阅读说明：本技术 Z型高折展比小型月球车 (Z-shaped small lunar vehicle with high folding-unfolding ratio ) 是由 唐加琪 仲苏 周琦伦 王享龙 兰宇 邹猛 于 2021-09-10 设计创作，主要内容包括：Z型高折展比小型月球车,其车体通过四个电机与车梁连接,车梁另一端连接两个车头,两个车头分别有两个电机与四个转动杆相连,转动杆另一端连接扭矩梁悬架,扭矩梁悬架通过电机与车轮杆连接,车轮杆一端通过电机与车轮相连,折叠椅折叠状态呈平板状态,折叠椅通过转动副与车体相连,折叠椅收纳在车体内部的空间里；前车梁和后车梁一前一后布设,脚蹬与前车梁连接；支撑座安装在后车梁；把手伸缩杆在折叠状态下伸缩并收纳于前车梁内部中空空间。本发明采用高折展比的折展机构,用电机进行驱动,可以让月球车的携带、运输和折展十分方便,而可靠的折展机构则可以让使用人员在月球的极端条件下轻松完成展开并应对紧急情况。(The Z-shaped small lunar rover with high folding-unfolding ratio has a rover body connected with a rover beam through four motors, the other end of the rover beam is connected with two rover heads, the two rover heads are respectively provided with two motors which are connected with four rotating rods, the other end of each rotating rod is connected with a torsion beam suspension, the torsion beam suspension is connected with a rover rod through the motor, one end of the rover rod is connected with a rover wheel through the motor, a folding chair is in a flat-plate shape in a folding state, the folding chair is connected with the rover body through a revolute pair, and the folding chair is accommodated in a space inside the rover body; the front vehicle beam and the rear vehicle beam are arranged in tandem, and the pedals are connected with the front vehicle beam; the supporting seat is arranged on the rear vehicle beam; the handle telescopic rod is telescopic and contained in the hollow space inside the front vehicle beam in a folded state. The folding and unfolding mechanism with high folding and unfolding ratio is driven by a motor, so that the lunar vehicle is very convenient to carry, transport and fold and unfold, and the reliable folding and unfolding mechanism can enable users to easily unfold the lunar vehicle under the extreme conditions of the moon and deal with emergency situations.)

1. The utility model provides a small-size lunar rover of high exhibition ratio of Z type which characterized in that: comprises wheels (1), wheel rods (2), a torque beam suspension (3), a rotating rod (4), a gear (5), a motor (6), a vehicle head (7), a vehicle beam (8), pedals (9), a vehicle body (10), a handle telescopic rod (11), a folding chair (12), a supporting seat (13), a vehicle head gear (14) and an intermediate transmission gear (15); the vehicle beam (8) comprises a front vehicle beam and a rear vehicle beam;

the folding chair is characterized in that a vehicle body (10) is connected with a vehicle beam (8) through four motors (6), the other end of the vehicle beam (8) is connected with two vehicle heads (7), the two vehicle heads (7) are respectively provided with two motors (6) which are connected with four rotating rods (4), the other end of each rotating rod (4) is connected with a torque beam suspension (3), the torque beam suspension (3) is connected with a wheel rod (2) through the motors (6), one end of the wheel rod (2) is connected with a wheel (1) through the motors (6), a folding chair (12) is in a flat plate state in a folded state, the folding chair (12) is connected with the vehicle body (10) through a rotating pair, and the folding chair (12) is accommodated in a space inside the vehicle body (10); the front vehicle beam and the rear vehicle beam are arranged in tandem, the pedal (9) is connected with the front vehicle beam, and the joint of the pedal (9) and the front vehicle beam is the front end of the front vehicle beam; the supporting seat (13) is arranged on the rear vehicle beam, and the joint of the supporting seat (13) and the rear vehicle beam is the rear end of the rear vehicle beam; the handle telescopic rod (11) is telescopic in a folded state and is accommodated in the hollow space inside the front vehicle beam; forming a folding telescopic structure similar to a loop bar.

2. The Z-shaped small lunar vehicle with high folding and unfolding ratio as claimed in claim 1, wherein: differential steering is used.

