阅读说明：本技术 一种水陆两用多功能车 (Amphibious multifunctional vehicle ) 是由 章永华 何建慧 董斯伟 于 2020-05-20 设计创作，主要内容包括：本发明公开了一种水陆两用多功能车,包括车体和四个轮子；所述车体顶部设置有能源和控制中心,能源和控制中心通过导线连接执行部件；所述车体下部设置有泡沫；车体在对应每个轮子的位置连接有固定架,固定架上连接有套筒,套筒外活动连接着轮子,套筒内设置有传动机构；固定架上设置有驱动轮子旋转的第一直流减速电机；所述轮子外侧设置有若干叶片,叶片的后端带有连杆,连杆接近尾端的部位与传动机构的铰接部铰接；所述固定架上设置有驱动传动机构沿套筒周向转动的第二直流减速电机,所述传动机构沿轴向的内外移动可实现各连杆、叶片的同步展开或折叠。本发明设计的水陆两用多功能车,其能在水上和陆地上正常行进,适合一些特种作业的需求。(The invention discloses an amphibious multifunctional vehicle, which comprises a vehicle body and four wheels, wherein the four wheels are arranged on the vehicle body; the top of the vehicle body is provided with an energy source and control center which is connected with an execution component through a lead; foam is arranged at the lower part of the vehicle body; the vehicle body is connected with a fixed frame at the position corresponding to each wheel, the fixed frame is connected with a sleeve, the outside of the sleeve is movably connected with the wheels, and a transmission mechanism is arranged in the sleeve; the fixed frame is provided with a first direct current speed reducing motor for driving the wheels to rotate; a plurality of blades are arranged on the outer side of the wheel, the rear ends of the blades are provided with connecting rods, and the parts of the connecting rods, which are close to the tail ends, are hinged with the hinged parts of the transmission mechanisms; the fixing frame is provided with a second direct current speed reducing motor for driving the transmission mechanism to rotate along the circumferential direction of the sleeve, and the transmission mechanism moves axially inwards and outwards to realize synchronous unfolding or folding of the connecting rods and the blades. The amphibious multifunctional vehicle designed by the invention can normally travel on water and land, and is suitable for the requirements of special operations.)

1. An amphibious utility vehicle comprising a vehicle body (1) and four wheels (2) arranged on the vehicle body, characterized in that: the energy and control center (3) for providing power and algorithm decision for each execution component on the vehicle body (1) is arranged at the top of the vehicle body (1), and the energy and control center (3) is connected with the execution component on the vehicle body (1) through a wire (4); the lower part of the vehicle body (1) is provided with foam (5); the bicycle is characterized in that a fixing frame (6) is connected to the position, corresponding to each wheel (2), of the bicycle body (1), a sleeve (7) is horizontally and fixedly connected to the fixing frame (6), the sleeve (7) is movably connected with the wheels (2), and a transmission mechanism capable of moving along the axial direction and rotating in the circumferential direction is arranged in the sleeve (7); the fixed frame (6) is provided with a first direct current speed reducing motor (8) which drives the wheel (2) to rotate relative to the sleeve (7); a plurality of blades (10) which are radially distributed at intervals along the circumferential direction are arranged on the outer side of the wheel (2), the rear ends of the blades (10) are provided with connecting rods (9), and the parts, close to the tail ends, of the connecting rods (9) are hinged with the hinged parts (11) of the transmission mechanism; and a second direct current speed reducing motor (14) for driving the transmission mechanism to rotate along the circumferential direction of the sleeve (7) is arranged on the fixed frame (6), and the transmission mechanism moves inwards and outwards along the axial direction to realize synchronous unfolding or folding of the connecting rods (9) and the blades (10).

2. An amphibious utility vehicle as claimed in claim 1, characterised in that: the first direct current gear motor (8) drives the wheel (2) to rotate through a first gear set (16), the first gear set (16) comprises a first gear (17) and a second gear (18) which are meshed with each other, the first gear (17) is driven by the first direct current gear motor (8), the second gear (18) is coaxially fixed on the wheel (2), and the first direct current gear motor (8) drives the wheel (2) to rotate through the meshing of the first gear (17) and the second gear (18).

