arranged, the two outer tubes extend downwards to lock the wheel, when the traditional non-electric wheel is used, the two inner tubes are not arranged, the vertical steering shaft is locked in vertical bearing outer sleeves at two ends of a steering axle housing in a sleeved mode, the extension bar is arranged below the vertical steering shaft and extends out towards the front end and the rear end, the transverse bar heads are fixed at the front end of the extension bar and are respectively provided with a bearing position above and below the extension bar to lock the transverse pull bar, the two outer tubes are fixed below the transverse tube below the vertical steering shaft, the vertical shaft is arranged in the central direction of the two outer tubes, the vertical shaft and the two outer tubes are mutually parallel, a reinforcing shaft which is parallel to the vertical steering shaft and has the same length can be arranged in front of the vertical steering shaft, and a double-hole flat sheet is sleeved and locked between the vertical steering shaft and the reinforcing shaft, so that the vertical steering shaft is reinforced.
Two ends of the bottom tube are symmetrically provided with upward vertical shafts 4, the upper end of each vertical shaft is provided with a transverse tube 5 towards the outer side, one end of each transverse tube is connected with the upper end of the corresponding vertical shaft, the other end of each transverse tube is connected with a vertical bearing outer tube 6, a steering shaft 9 is sleeved in each vertical bearing outer tube, the lower part of each vertical bearing outer tube is rotatably connected with a transverse rod 7, the lower end of each steering shaft is fixed in the middle of each transverse rod, two ends of each transverse rod are symmetrically provided with downward vertical outer tubes 8, vertical inner tubes 10 are fixedly locked below the two vertical outer tubes through screws, and;
the towed vehicle body frame is characterized in that upward vertical channel irons 11 are symmetrically arranged at the two ends of the front end of the towed vehicle body frame in the left-right direction, a locking shaft 12 and a lower locking shaft 13 which are parallel to each other are transversely arranged between the two channel irons, the two ends of the locking shaft and the upper ends of the two channel irons are locked by screws through corresponding hole positions, and the two ends of the lower locking shaft are fixedly connected with the lower ends of the two channel irons.
The reinforcing shaft is vertically arranged on the transverse pipe, the bottom of the reinforcing shaft is fixedly connected to the transverse pipe, the upper end of the reinforcing shaft is provided with a double-hole plain film A, one end of the double-hole plain film A is arranged on the reinforcing shaft, and the other end of the double-hole plain film A is rotatably connected with the upper part of the outer sleeve of the vertical bearing, so that the reinforcement is realized;
the spring steel plate assemblies 14 are correspondingly mounted on two sides of the vehicle chassis, the spring steel plate assemblies can be locked on two sides of the vehicle body frame in a traditional mode and are longitudinal, two sides of the bottom pipe are locked on the corresponding spring steel plate assemblies through steel plate buckles, and therefore the first steering axle, the second steering axle and the non-steering axle can be arranged in a parallel mode, and therefore when the vehicle is steered, the steering axle and the non-steering axle can be parallel to each other.
The vertical outer tube, the reinforcing shaft and the steering shaft are parallel to each other, vertical and vertical to the horizontal plane, the vertical outer tube, the reinforcing shaft and the steering shaft are crossed with the transverse rod at an angle of 90 degrees, the vertical outer tube, the extension rod and the transverse rod are integrally formed, wheels can be single wheels or double wheels, electric wheels or non-electric wheels can be selected, the non-electric wheels are traditional wheels, electric wheels can be selected to select hub motors, when double wheels are selected, the double wheels share the same wheel shaft, and two ends of the wheel shaft are locked between the two corresponding vertical inner tubes.
