CN214396937U

CN214396937U - Double-worm type double-motor circulating ball steering gear

Info

Publication number: CN214396937U
Application number: CN202120180821.3U
Authority: CN
Inventors: 沈亚东
Original assignee: NANTONG HUANQIU STEERING GEAR MANUFACTURE CO Ltd
Current assignee: NANTONG HUANQIU STEERING GEAR MANUFACTURE CO Ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-10-15
Anticipated expiration: 2031-01-22

Abstract

The utility model provides a two motor cycle ball steering gears of two worm formulas, include: mechanical steering ware, induction force input module, worm speed change module, drive module, induction input module installs on the torsion bar of steering wheel, and worm speed change module includes: the worm wheel is connected with the mechanical steering gear, the worm wheel is in meshed transmission with the worm, the driving module is provided with a motor, a sensor on the induction input module measures real-time linear torque of the torsion bar and then transmits data to the driving module, the driving module controls the motor to rotate according to the received data, the worm rotates under the driving of the motor to drive the worm wheel to rotate, and the worm wheel is connected with the mechanical steering gear to drive the mechanical steering gear to rotate correspondingly. The utility model discloses an input module input torque has saved the design and the technology of the whole valve body of original hydraulic pressure, utilizes drive module to realize the real-time rotation of motor to replace hydraulic drive's global design thinking, save a large amount of costs and cost of maintenance.

Description

Double-worm type double-motor circulating ball steering gear

Technical Field

The utility model relates to a steering gear field especially relates to a two motor cycle ball steering gears of two worm formulas.

Background

The whole steering system of the light truck is an important direction for intelligent driving, the steering gear is an important aspect of automation, and in the past, the mechanical steering gear is very heavy to drive and is very dangerous in emergency. And the subsequent hydraulic steering gear has high processing technology requirement, easy card sending, high oil quality requirement and expensive maintenance cost. The modular structure is an important aspect of overall design and structural innovation, is easy to detect and replace, reduces the cost and improves the safety. The induction input module can be very light by virtue of an electric control structure, and the unmanned driving can meet the general trend of national intellectualization.

Disclosure of Invention

To the problem in the above-mentioned background art, the utility model provides a two motor cycle ball steering gear of two worm formulas, include: mechanical steering gear, its characterized in that still includes: the sensing force input module, worm speed change module, drive module, mechanical steering gear, the sensing input module is installed on the torsion bar of steering wheel, worm speed change module includes: the worm wheel is in transmission with the mechanical steering gear in a matched mode, the worm wheel is in meshing transmission with the worm, a motor is arranged on the driving module, a rotating shaft of the motor is connected with the worm, a sensor on the induction input module measures real-time linear torque of the torsion bar and then transmits the real-time linear torque to the driving module, the driving module controls the motor to rotate according to received data, the worm rotates under the driving of the motor to drive the worm wheel to rotate, and the worm wheel is in transmission matching with the mechanical steering gear to drive the mechanical steering gear to rotate correspondingly.

Further, two worms on the worm speed change module are respectively: first worm, second worm, it is respectively to be equipped with two motors on the drive module: the worm gear comprises a first motor and a second motor, wherein a rotating shaft of the first motor is connected with the first worm, a rotating shaft of the second motor is connected with a rotating shaft of the second worm, and the first worm is in meshing transmission with the second worm.

Furthermore, a control center is arranged on the driving module, and the control center can receive the information data measured by the induction input module and respectively control the first motor and the second motor to rotate correspondingly.

Furthermore, the control center receives the information data measured by the induction input module and then compares the information data with the linear programs established by the first motor and the second motor in real time, so that the control center can be quickly adjusted.

Compared with the prior art, the utility model provides a two motor cycle ball steering gears of two worm formulas has following beneficial effect:

1. the utility model discloses an input module input torque has saved the design and the technology of the whole valve body of original hydraulic pressure, utilizes drive module to realize the real-time rotation of motor to replace hydraulic drive's global design thinking, save a large amount of costs and cost of maintenance.

2. The utility model discloses a worm speed change module is equipped with two screw rods and forms resultant force moment of torsion to reduce single motor physical sum output, work as the emergence emergency simultaneously: when one motor is damaged, the other motor can be used for standby.

Description of the drawings:

fig. 1 is a front view of a double-worm type dual-motor recirculating ball steering gear.

