CN-122008383-A - Driving steering control device

CN122008383ACN 122008383 ACN122008383 ACN 122008383ACN-122008383-A

Abstract

The invention discloses a driving steering control device which comprises an input shaft driving part, an input shaft, a transmission shaft, a plurality of multi-stage gears, a left output shaft and a right output shaft, wherein the input shaft driving part is arranged in a box body in a horizontal rotating mode, the input shaft driving part drives the input shaft to rotate, a transmission main gear is arranged on the input shaft, the transmission shaft is horizontally arranged in the box body in a parallel and interval mode, the transmission shaft is sequentially sleeved with the plurality of multi-stage gears at intervals along the axial direction, the multi-stage gears are even in number and are symmetrically arranged on the transmission shaft through the axis of the transmission shaft, transmission pinion gears meshed with the transmission gears are further arranged on the transmission shaft, one end of the left output shaft, which extends out of the box body, is connected with the left driving wheel, one end of the right output shaft, which extends out of the box body, is connected with the right driving wheel, and a plurality of matched gears matched with the multi-stage gears are correspondingly arranged on the left output shaft and the right output shaft to form a multi-stage transmission ratio. By the aid of the printer steering control method and the printer steering control device, flexible steering capability of the printer is improved.

Inventors

DONG YUWEI
JIANG YINJIA
ZHU JIACHENG
TANG PENG
ZHANG WANQI
ZHANG HANCHENG
ZHANG HANZHOU
CHEN YUETIAN
GE SHAOJIE

Assignees

淮阴工学院

Dates

Publication Date: 20260512
Application Date: 20230303

Claims (6)

1. A drive steering control apparatus, characterized by comprising: a case (200); An input shaft driving member (20) provided in the case (200); The input shaft is horizontally and rotatably arranged in the box body (200) and is driven to rotate by the input shaft driving piece (20), and a transmission main gear (211) is arranged on the input shaft; The transmission shaft (22) is horizontally and rotatably arranged in the box body (200) and is arranged in parallel with the input shaft at intervals, a multistage gear set capable of sliding along the axial direction is sleeved on the transmission shaft (22), and a transmission pinion (222) meshed with the transmission main gear (211) is fixedly arranged on the transmission shaft (22); the left output shaft (23) and the right output shaft (24), wherein the left output shaft (23) and the right output shaft (24) are coaxial and horizontally oppositely arranged in the box body (200) and are parallel to the transmission shaft (22) at intervals, one end of the left output shaft (23) is used for being connected with a left driving wheel (232), one end of the right output shaft (24) is used for being connected with a right driving wheel (242), and the left output shaft (23) and the right output shaft (24) are respectively fixedly provided with a matched gear set for being selectively meshed with the multistage gear set so as to form multistage transmission ratios; a gear drive (25) for driving the multi-stage gear set to axially slide along the drive shaft (22) to adjust the transmission ratio of the left output shaft (23) to the right output shaft (24); the left output shaft (23) comprises a left shaft body, the left shaft body is rotatably arranged in the box body (200) in a penetrating manner, and a first step, a second step, a third step and a fourth step with gradually reduced diameters are sequentially formed on the left shaft body along the axial direction of the left shaft body; The right output shaft (24) comprises a right shaft body, the right shaft body is rotatably arranged in the box body (200) in a penetrating manner, and a fifth step, a sixth step, a seventh step and an eighth step with gradually reduced diameters are sequentially formed on the right shaft body along the axial direction of the right shaft body; The first spline, the second spline and the third spline are respectively used for being meshed with gears in the matched gear set.
2. An application of a driving steering control device in a 3D printer mobile chassis.
3. A 3D printer mobile chassis comprising the drive steering control of claim 1.
4. A 3D printer mobile chassis according to claim 3, further comprising: A chassis main body (10), a box body (200) is arranged below the chassis main body (10); The multi-stage gear comprises a first gear, a second gear, a third gear and a fourth gear which are sleeved in sequence at intervals along the axial direction of a transmission shaft (22), wherein a fifth gear and a sixth gear which can form transmission fit with the first gear and the second gear are fixedly arranged on a left output shaft (23), a seventh gear and an eighth gear which can form transmission fit with the third gear and the fourth gear are fixedly arranged on a right output shaft (24), the first gear and the fifth gear and the sixth gear and the eighth gear form a first-stage transmission ratio, and the second gear and the sixth gear and the third gear and the seventh gear form a second-stage transmission ratio; The gear driving part (25) comprises a first driving part, a second driving part and a third connecting part, wherein the first driving part is fixedly connected with the second gear through a first connecting part, the first driving part is provided with a first power unit, the first driving part can drive the first connecting part to horizontally slide along the axial direction of the transmission shaft (22) through the driving force provided by the first power unit, the second driving part is provided with a second power unit, and the second driving part can drive the second connecting part to horizontally slide along the axial direction of the transmission shaft (22) through the driving force provided by the second power unit; the support mechanism (40) is provided with four groups and is respectively arranged on four corners of the chassis main body (10), the support mechanism (40) comprises a first support column driving piece and a first support column, the first support column driving piece is arranged on the chassis main body (10), and the first support column is driven by the first support column driving piece to be supported or far away from the ground; Auxiliary wheel mechanism (50), auxiliary wheel mechanism (50) have arranged two sets of, and arrange respectively two sets of between box (200), and are located the both sides of chassis main part (10), symmetrical arrangement, auxiliary wheel mechanism (50) include auxiliary wheel driving piece and auxiliary wheel, auxiliary wheel driving piece locates on chassis main part (10), the auxiliary wheel is supported in ground and makes the front wheel perk of box (200) leave ground by auxiliary wheel driving piece drive.
5. The 3D printer mobile chassis of claim 4, further comprising a shock absorbing mechanism (30), the shock absorbing mechanism (30) comprising: the mounting column is arranged at the center of the bottom of the chassis main body, and the bottom of the mounting column is provided with a countersunk groove; The connecting column is rotationally arranged at the top of the box body (200), and the top end of the connecting column is provided with a movable groove; The hydraulic shock absorber piston is arranged between the mounting column and the connecting column, and two ends of the hydraulic shock absorber piston are respectively matched with the countersunk head groove and the movable groove.
6. The 3D printer mobile chassis of claim 4, wherein the rear end of the case (200) is further provided with a left driven wheel and a right driven wheel.