In this embodiment, the universal shaft assembly includes a five-fork shaft connector 15, a left half-shaft connector 16, and a right half-shaft connector 17, the five-fork shaft connector comprises a central fixed pipe 45, a central rotating shaft, fork plates, a left fork and a right fork, wherein a central rotating shaft outer sleeve is sleeved and locked on the central rotating shaft, the central rotating shaft extends along the horizontal line of the front end of the central fixed shaft, the fork plates are fixed above and below the central rotating shaft, a three-hole inserting shaft is sleeved and locked on the fork plates and the central rotating shaft through three self hole sites and locked on the central rotating shaft outer sleeve, a left fork rod 35 and a right fork rod 36 are symmetrically and horizontally arranged on the periphery of the middle part of the central fixed pipe, a left half shaft connector comprises a pipe body A sleeved on the left fork rod, a right half shaft connector comprises a pipe body B sleeved outside the right fork rod, an upper fork rod and a lower fork rod are vertically and symmetrically arranged on the periphery of the middle part of the pipe body A, B;
an upper torsion frame is transversely arranged between the two upper fork rods and comprises an upper double-hole shaft 18, fork holes A are symmetrically formed in the left end and the right end of the upper double-hole shaft, the two upper fork rods are correspondingly inserted into the insertion holes A, an upper torsion shaft 20 is vertically arranged in the middle of the upper double-hole shaft, and the upper torsion shaft is rotatably connected to the middle of the upper lock shaft;
a lower torsion frame is transversely arranged between the two lower fork rods and comprises a lower double-hole shaft 19, fork holes B are symmetrically formed in the left end and the right end of the lower double-hole shaft, the two lower fork rods are correspondingly inserted into the jack B, a lower torsion shaft 21 is vertically arranged in the middle of the lower double-hole shaft, and the lower torsion shaft is rotatably connected to the middle of the lower lock shaft;
one end of the lower double-hole shaft is sleeved with a horizontal torsion bar 22 which can rotate along with the rotation of the universal shaft, and the central fixed pipe is connected with a front trailer.
The outer end of the fixed pipe in center on link firmly the end plate, the middle part of end plate is provided with central pivot 29 along the plantago direction, one of its tip of central pivot is fixed at end plate outside middle part, lateral symmetry sets up two horizontal fork boards 34 about the end plate, downside on the end plate outside is fixed respectively to one of its tip of two fork boards, trailer rear side middle part level is provided with the central pivot outer tube 45 the same with trailer direction of advance, in use, central pivot suit is in central pivot outer tube, the picture peg of the downside of going up, all correspond on the same position in the outer end of central pivot and be provided with fixed jack, be used for when central pivot suit in central pivot outer tube after, then insert the vertical jack that inserts of axle 46 with a three holes, link up each jack, realize with being connected of towed vehicle and towed vehicle.
In this embodiment, the steering axle assembly includes a first steering axle assembly and a second steering axle assembly, and the first steering axle assembly and the second steering axle assembly are respectively connected with two bottom tubes on the front side;
the first steering axle assembly comprises a transverse pull rod A23, two ends of the transverse pull rod A are symmetrically hinged with a free extension rod A47, one end of the free extension rod A is hinged with the transverse pull rod A, the other end of the free extension rod A is fixedly connected with the middle part of a corresponding transverse rod on a first bottom pipe from front to back, the middle part of the first bottom pipe from front to back is rotatably connected with a front V-shaped vertical shaft connector 24, and the front V-shaped vertical shaft connector is rotatably connected with the transverse pull rod A;
the second steering axle assembly comprises a transverse pull rod B25, free extension rods B are symmetrically arranged at two ends of the transverse pull rod B, one end of each free extension rod B is connected with the transverse pull rod B, the other end of each free extension rod B is fixedly connected with the middle of a corresponding transverse rod on a second bottom pipe from front to back, a rear V-shaped vertical shaft connector 26 is rotatably connected to the middle of the second bottom pipe from front to back, and the rear V-shaped vertical shaft connector is rotatably connected with the transverse pull rod B.