Technical Field

The invention belongs to the field of aerospace, and particularly relates to a Z-shaped small lunar vehicle with a high folding-unfolding ratio.

Background

Various vehicles are provided with matched emergency equipment such as escape hatches of automobiles, life rafts of airplanes and the like.

Along with the launching of Chang 'e three and Chang' e four, the moon unmanned detection technology in China is basically mature, and the manned lunar landing also provides a schedule. The method provides a coping scheme for the smooth implementation of manned lunar landing projects and possible emergency situations on the lunar surface, and carries out technical reserve for constructing a perspective target for a subsequent lunar base. The manned emergency lunar vehicle needs to be researched and designed in advance, and a small emergency lunar vehicle with excellent performance and high folding and unfolding ratio can provide a guarantee for the safety of astronauts.

Disclosure of Invention

The space probe is sent into space by the carrier rocket, but the carrying space of the carrier rocket is very limited.

In order to reduce the occupied space of an emergency vehicle during transportation and improve the feasibility of transportation of the emergency vehicle, a Z-shaped folding and unfolding mechanism is designed. The arrangement scheme that the electric push rods are staggered and matched with the side plate sleeves is adopted. Reasonable structure utilization and increased size of the electric push rod. Under the condition that the size of the electric push rod is limited, the transverse unfolding size of the whole automobile body is improved. The main body of the rear sweep adopts two sections of sleeve type, and the main body of the rear sweep can rotate around the axis thereof by installing a motor so as to be matched with the structure of the rear sweep. Each wheel is controlled by an independent motor, a differential rotating structure is adopted, a traditional mechanical rotating structure is abandoned, and the transportation space is saved.

Considering that under the severe condition of space, the action of an astronaut is greatly limited, a motor is arranged at a key part to assist the astronaut to fold and unfold.

A Z-shaped small lunar rover with high folding-unfolding ratio comprises wheels, wheel rods, a torque beam suspension, a rotating rod, a gear, a motor, a head, a beam, pedals, a rover body, a handle telescopic rod, a folding chair, a supporting seat, a head gear and a middle transmission gear; the vehicle beam comprises a front vehicle beam and a rear vehicle beam;

the folding chair is characterized in that the vehicle body is connected with the vehicle beam through four motors, the other end of the vehicle beam is connected with two vehicle heads, the two vehicle heads are respectively provided with two motors which are connected with four rotating rods, the other end of each rotating rod is connected with a torque beam suspension, the torque beam suspension is connected with a wheel rod through a motor, one end of the wheel rod is connected with a wheel through a motor, the folding chair is in a flat-plate shape in a folding state, the folding chair is connected with the vehicle body through a revolute pair, and the folding chair is accommodated in a space inside the vehicle body; the front vehicle beam and the rear vehicle beam are arranged in tandem, the pedal is connected with the front vehicle beam, and the joint of the pedal and the front vehicle beam is the front end of the front vehicle beam; the supporting seat is arranged on the rear vehicle beam, and the joint of the supporting seat and the rear vehicle beam is the rear end of the rear vehicle beam; the handle telescopic rod is telescopic in a folded state and is accommodated in the hollow space inside the front vehicle beam; forming a folding telescopic structure similar to a loop bar.

The Z-shaped small lunar vehicle with high folding-unfolding ratio adopts differential steering.

The working process and principle of the invention are as follows:

the motor, the rotating rod and the gear form a transverse unfolding mechanism, the rotating rod is connected with the torque beam suspension and forms a 90-degree angle with the torque beam suspension when in a folded state, the length direction of the rotating rod is consistent with the length direction of a front vehicle beam, the rotating rod rotates 90 degrees relative to the initial position when in an unfolded state, the gear is transmitted to the gear on the torque beam suspension through the gear belt transmission by the gear on the vehicle head through the intermediate transmission gear, so that the torque beam suspension rotates 90 degrees in the reverse direction, and the included angle between the rotating rod and the torque beam suspension is changed into zero to form a straight line; because the length of the rotating rod becomes a component of the transverse size of the whole vehicle, the transverse size of the whole vehicle is increased, and the unfolding is realized.

