CN214930054U

CN214930054U - Mode switching limit structure based on commercial vehicle line control is to system

Info

Publication number: CN214930054U
Application number: CN202121339072.0U
Authority: CN
Inventors: 王双
Original assignee: Hanwo Technology Wuhan Co ltd
Current assignee: Hanwo Technology Wuhan Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-11-30
Anticipated expiration: 2031-06-17

Abstract

The utility model discloses a mode switch limit structure based on commercial traffic lane control is to system, the reducing gear box of establishing including steering spindle and outside cover, the top right side fixed connection's of reducing gear box motor case, and motor incasement motor output shaft's bottom and the interior driving gear fixed connection of reducing gear box, the surface of steering spindle is equipped with the mode switch structure through key and keyway cooperation slip cover, the mode switch structure reciprocates the separation and the connection that realize reducing gear box and steering spindle, the utility model relates to a vehicle steering technical field. This mode switch limit structure based on commercial traffic lane control to system can realize the switching of two modes of unmanned and manual driving through reciprocating of control mode switch structure, and through setting up stop gear, steerable mode switch structure reciprocates, is convenient for switch over the driving mode in a flexible way, can restrict the position of mode switch structure simultaneously, avoids two kinds of operation modes to interfere with each other.

Description

Mode switching limit structure based on commercial vehicle line control is to system

Technical Field

The utility model relates to a vehicle steering mechanism technical field specifically is a mode switch limit structure to system based on commercial traffic lane control.

Background

The vehicle steering mechanism is used for controlling the running direction of various wheeled or tracked vehicles. After the trapezoidal link steering mechanism is invented at the end of the 19 th century, the automobile adopts wheel steering generally. To make the structure simple, most vehicles steer with front wheels. The steering mechanism of a wheeled vehicle generally consists of a steering gear and a steering linkage. When power steering is adopted, a hydraulic pump, an operating valve, an acting cylinder and an oil storage tank are also required to be equipped, and the hydraulic pump, the operating valve, the acting cylinder and the oil storage tank are called a hydraulic power-assisted mechanism together.

The existing vehicle with the unmanned technology can realize the manual mode and the electric control mode of direction shaft switching by utilizing the corresponding mode switching device, but the existing mode switching device has a complex structure and is not convenient for control operation, and when the mode switching device is switched, the angle metering structure is synchronously started, but the mode switching device cannot be quickly switched, so that errors are easy to occur in the process.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a mode switch limit structure based on commercial traffic lane control is to system has solved the complicated control operation of being not convenient for of current mode switching device structure, and the unable fast switch-over of mode switching device, and the problem of error easily appears in this in-process angle measurement.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a mode switch limit structure to system based on commercial traffic lane control, includes steering spindle and the reducing gear box that outside cover was established, the motor case of the top right side fixed connection of reducing gear box, and the bottom of motor output shaft in the motor case and driving gear fixed connection in the reducing gear box, the surface of steering spindle is through the slip cover of key and keyway cooperation to be equipped with the mode switch structure, the mode switch structure reciprocates and realizes separation and the connection of reducing gear box and steering spindle.

Fixedly connected with frame between the left side at gear box top and the top of motor case, and the bottom of frame is provided with stop gear, stop gear includes the central fixedly connected with electric putter of bottom, electric putter's bottom fixedly connected with link, the equal fixedly connected with stay cord in both ends at link top, the outside top cover of mode switching structure is equipped with the bearing, and both sides respectively with the one end fixed connection of two stay cords around the bearing, two sets of U type framves of left side fixedly connected with of frame bottom, and the surface cover of U type frame is equipped with the cylinder, the surperficial sliding connection of stay cord and cylinder.

Preferably, the mode switching structure comprises a prismatic shaft sleeve sleeved outside the steering shaft, a metal ring plate is fixedly connected to the top of the prismatic shaft sleeve, a T-shaped cylinder is fixedly connected to the top of the metal ring plate, and the bearing sleeve is sleeved outside the T-shaped cylinder.

Preferably, the reduction box comprises a bottom box and a box cover fixedly connected to the top of the bottom box, driven gears are rotatably connected between the left sides of the bottom box and the box cover through first steel balls, and prismatic holes matched with prismatic shaft sleeves are formed in the centers of the driven gears.

Preferably, the frame is all run through at the both ends of U type frame, the both ends of U type frame and the equal threaded connection in top that is located the frame have the thread bush.

Preferably, the top of the reduction gearbox is located the front and back both sides of steering shaft and all fixedly connected with electrode slice, and the top of electrode slice rotates and is connected with a plurality of second steel balls, the top of reduction gearbox is located the left and right sides of steering shaft and all fixedly connected with magnetic sheet.

Preferably, the bottom fixedly connected with cover of reducing gear box is established at angle sensor, and all through wire electric connection between angle sensor and two electrode slices, and the equal fixedly connected with cover in both sides is equipped with the outside wire casing of wire around the reducing gear box.