In this embodiment, the front V-shaped vertical shaft connector includes a first cross bar 38 and a first longitudinal bar 39 which are connected in a 90-degree crossing manner, the crossing portion is rotatably connected with the middle portion of the corresponding bottom tube through a vertical shaft 40, the middle portion of the bottom tube is provided with a bearing position for rotatably connecting with the vertical shaft, the end portion of the first longitudinal bar is rotatably connected with the middle portion of the transverse pull rod a, and the end portion of the first cross bar is sleeved with a first torsion bar;
the rear V-shaped vertical shaft connector comprises a second cross rod 41 and a second longitudinal rod 42 which are connected in a 90-degree crossed manner, the crossed position is rotatably connected with the middle part of the corresponding bottom pipe through a vertical shaft, the middle part of the bottom pipe is provided with a bearing position for rotatably connecting the vertical shaft, the end part of the second longitudinal rod is rotatably connected with the middle part of the transverse pull rod B, and a second torsion rod is sleeved at the end part of the second cross rod;
the horizontal torsion bar is positioned on the same side with the first torsion bar and is connected through a pull rod assembly.
In this embodiment, the first transverse tie rod is located at the front side of the front bottom tube of the two bottom tubes, and the second transverse tie rod is located at the rear side of the rear bottom tube of the two bottom tubes;
in this embodiment, the tie rod assembly includes a front tie rod 27 and a rear tie rod 28, both ends of the front tie rod are respectively and rotatably connected with the horizontal torsion bar and the end of the first torsion bar, and both ends of the rear tie rod are respectively and rotatably connected with the middle part of the first torsion bar and the second torsion bar;
in this embodiment, the pull rod assembly may be configured as a front pull rod assembly and a rear pull rod assembly, etc., both ends of the front pull rod assembly are rotatably connected to the horizontal torsion bar and the end of the first torsion bar, respectively, both ends of the rear pull rod assembly are rotatably connected to the middle of the first torsion bar and the second torsion bar, respectively, the pull rod assembly includes a front six-bearing mechanism, a drag rod and a rear six-bearing mechanism, the front end of the drag rod locks the front six-bearing mechanism, the rear end of the drag rod locks the rear six-bearing mechanism, the front six-bearing mechanism and the rear six-bearing mechanism are in the same form, and include an upper bearing outer sleeve, a lower bearing outer sleeve and a bearing outer sleeve connector, the upper bearing outer sleeve includes a tube G, a tube H and two vertical screws, the tube G for setting the bearing position a is located at the rear upper position of the tube H for setting the bearing position B and the bearing position C, and the two vertical screws for locking the lower bearing outer sleeve are arranged at 90 degrees, and are arranged at the lower position of the tube H, the lower bearing outer sleeve rod comprises a tube M provided with a bearing position D and a tube P provided with two hole positions, the two are crossed at 90 degrees, the bearing outer sleeve connecting body comprises a tube N provided with a bearing position E and a bearing position F, an upper half shaft and a lower half shaft, the upper half shaft and the lower half shaft are respectively fixed above and below the central line of the tube N, the upper half shaft and the lower half shaft are positioned on the same straight line, the upper half shaft and the lower half shaft are respectively positioned on the upper portion and the lower portion of the central line of the tube N, the upper half shaft and the lower half shaft are positioned on the same straight line, the straight rod and the tube N are crossed at 90 degrees, the bearing position B, the bearing position C, the bearing position E and the bearing position F are positioned on the same plane, the upper half shaft is locked on the tube G, the lower half shaft is locked on the tube M, two ends of the straight rod are respectively locked on the bearing position B and the bearing position C, the bearing position A, the bearing, the six-bearing mechanism assembly can bear the torsion from left and right, front and back and up and down, can meet the up-and-down vibration of the first steering axle and the second steering axle, and can also complete the rotation of the transverse pull rod, so the six-bearing mechanism assembly can also be applied to the traditional large and small vehicles with two steering axles, and has better durability, reliability, accuracy, maintainability and the like due to the use of six bearing positions.