The lunar rover realizes the extension of the longitudinal dimension through the expansion of a Z-shaped structure, the two rover beams are connected with the rover body through two pairs of four groups of motors, at the beginning, the front rover beam, the rover body and the rear rover beam are Z-shaped, only the rear rover beam is parallel to the horizontal ground, at the moment, only the supporting seat is in contact with the ground, when the lunar rover expands, the motors drive the front rover beam to rotate with the rover body, the rover body rotates relative to the rear rover beam, the front rover beam rotates relative to the rover body, meanwhile, the motor connected with the torque beam suspension frame rotates the wheel rods of the rover body to enable the two wheels at the front part of the rover body to be separated from the ground under the driving of the wheel rods, so that the front rover beam, the rear rover beam and the rover body rotate to the same horizontal plane, the whole rover body is enabled to lie flat towards the ground and changed into a straight shape from the Z-shaped structure, and the lunar rover realizes the longitudinal extension to complete the expansion.

In the vertical direction, one end of a wheel rod is connected with a motor and a torque beam suspension, the other end of the wheel rod is connected with a wheel, the motor on the torque beam suspension drives the wheel rod to rotate downwards to force the wheel to touch the ground and react on a vehicle body, so that the whole vehicle body is lifted to obtain a certain ground clearance, and the lunar rover is mainly matched with a rod piece, a motor and a gear transmission mechanism in a Z-shaped folding and unfolding mode to realize the unfolding and folding in three directions.

Folding chair is folding accomodate in the bottom plate space, and manual expansion is spacing by the auto-lock, and the handle telescopic link is accomodate in the front-axle beam cavity during folding, forms similar loop bar structure, and it is spacing that its structure is inside to have two spring pin axles, and through manually operation's mode, pull out and extend folding flexible handle.

The invention has the beneficial effects that:

the invention relates to an emergency device for astronauts working on the moon surface, which adopts a folding and unfolding mechanism with high folding and unfolding ratio and is driven by a motor, so that the lunar vehicle can be conveniently carried, transported and folded and unfolded, and the reliable folding and unfolding mechanism can enable users to easily complete unfolding under the extreme conditions of the moon and deal with emergency situations. The lunar rover adopts differential steering, so that the structure is simpler.

Drawings

FIG. 1 is a schematic view of a Z-shaped small lunar vehicle with a high folding ratio in a folded state;

FIG. 2 is a schematic view of a Z-shaped small lunar vehicle with a high folding-unfolding ratio in a unfolded state;

fig. 3 is a schematic view illustrating a process of unfolding a Z-shaped small lunar vehicle with a high folding and unfolding ratio.

Wherein: 1-vehicle wheels; 2-wheel lever; 3-a torsion beam; 4-rotating the rod; 5-a gear; 6, a motor; 7-vehicle head; 8-a vehicle beam; 9-pedaling; 10-a vehicle body; 11-handle telescopic rod; 12-a folding chair; 13-a support base; 14-a headstock gear; 15-intermediate transmission gear.

Detailed Description

The invention aims to provide emergency measures under emergency conditions for lunar surface activities of astronauts, provides an efficient folding and unfolding scheme for a small lunar vehicle through the concept design of a small concept lunar vehicle with a high folding and unfolding ratio based on the concept, can be used as an emergency scheme for the lunar surface activities of the astronauts, and has certain significance for modern manned lunar landing projects.

A Z-shaped small lunar rover with high folding-unfolding ratio comprises wheels 1, wheel rods 2, a torque beam suspension 3, a rotating rod 4, a gear 5, a motor 6, a head 7, a beam 8, pedals 9, a rover body 10, a handle telescopic rod 11, a folding chair 12, a supporting seat 13, a head gear 14 and an intermediate transmission gear 15; the vehicle beam 8 comprises a front vehicle beam and a rear vehicle beam;