Advantageous effects

The utility model provides a mode switch limit structure to system based on commercial traffic lane control. Compared with the prior art, the method has the following beneficial effects:

(1) this mode switch limit structure based on commercial traffic lane control to system can realize the switching of two modes of unmanned and manual driving through reciprocating of control mode switch structure, and through setting up stop gear, steerable mode switch structure reciprocates, is convenient for switch over the driving mode in a flexible way, can restrict the position of mode switch structure simultaneously, avoids two kinds of operation modes to interfere with each other.

(2) This mode switch limit structure to the system based on commercial traffic lane control, through set up angle sensor in the steering spindle outside, can control the turned angle of steering spindle in a flexible way, and set up the cooperation of electrode slice and mode switch structure's metal ring plate, when mode switch structure drops, during the second steel ball on two sets of electrode slices is pressed to the metal ring plate crimping, can realize switching on of angle sensor circuit, and then make angle sensor begin to measure, guarantee the sensitivity that detects, and angle sensor is out of work when artifical driving state, can reduce the consumption, high durability and convenient use.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

fig. 2 is a perspective view of the limiting mechanism of the present invention;

FIG. 3 is a partial structural sectional view of the reduction box of the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: the device comprises a steering shaft 1, a reduction gearbox 2, a bottom box 21, a box cover 22, a first steel ball 23, a driven gear 24, a prism hole 25, a motor box 3, a mode switching structure 4, a prism shaft sleeve 41, a metal ring plate 42, a T-shaped cylinder 43, a frame 5, a limiting mechanism 6, an electric push rod 61, a connecting frame 62, a pull rope 63, a bearing 64, a threaded sleeve 65, a U-shaped frame 66, a roller 67, an electrode plate 7, a second steel ball 8, a magnetic sheet 9, an angle sensor 10 and a wire protecting tube 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a mode switch limit structure to system based on control of commercial traffic route, includes reducing gear box 2 that steering spindle 1 and outside cover were established, the motor case 3 of the top right side fixed connection of reducing gear box 2, and the bottom of motor output shaft in the motor case 3 and driving gear fixed connection in the reducing gear box 2, the surface of steering spindle 1 is through the key with keyway cooperation slip cover be equipped with mode switch structure 4, mode switch structure 4 reciprocates and realizes separation and the connection of reducing gear box 2 and steering spindle 1.

A frame 5 is fixedly connected between the left side of the top of the reduction gearbox 2 and the top of the motor box 3, a limiting mechanism 6 is arranged at the bottom of the frame 5, the limiting mechanism 6 comprises an electric push rod 61 fixedly connected at the center of the bottom, a connecting frame 62 is fixedly connected at the bottom end of the electric push rod 61, pull ropes 63 are fixedly connected at both ends of the top of the connecting frame 62, a bearing 64 is sleeved at the top end of the outer part of the mode switching structure 4, the front side and the back side of the bearing 64 are fixedly connected with one end of the two pull ropes 63 respectively, two groups of U-shaped frames 66 are fixedly connected at the left side of the bottom of the frame 5, a roller 67 is sleeved on the surface of each U-shaped frame 66, the pull ropes 63 are connected with the surface of the roller 67 in a sliding manner, both ends of each U-shaped frame 66 penetrate through the frame 5, threaded sleeves 65 are connected at both ends of the U-shaped frames 66 and positioned at the top of the frame 5, and the switching between two modes of unmanned driving and manual driving can be realized by controlling the mode switching structure 4 to move up and down, and through setting up stop gear 6, steerable mode switching structure 4 reciprocates, is convenient for switch over the driving mode in a flexible way, can restrict the position of mode switching structure 4 simultaneously, avoids two kinds of operation modes to interfere with each other.

The mode switching structure 4 comprises a prismatic shaft sleeve 41 sleeved outside the steering shaft 1, a metal ring plate 42 is fixedly connected to the top of the prismatic shaft sleeve 41, a T-shaped cylinder 43 is fixedly connected to the top of the metal ring plate 42, a bearing 64 is sleeved outside the T-shaped cylinder 43, the reduction gearbox 2 comprises a bottom box 21 and a box cover 22 fixedly connected to the top of the bottom box 21, a driven gear 24 is rotatably connected between the left sides of the bottom box 21 and the box cover 22 through a first steel ball 23, and a prismatic hole 25 matched with the prismatic shaft sleeve 41 is formed in the center of the driven gear 24.