As shown in fig. 13-17, the present embodiment is a principle mechanism in which a steering axle is at the rear and a non-steering axle is at the front, embodiment 1 is a frame with a movable front axle, and the second embodiment is provided for a frame with a movable rear axle, and other components are the same as those in the previous embodiment, so that details are not repeated here: the steering axle assembly comprises a first steering axle assembly and a second steering axle assembly, and the first steering axle assembly and the second steering axle assembly are respectively connected with two bottom pipes on the rear side;
the first steering axle assembly comprises a transverse pull rod A, two ends of the transverse pull rod A are symmetrically hinged with free extension rods A, one end of each free extension rod A is hinged with the transverse pull rod A, the other end of each free extension rod A is fixedly connected with the middle part of a corresponding transverse rod on a third bottom pipe from front to back, a front V-shaped vertical shaft connector is rotatably connected to the middle part of the third bottom pipe from front to back, and the front V-shaped vertical shaft connector is rotatably connected with the transverse pull rod A;
the second steering axle assembly comprises a transverse pull rod B, free extension rods B are symmetrically arranged at two ends of the transverse pull rod B, one end of each free extension rod B is connected with the transverse pull rod B, the other end of each free extension rod B is fixedly connected with the middle of a corresponding transverse rod on a fourth bottom pipe from front to back, a rear V-shaped vertical shaft connector is rotatably connected to the middle of the fourth bottom pipe from front to back, and the rear V-shaped vertical shaft connector is rotatably connected with the transverse pull rod B.
In this embodiment, the front V-shaped vertical shaft connector includes a first cross bar and a first longitudinal bar which are connected in a 90-degree crossing manner, the crossing portion is rotatably connected with the middle portion of the corresponding bottom tube through a vertical shaft, the end portion of the first longitudinal bar is rotatably connected with the middle portion of the transverse pull rod a, a first torsion bar 43 is mounted on the outer periphery of the end portion of the first cross bar, and the first torsion bar is connected with the first cross bar in a crossing manner;
the rear V-shaped vertical shaft connector comprises a second transverse rod and a second longitudinal rod which are crossed and connected in 90 degrees, the crossed part is rotatably connected with the middle part of the corresponding bottom pipe through a vertical shaft, the end part of the second longitudinal rod is rotatably connected with the middle part of the transverse pull rod B, and a second torsion rod is sleeved at the end part of the second transverse rod;
the horizontal torsion bar is positioned on the opposite side of the first torsion bar and is connected with the first torsion bar through a pull rod assembly.
In this embodiment, the pull rod assembly may be configured as a front pull rod assembly and a rear pull rod assembly, etc., both ends of the front pull rod assembly are rotatably connected to the horizontal torsion bar and the end of the first torsion bar, respectively, both ends of the rear pull rod assembly are rotatably connected to the middle of the first torsion bar and the second torsion bar, respectively, the pull rod assembly includes a front six-bearing mechanism, a drag rod and a rear six-bearing mechanism, the front end of the drag rod locks the front six-bearing mechanism, the rear end of the drag rod locks the rear six-bearing mechanism, the front six-bearing mechanism and the rear six-bearing mechanism are in the same form, and include an upper bearing outer sleeve, a lower bearing outer sleeve and a bearing outer sleeve connector, the upper bearing outer sleeve includes a tube G, a tube H and two vertical screws, the tube G for setting the bearing position a is located at the rear upper position of the tube H for setting the bearing position B and the bearing position C, and the two vertical screws for locking the lower bearing outer sleeve are arranged at 90 degrees, and are arranged at the lower position of the tube H, the lower bearing outer sleeve rod comprises a tube M provided with a bearing position D and a tube P provided with two hole positions, the two are crossed at 90 degrees, the bearing outer sleeve connecting body comprises a tube N provided with a bearing position E and a bearing position F, an upper half shaft and a lower half shaft, the upper half shaft and the lower half shaft are respectively fixed above and below the central line of the tube N, the upper half shaft and the lower half shaft are positioned on the same straight line, the upper half shaft and the lower half shaft are respectively positioned on the upper portion and the lower portion of the central line of the tube N, the upper half shaft and the lower half shaft are positioned on the same straight line, the straight rod and the tube N are crossed at 90 degrees, the bearing position B, the bearing position C, the bearing position E and the bearing position F are positioned on the same plane, the upper half shaft is locked on the tube G, the lower half shaft is locked on the tube M, two ends of the straight rod are respectively locked on the bearing position B and the bearing position C, the bearing position A, the bearing, the six-bearing mechanism assembly can bear the torsion from left and right, front and back and up and down, can meet the up-and-down vibration of the first steering axle and the second steering axle, and can also complete the rotation of the transverse pull rod, so the six-bearing mechanism assembly can also be applied to the traditional large and small vehicles with two steering axles, and has better durability, reliability, accuracy, maintainability and the like due to the use of six bearing positions.