Description

Driving steering control device The application discloses a mobile chassis of a house 3D printer, which is flexibly rotated, and the application number is 202310197971.9, and the application date is 2023, 3 months and 3 days. Technical Field The invention relates to the technical field of 3D printing mobile equipment, in particular to a mobile chassis of a house 3D printer, which can flexibly rotate. Background 3D printers have gradually begun to be used in building construction, but existing concrete printers require parts to be transported to a site for in-situ assembly, have long preparation time, and reduce construction efficiency. The existing concrete printer occupies a large area, and the building of the house requires a large space, which affects the peripheral building tasks. The existing concrete printer has high requirement on the flatness of the ground, and the building precision can be reduced due to the unevenness of the ground. The existing concrete printer has no chassis, cannot automatically transfer positions, needs workers to assist in carrying, and consumes additional manpower. In the process of building the house, the 3D printer needs to be kept at a certain fixed position for a long time, needs to bear a larger fixed load and needs to have strong stability, and meanwhile, in the moving process of the 3D printer, the chassis is influenced by rugged ground of a working environment and needs to have the capability of heavy-load low-speed steering; in view of this, there is a need for an improvement to the chassis of the prior art to solve the above-mentioned problems. Disclosure of Invention The invention aims to disclose a movable chassis of a house 3D printer, which can flexibly rotate, so as to solve the technical problems and realize flexible driving and steering. In order to achieve the above object, the present invention provides a flexible rotary house 3D printer mobile chassis, comprising: The chassis main body is provided with a main body, The box body is arranged below the chassis main body, and a damping mechanism is connected between the box body and the chassis main body; The input shaft driving piece is arranged in the box body; The input shaft is horizontally and rotatably arranged in the box body and is driven to rotate by the input shaft driving piece, and a transmission main gear is arranged on the input shaft; The transmission shafts are horizontally and rotatably arranged in the box body and are arranged at intervals parallel to the input shaft, a plurality of multi-stage gears are sleeved on the transmission shafts at intervals in sequence along the axial direction, the number of the multi-stage gears is even, the transmission shafts are symmetrically arranged on the transmission shafts according to the axle centers of the transmission shafts, the number of teeth of each pair of multi-stage gears is different, and transmission pinion gears meshed with the transmission gears for transmission are further arranged on the transmission shafts; The left output shaft and the right output shaft are coaxially and horizontally arranged in opposite directions, are rotatably arranged in the box body and are parallel to the transmission shaft at intervals; the left output shaft and the right output shaft are correspondingly provided with a plurality of matched gears which are matched with the multistage gears for transmission so as to form multistage transmission ratios; and the gear driving piece is used for driving a plurality of multi-stage gears so as to adjust the transmission ratio of the left output shaft to the right output shaft, so that the chassis can realize the switching of forward, left-turning and right-turning states. As a further improvement of the invention, the multi-stage gear comprises a first gear, a second gear, a third gear and a fourth gear which are sleeved in sequence along the axial direction of the transmission shaft, and a fifth gear and a sixth gear which can form transmission fit with the first gear and the second gear are fixedly arranged on the left output shaft; a seventh gear and an eighth gear which can form transmission fit with the third gear and the fourth gear are fixedly arranged on the right output shaft; the first gear and the fifth gear, the sixth gear and the eighth gear form a first-stage transmission ratio, and the second gear and the sixth gear, the third gear and the seventh gear form a second-stage transmission ratio; and adjusting the turning radius of the chassis by adjusting the difference between the first-stage transmission ratio and the second-stage transmission ratio. As a further improvement of the invention, the first gear is fixedly connected with the second gear through a first connecting piece, the third gear is fixedly connected with the fourth gear through a second connecting piece, and the gear driving piece comprises: the first driving piece is configured with a first power unit, and the first driving piece can dri