the folding chair is characterized in that a vehicle body 10 is connected with a vehicle beam 8 through four motors 6, the other end of the vehicle beam 8 is connected with two vehicle heads 7, the two vehicle heads 7 are respectively provided with two motors 6 which are connected with four rotating rods 4, the other end of each rotating rod 4 is connected with a torque beam suspension 3, the torque beam suspension 3 is connected with a wheel rod 2 through the motor 6, one end of the wheel rod 2 is connected with a wheel 1 through the motor 6, the folding chair 12 is in a flat-plate shape in a folding state, the folding chair 12 is connected with the vehicle body 10 through a revolute pair, and the folding chair 12 is accommodated in a space inside the vehicle body 10; the front vehicle beam and the rear vehicle beam are arranged in tandem, the pedal 9 is connected with the front vehicle beam, and the joint of the pedal 9 and the front vehicle beam is the front end of the front vehicle beam; the supporting seat 13 is arranged on the rear vehicle beam, and the joint of the supporting seat 13 and the rear vehicle beam is the rear end of the rear vehicle beam; the handle telescopic rod 11 is telescopic in a folded state and is accommodated in a hollow space inside the front vehicle beam; forming a folding telescopic structure similar to a loop bar.

The Z-shaped small lunar vehicle with high folding-unfolding ratio adopts differential steering,

the working process and principle of the invention are as follows:

the motor 6, the rotating rod 4 and the gear 5 form a transverse unfolding mechanism, the rotating rod 4 is connected with the torque beam suspension 3 and forms a 90-degree angle with the torque beam suspension 3 when in a folding state, the length direction of the rotating rod is consistent with the length direction of a front vehicle beam, the rotating rod 4 rotates 90 degrees relative to the initial position when in unfolding, the gear 5 is transmitted to the gear 5 on the torque beam suspension 3 through the gear 14 of the vehicle head 7 through the middle transmission gear 15 through the toothed belt transmission to enable the torque beam suspension 3 to rotate 90 degrees in the reverse direction, so that the included angle between the rotating rod 4 and the torque beam suspension 3 is changed into zero, and a straight line is formed; because the length of the rotating rod 4 becomes a component of the transverse size of the whole vehicle, the transverse size of the whole vehicle is increased, and the unfolding is realized.

The lunar rover realizes the extension of the longitudinal dimension through the unfolding of a Z-shaped structure, the two beams are connected with a rover body 10 through two pairs of four groups of motors 6, at first, the front rover beam, the rover body 10 and a rear rover beam 8 are Z-shaped, only the rear rover beam is parallel to the horizontal ground at first, at the moment, only the supporting seat 13 is in contact with the ground, when the lunar rover is unfolded, the motors 6 drive the front rover beam and the rover body 10 to rotate, the rover body 10 rotates relative to the rear rover beam, the front rover beam rotates relative to the rover body 10, meanwhile, the motors 6 connected with the torque beam suspension 3 rotate the wheel rods 2 to enable two wheels at the front part of the lunar rover to be separated from the ground under the driving of the wheel rods 2, so that the front rover beam and the rover body 10 rotate to the same horizontal plane, the whole lunar rover can lie flat on the ground and is changed into a straight shape from the Z-shaped structure, and the lunar rover realizes the longitudinal extension to finish the unfolding.

In the vertical direction, one end of a wheel rod 2 is connected with a motor 6 and a torque beam suspension 3, one end of the wheel rod is connected with a wheel 1, the motor 6 on the torque beam suspension 3 drives the wheel rod 2 to rotate downwards to force the wheel 1 to touch the ground and react on a vehicle body, so that the whole vehicle body is lifted to obtain a certain ground clearance, and the lunar rover is mainly matched with a rod piece, a motor and a gear transmission mechanism in a Z-shaped folding and unfolding mode to realize the unfolding and folding in three directions.

Folding chair 12 is folding accomodate in the bottom plate space, and manual expansion receives the auto-lock spacing, and handle telescopic link 11 is accomodate in the front beam hollow during folding, forms similar loop bar structure. The structure is internally provided with two spring pin shaft limiting devices, and the folding telescopic handle 11 is pulled out and extended in a manual operation mode.

The Z-shaped small lunar vehicle with high folding and unfolding ratio adopts differential steering, so that the structure is simpler.