In this embodiment, because the bottom tube is fixed in by both sides of vehicle underframe with the spring steel plate assembly, and do not turn to, only first, second steer axle rotates under the effect of pull rod, so do not have original front, rear axle nonparallel to lead to going at a heavy load or high speed or turn greatly or sharp turn the time can all appear the potential safety hazard, consequently can realize the more than tow-hang of two sections car, can set up to electric wheel by every wheel, consequently when the multisection car is towed, the cardan shaft assembly mechanism of every section can realize less load, consequently also can realize the tow-hang of more sections, can improve bigger conveying efficiency in daily life, thereby practice thrift the cost of transportation, the braking form can select forms such as traditional automatically controlled liquid braking or automatically controlled gas braking.
A driving method of a towed vehicle basic principle mechanism with a steering axle and a non-steering axle capable of being parallel during steering comprises the following steps: when the front side trailer body rotates, the universal shaft is driven to rotate, the horizontal torsion bar at the lower part drives the front pull rod, the front pull rod drives the first torsion bar, the first torsion bar drives the rear pull rod and further drives the second torsion bar, the first torsion bar and the second torsion bar respectively drive the first V-shaped vertical shaft connector and the second V-shaped vertical shaft connector to rotate, the first transverse pull rod and the second transverse pull rod generate offset motion, and finally the corresponding wheels are driven to rotate, so that steering is realized.
Any embodiment disclosed herein above is meant to disclose, unless otherwise indicated, all numerical ranges disclosed as being preferred, and any person skilled in the art would understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Since the numerical values are too numerous to be exhaustive, some of the numerical values are disclosed in the present invention to illustrate the technical solutions of the present invention, and the above-mentioned numerical values should not be construed as limiting the scope of the present invention.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the terms "first" and "second" are used merely to distinguish one element from another in a descriptive sense and are not intended to have a special meaning unless otherwise stated.
If the invention discloses or relates to parts or structures which are fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated.
Any part provided by the invention can be assembled by a plurality of independent components or can be manufactured by an integral forming process.
Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides a steering axle and non-steering axle can run in parallel when turning to be towed vehicle fundamental mechanism, includes the steering axle in the front principle mechanism that non-steering axle is in the back and the steering axle in the back principle mechanism that non-steering axle is in the front which characterized in that: including front side automobile body frame, towed vehicle body frame, steering axle assembly, cardan shaft assembly, non-steering axle assembly, realize the parallel mount of steering axle and non-steering axle, be used for erectting by the towed vehicle body by towed vehicle body frame, front side automobile body frame is used for hanging by towed vehicle body frame, by four pairs of wheels of preceding to back symmetrical swing joint on the both sides of towed vehicle body frame, cardan shaft assembly installs in by towed vehicle body frame front side, and the steering axle assembly pins on being towed vehicle body frame and is connected with the wheel that both sides correspond with spring steel sheet assembly, and cardan shaft assembly is connected through the pull rod assembly with steering axle assembly middle part, and central pivot outer tube is the level form, and the front end orientation with the front side automobile body frame forward the direction unanimous be fixed in the afterbody central point of front side automobile body frame.