Electrode plates 7 are fixedly connected to the top of the reduction gearbox 2 and positioned on the front side and the rear side of the steering shaft 1, a plurality of second steel balls 8 are rotatably connected to the top of the electrode plates 7, magnetic sheets 9 are fixedly connected to the top of the reduction gearbox 2 and positioned on the left side and the right side of the steering shaft 1, the bottom of the reduction gearbox 2 is fixedly connected with a sleeve which is sleeved on the angle sensor 10, the angle sensor 10 is electrically connected with the two electrode plates 7 through a lead, the front side and the rear side of the reduction gearbox 2 are fixedly connected with a wire protecting pipe 11 sleeved outside the lead, the rotation angle of the steering shaft 1 can be flexibly controlled by arranging the angle sensor 10 outside the steering shaft 1, the electrode plates 7 are matched with a metal ring plate 42 of the mode switching structure 4, when the mode switching structure 4 descends, the metal ring plate 42 is pressed on the second steel balls 8 on the two groups of electrode plates 7, and the circuit of the angle sensor 10 can be switched on, and then make angle sensor 10 begin to measure, guarantee the sensitivity of detection, and angle sensor 10 does not work when the manual driving state, can reduce the consumption, convenient to use.

Meanwhile, the contents which are not described in detail in the specification belong to the prior art which is known by the person skilled in the art, and the model parameters of each electric appliance are not particularly limited, and conventional equipment can be used.

When the unmanned driving mode needs to be switched, the electric push rod 61 is controlled to contract, the connecting frame 62 is pulled upwards, the pull rope 63 is loosened, the mode switching structure 4 descends under gravity, the motor in the motor box 3 is started to work simultaneously, and then the gears in the reduction gearbox 2 and the driven gear 24 are driven to rotate, when the mode switching structure 4 descends, the prismatic shaft sleeve 41 can be inserted into the driven gear 24 until the metal ring plate 42 is pressed on the second steel ball 8, the two electrode plates 7 are indirectly communicated with the metal ring plate 42 through the second steel ball 8, and then a circuit where the angle sensor 10 is located is conducted, the angle sensor 10 starts to calculate the rotating angle of the steering shaft 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mode switch limit structure to system based on commercial traffic lane control, includes reducing gear box (2) that steering spindle (1) and outside cover were established, the top right side fixed connection's of reducing gear box (2) motor case (3), and driving gear fixed connection in motor case (3) the bottom of motor output shaft and reducing gear box (2), its characterized in that: the surface of the steering shaft (1) is slidably sleeved with a mode switching structure (4) through the matching of a key and a key groove, and the mode switching structure (4) moves up and down to realize the separation and connection of the reduction gearbox (2) and the steering shaft (1);

fixedly connected with frame (5) between the left side at reducing gear box (2) top and the top of motor case (3), and the bottom of frame (5) is provided with stop gear (6), stop gear (6) are including center fixedly connected with electric putter (61) of bottom, the bottom fixedly connected with link (62) of electric putter (61), the equal fixedly connected with stay cord (63) in both ends at link (62) top, the outside top cover of mode switching structure (4) is equipped with bearing (64), and the front and back both sides of bearing (64) respectively with the one end fixed connection of two stay cords (63), the two sets of U type framves (66) of left side fixedly connected with of frame (5) bottom, and the surface cover of U type frame (66) is equipped with cylinder (67), the surface sliding connection of stay cord (63) and cylinder (67).

2. The business vehicle line control-to-system-based mode switching limiting structure as recited in claim 1, wherein: the mode switching structure (4) comprises a prismatic shaft sleeve (41) sleeved outside the steering shaft (1), a metal ring plate (42) is fixedly connected to the top of the prismatic shaft sleeve (41), a T-shaped cylinder (43) is fixedly connected to the top of the metal ring plate (42), and the T-shaped cylinder (43) is sleeved with a bearing (64).

3. The business vehicle line control-to-system-based mode switching limiting structure as recited in claim 1, wherein: the reduction gearbox (2) comprises a bottom box (21) and a box cover (22) fixedly connected to the top of the bottom box, a driven gear (24) is rotatably connected between the left sides of the bottom box (21) and the box cover (22) through a first steel ball (23), and a prism hole (25) matched with the prism shaft sleeve (41) is formed in the center of the driven gear (24).

4. The business vehicle line control-to-system-based mode switching limiting structure as recited in claim 1, wherein: the both ends of U type frame (66) all run through frame (5), the both ends of U type frame (66) and the equal threaded connection in top that is located frame (5) have thread bush (65).

5. The business vehicle line control-to-system-based mode switching limiting structure as recited in claim 1, wherein: the top of reducing gear box (2) just is located the equal fixedly connected with electrode slice (7) in both sides around steering shaft (1), and the top of electrode slice (7) rotates and is connected with a plurality of second steel balls (8), the top of reducing gear box (2) just is located the equal fixedly connected with magnetic sheet (9) in the left and right sides of steering shaft (1).

6. The business vehicle line control-to-system-based mode switching limiting structure as recited in claim 5, wherein: the bottom fixedly connected with cover of reducing gear box (2) is established at angle sensor (10), and all through wire electric connection between angle sensor (10) and two electrode slices (7), and the equal fixedly connected with cover in both sides is equipped with outside protective wire pipe (11) of wire around reducing gear box (2).