FIG. 2 is a side view of a dual-worm, dual-motor recirculating ball steering gear.

Fig. 3 is a bottom view of a double-worm dual-motor recirculating ball steering gear.

Wherein: 1-an induction input module; 2-worm speed changing module; 3-a drive module; 4-a mechanical diverter; 5-output drop arm.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person having ordinary skill in the art without creative efforts shall belong to the protection scope of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

The present invention will be described in detail with reference to the drawings, and in order to describe the embodiments of the present invention in detail, the cross-sectional view showing the structure of the device will not be enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Meanwhile, in the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper, lower, inner and outer" and the like are based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms first, second, or third are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The terms "mounted, connected and connected" in the present application are to be understood broadly, unless otherwise explicitly stated or limited, for example: can be fixedly connected, detachably connected or integrally connected; they may be mechanically, electrically, or directly connected, or indirectly connected through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, the utility model provides a double-worm type double-motor recirculating ball steering gear, which comprises: the mechanical steering gear 4 is characterized by further comprising: induction force input module 1, worm speed change module 2, drive module 3, induction force input module 1 installs on the torsion bar of steering wheel, worm speed change module 2 includes: worm wheel, worm, the worm wheel with mechanical steering gear 4 links to each other, the worm wheel with the worm meshing transmission, be equipped with the motor on the drive module 3, the pivot of motor with the worm is connected, the last worm of worm speed change module 2 has two to be respectively: first worm, second worm, it is respectively to be equipped with two motors on the drive module 3: the rotating shaft of the first motor is connected with the first worm, the rotating shaft of the second motor is connected with the rotating shaft of the second worm, the first worm and the second worm are in meshing transmission with the worm wheel, a sensor on the induction input module 1 measures real-time linear torque of a torsion bar and then transmits the data to the driving module 3, the driving module 3 is provided with a control center, the control center can receive information data measured by the induction input module 1 and respectively control the first motor and the second motor to correspondingly rotate, meanwhile, the control center receives the information data measured by the induction input module 1 and then compares the information data with linear programs set by the first motor and the second motor in real time so as to rapidly adjust, and the worm rotates under the driving of the motors so as to drive the worm wheel to rotate, the worm gear is connected with the mechanical steering gear so as to drive the mechanical steering gear 4 to rotate correspondingly.

The mechanical steering gear is specifically a circulating ball type steering gear, the mechanical steering gear comprises a screw rod, a nut and a steel ball, the screw rod is fixedly connected with the worm gear, the nut is sleeved on the screw rod, the steel ball is installed between the screw rod and the nut to reduce friction, and finally a rocker shaft at the output end of the mechanical steering gear 4 realizes large-torque rotation output under the meshing transmission of the nut and the sector gear, so that the torque transmission and output of the vertical arm 5 are realized under the spline fit.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. A dual-worm, dual-motor recirculating ball redirector, comprising: mechanical steering gear, its characterized in that still includes: the sensing force input module is installed on a torsion bar of a steering wheel, and the worm speed change module comprises: the worm wheel is connected with the mechanical steering gear, the worm wheel and the worm are in meshed transmission, a motor is arranged on the driving module, a rotating shaft of the motor is connected with the worm, a sensor on the induction force input module measures real-time linear torque of the torsion bar and then transmits the real-time linear torque to the driving module, the driving module controls the motor to rotate according to received data, the worm is driven by the motor to rotate so as to drive the worm wheel to rotate, and the worm wheel is connected with the mechanical steering gear so as to drive the mechanical steering gear to rotate correspondingly.

2. The dual-worm dual-motor recirculating ball steering gear of claim 1, wherein the two worms of said worm gear shifting module are respectively: first worm, second worm, it is respectively to be equipped with two motors on the drive module: the worm gear comprises a first motor and a second motor, wherein a rotating shaft of the first motor is connected with the first worm, a rotating shaft of the second motor is connected with a rotating shaft of the second worm, and the first worm is in meshing transmission with the second worm.

3. The double-worm double-motor recirculating ball steering gear according to claim 2, wherein the driving module is provided with a control center, and the control center can receive information data measured by the induction force input module and respectively control the first motor and the second motor to rotate correspondingly.

4. The dual-worm dual-motor recirculating ball redirector as defined in claim 3, wherein the control center receives information data from the force sensing input module and compares the information data with predetermined linear programs for the first and second motors in real time to make rapid adjustments.