2. The towed vehicle first principle mechanism of claim 1, wherein said steerable axle is parallel to a non-steerable axle, and wherein: the corresponding wheels are connected through the bottom pipe, the wheels are rotationally connected to the two sides of the bottom pipe, and the two sides of the body frame of the towed vehicle are fixedly connected with the corresponding positions of the bottom pipe;
the towed vehicle body frame is characterized in that upward vertical channel irons are symmetrically arranged at the two ends of the front end of the towed vehicle body frame in the bilateral direction, an upper locking shaft and a lower locking shaft which are parallel to each other are transversely arranged between the two channel irons, the two ends of the upper locking shaft and the upper ends of the two channel irons are locked by screws through corresponding hole positions, and the two ends of the lower locking shaft are fixedly connected with the lower ends of the two channel irons.
3. The towed vehicle first principle mechanism, when steered, with a steerable axle parallelable to a non-steerable axle, of claim 2, wherein: the universal shaft assembly comprises a five-fork shaft connector, a left half shaft connector and a right half shaft connector, wherein the five-fork shaft connector comprises a central fixed pipe, a central rotating shaft, a fork plate, a left fork and a right fork, the central rotating shaft outer sleeve is sleeved and locked with the central rotating shaft, the central rotating shaft extends out along the horizontal line of the front end of the central fixed shaft, the fork plate is fixed above and below the central rotating shaft, a three-hole inserting shaft is sleeved and locked with the fork plate and the central rotating shaft through three hole sites of the three-hole inserting shaft and locked on the central rotating shaft outer sleeve, left and right fork rods are symmetrically and horizontally arranged on the periphery of the middle part of the central fixed pipe, the left half shaft connector comprises a pipe body A sleeved on the left fork rod, the right half shaft connector comprises a pipe body B sleeved outside the right fork rod, and upper and lower fork rods are vertically and;
an upper torsion frame is transversely arranged between the two upper fork rods and comprises an upper double-hole shaft, fork holes A are symmetrically formed in the left end and the right end of the upper double-hole shaft, the two upper fork rods are correspondingly inserted into the insertion holes A, an upper torsion shaft is vertically arranged in the middle of the upper double-hole shaft, and the upper torsion shaft is rotatably connected to the middle of the upper lock shaft;
a lower torsion frame is transversely arranged between the two lower fork rods and comprises a lower double-hole shaft, fork holes B are symmetrically formed in the left end and the right end of the lower double-hole shaft, the two lower fork rods are correspondingly inserted into the jack B, a lower torsion shaft is vertically arranged in the middle of the lower double-hole shaft, and the lower torsion shaft is rotatably connected to the middle of the lower lock shaft;
one end of the lower double-hole shaft is sleeved with a screwed inherent horizontal torsion bar, and the central fixed pipe is connected with a front trailer.
4. The towed vehicle first principle mechanism, when steered, with a steered axle and a non-steered axle, which are parallelable, according to claim 3, wherein: the steering axle assembly comprises a first steering axle assembly and a second steering axle assembly, and the first steering axle assembly and the second steering axle assembly are respectively connected with two bottom pipes on the front side;
the first steering axle assembly comprises a transverse pull rod A, two ends of the transverse pull rod A are symmetrically provided with free extension rods A, one end of each free extension rod A is connected with the transverse pull rod A, the other end of each free extension rod A is fixedly connected with the middle part of the corresponding transverse rod on the first bottom pipe from front to back, the middle part of the first bottom pipe from front to back is rotatably connected with a front V-shaped vertical shaft connector, and the front V-shaped vertical shaft connector is rotatably connected with the transverse pull rod A;
the second steering axle assembly comprises a transverse pull rod B, free extension rods B are symmetrically arranged at two ends of the transverse pull rod B, one end of each free extension rod B is connected with the transverse pull rod B, the other end of each free extension rod B is fixedly connected with the middle of a corresponding transverse rod on a second bottom pipe from front to back, a rear V-shaped vertical shaft connector is rotatably connected to the middle of the second bottom pipe from front to back, and the rear V-shaped vertical shaft connector is rotatably connected with the transverse pull rod B.
5. The towed vehicle first principle mechanism, when steered, having a steered axle and a non-steered axle that are parallelable, according to claim 4, wherein: the front V-shaped vertical shaft connector comprises a first cross rod and a first longitudinal rod which are crossed and connected in 90 degrees, the crossed part is rotatably connected with the middle part of the corresponding bottom pipe through a vertical shaft, the end part of the first longitudinal rod is rotatably connected with the middle part of the transverse pull rod A, and a first torsion rod is sleeved at the end part of the first cross rod;
the rear V-shaped vertical shaft connector comprises a second transverse rod and a second longitudinal rod which are crossed and connected in 90 degrees, the crossed part is rotatably connected with the middle part of the corresponding bottom pipe through a vertical shaft, the end part of the second longitudinal rod is rotatably connected with the middle part of the transverse pull rod B, and a second torsion rod is sleeved at the end part of the second transverse rod;
the horizontal torsion bar is positioned on the same side with the first torsion bar and is connected through a pull rod assembly.
6. The towed vehicle first principle mechanism, when steered, with a steered axle and a non-steered axle, which are parallelable, according to claim 3, wherein: the steering axle assembly comprises a first steering axle assembly and a second steering axle assembly, and the first steering axle assembly and the second steering axle assembly are respectively connected with two bottom pipes on the rear side;
the first steering axle assembly comprises a transverse pull rod A, two ends of the transverse pull rod A are symmetrically provided with free extension rods A, one end of each free extension rod A is connected with the transverse pull rod A, the other end of each free extension rod A is fixedly connected with the middle part of a corresponding transverse rod on a third bottom pipe from front to back, a front V-shaped vertical shaft connector is rotatably connected to the middle part of the third bottom pipe from front to back, and the front V-shaped vertical shaft connector is rotatably connected with the transverse pull rod A;
the second steering axle assembly comprises a transverse pull rod B, free extension rods B are symmetrically arranged at two ends of the transverse pull rod B, one end of each free extension rod B is connected with the transverse pull rod B, the other end of each free extension rod B is fixedly connected with the middle of a corresponding transverse rod on a fourth bottom pipe from front to back, a rear V-shaped vertical shaft connector is rotatably connected to the middle of the fourth bottom pipe from front to back, and the rear V-shaped vertical shaft connector is rotatably connected with the transverse pull rod B.
7. The towed vehicle first principle mechanism, when steered, having a steered axle and a non-steered axle that are parallelable, according to claim 6, wherein: the front V-shaped vertical shaft connector comprises a first cross rod and a first longitudinal rod which are connected in a 90-degree crossed manner, the crossed part is rotatably connected with the middle part of the corresponding bottom pipe through a vertical shaft, the end part of the first longitudinal rod is rotatably connected with the middle part of the transverse pull rod A, a first torsion rod is arranged on the periphery of the end part of the first cross rod, and the first torsion rod is connected with the first cross rod in a crossed manner;
the rear V-shaped vertical shaft connector comprises a second transverse rod and a second longitudinal rod which are crossed and connected in 90 degrees, the crossed part is rotatably connected with the middle part of the corresponding bottom pipe through a vertical shaft, the end part of the second longitudinal rod is rotatably connected with the middle part of the transverse pull rod B, and a second torsion rod is sleeved at the end part of the second transverse rod;
the horizontal torsion bar is positioned on the opposite side of the first torsion bar and is connected with the first torsion bar through a pull rod assembly.
8. A towed vehicle first principle mechanism according to claim 5 or 7, wherein said steerable axle is parallel to a non-steerable axle, and wherein: the first transverse pull rod is positioned on the front side of the front bottom tube in the two bottom tubes, and the second transverse pull rod is positioned on the rear side of the rear bottom tube in the two bottom tubes.
9. The towed vehicle first principle mechanism of claim 8, wherein said steerable axle is parallel to a non-steerable axle, and wherein: the pull rod assembly can be arranged into a front pull rod assembly, a rear pull rod assembly and the like, two ends of the front pull rod assembly are respectively and rotatably connected with the end parts of a horizontal torsion bar and a first torsion bar, two ends of the rear pull rod assembly are respectively and rotatably connected with the middle part of the first torsion bar and a second torsion bar, the pull rod assembly comprises a front six-bearing mechanism, a straight pull rod and a rear six-bearing mechanism, the front end of the straight pull rod locks the front six-bearing mechanism, the rear end of the straight pull rod locks the rear six-bearing mechanism, the front six-bearing mechanism and the rear six-bearing mechanism are in the same type and comprise an upper bearing outer sleeve rod, a lower bearing outer sleeve rod and a bearing outer sleeve connecting body, the upper bearing outer sleeve rod comprises a pipe G, a pipe H and two vertical screws, the pipe G provided with a bearing position A is arranged at the upper position behind the pipe H provided with a bearing position B and a bearing position C, the two vertical screws are crossed by 90 degrees, the two vertical screws used for locking the lower bearing outer sleeve rod are, the lower bearing outer sleeve rod comprises a tube M provided with a bearing position D and a tube P provided with two hole positions, the two are crossed at 90 degrees, the bearing outer sleeve connecting body comprises a tube N provided with a bearing position E and a bearing position F, an upper half shaft and a lower half shaft, the upper half shaft and the lower half shaft are respectively fixed above and below the central line of the tube N, the upper half shaft and the lower half shaft are positioned on the same straight line, the upper half shaft and the lower half shaft are respectively positioned on the upper portion and the lower portion of the central line of the tube N, the upper half shaft and the lower half shaft are positioned on the same straight line, the straight rod and the tube N are crossed at 90 degrees, the bearing position B, the bearing position C, the bearing position E and the bearing position F are positioned on the same plane, the upper half shaft is locked on the tube G, the lower half shaft is locked on the tube M, two ends of the straight rod are respectively locked on the bearing position B and the bearing position C, the bearing position A, the bearing, the six-bearing mechanism assembly can bear the torsion from left and right, front and back and up and down, can meet the up-and-down vibration of the first steering axle and the second steering axle, and can also complete the rotation of the transverse pull rod, so the six-bearing mechanism assembly can also be applied to the traditional large and small vehicles with two steering axles, and has better durability, reliability, accuracy, maintainability and the like due to the use of six bearing positions.
10. A method of driving a towed vehicle first principle mechanism which is capable of paralleling a steered axle and a non-steered axle when steered according to claim 9, characterized in that: when the front side trailer body rotates, the universal shaft is driven to rotate, the horizontal torsion bar at the lower part drives the front pull rod, the front pull rod drives the first torsion bar, the first torsion bar drives the rear pull rod and further drives the second torsion bar, the first torsion bar and the second torsion bar respectively drive the first V-shaped vertical shaft connector and the second V-shaped vertical shaft connector to rotate, the first transverse pull rod and the second transverse pull rod generate offset motion, and finally the corresponding wheels are driven to rotate, so that steering is realized.
CN202010324358.5A 2020-04-23 2020-04-23 Towed vehicle basic principle mechanism with steering axle and non-steering axle capable of being parallel during steering Pending CN111452870A (en)

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CN202010324358.5A CN111452870A (en) 2020-04-23 2020-04-23 Towed vehicle basic principle mechanism with steering axle and non-steering axle capable of being parallel during steering
CN202110438097.4A CN112896310A (en) 2020-04-23 2021-04-22 Towed vehicle basic principle mechanism with steering axle and non-steering axle capable of being parallel during steering

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CN202110438097.4A Pending CN112896310A (en) 2020-04-23 2021-04-22 Towed vehicle basic principle mechanism with steering axle and non-steering axle capable of being parallel during steering

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Application publication date: 20200728