3. An amphibious utility vehicle as claimed in claim 1, characterised in that: the outer end of the sleeve (7) extends along the axial direction to form a retaining ring (13); the transmission mechanism comprises a piston shaft (23) arranged in the sleeve (7), a screw rod (22) connected with the piston shaft (23) through a coupler (24) and a stepping motor (15) driving the screw rod to rotate, and the body of the stepping motor (15) and the screw rod (22) realize self-locking when the stepping motor (15) stops running; a spring installation cavity (25) is formed in the middle of the front end face of the piston shaft (23), a compression spring (26) is arranged in the spring installation cavity (25), the inner end of the compression spring (26) is connected with the bottom of the spring installation cavity (25), and the outer end of the compression spring (26) is connected with a baffle (27); the hinge part (11) is arranged at the periphery of the spring mounting cavity (25); the connecting rod (9) of each blade (10) is connected with the baffle ring (13) in an abutting mode at the outer side of the hinged portion, and the tail end of the connecting rod (9) of each blade (10) is connected with the outer side of the baffle (27) in an abutting mode to form a movable fit relation.

4. An amphibious utility vehicle as claimed in claim 3, characterised in that: a second gear set (19) is arranged between the second direct current speed reducing motor (14) and the transmission mechanism, the second gear set (19) comprises a gear three (20) and a gear four (21) which are meshed with each other, the second direct current speed reducing motor (14) is coaxially connected with the gear four (21), and a stepping motor (15) of the transmission mechanism is fixedly connected with the gear three (20); the second direct current speed reducing motor (14) drives the transmission mechanism in the sleeve (7) to rotate through the meshing rotation of the gear four (21) and the gear three (20).

5. An amphibious utility vehicle as claimed in claim 3 or claim 4 wherein: an inward-inclined notch area (28) is formed between the spring installation cavity (25) at the front end of the piston shaft (23) and the end face of the piston shaft (23), and the tail of the connecting rod (9) can smoothly enter the sleeve (7) in the rotating process conveniently.

6. An amphibious utility vehicle as claimed in any one of claims 1 to 4 wherein: and retainer rings (29) are arranged between the second gear (18) and the sleeve (7) and between the fixed frame (6) and the sleeve (7).

7. An amphibious utility vehicle as claimed in any one of claims 1 to 4 wherein: and a limiting ring (30) for limiting and mounting the wheel (2) is radially and outwardly extended from the outer end of the sleeve (7).

8. An amphibious utility vehicle as claimed in any one of claims 1 to 4 wherein: the sleeve (7) is made of polytetrafluoroethylene.

Technical Field

The invention relates to a special operation vehicle, in particular to an amphibious multifunctional vehicle.

Background

The vehicle is a common land vehicle in people's lives, and for some vehicles needing to complete special work, the vehicles sometimes need to work on water, so that a multifunctional vehicle suitable for amphibious needs to be designed.

Disclosure of Invention

In view of the above problems, the present invention aims to provide an amphibious multifunctional vehicle which can normally travel on water and land and is suitable for the requirements of some special operations.

The technical scheme of the invention is as follows:

an amphibious multifunctional vehicle comprises a vehicle body and four wheels arranged on the vehicle body; the energy and control center is arranged at the top of the vehicle body and used for providing power and algorithm decision for each execution component on the vehicle body, and the energy and control center is connected with the execution components on the vehicle body through a lead; foam is arranged at the lower part of the vehicle body; the vehicle body is connected with a fixed frame at the position corresponding to each wheel, the fixed frame is horizontally and fixedly connected with a sleeve, the wheel is movably connected outside the sleeve, and a transmission mechanism capable of moving along the axial direction and rotating in the circumferential direction is arranged in the sleeve; the fixed frame is provided with a first direct current speed reducing motor which drives the wheel to rotate relative to the sleeve; a plurality of blades which are radially distributed at intervals along the circumferential direction are arranged on the outer side of the wheel, the rear ends of the blades are provided with connecting rods, and the parts of the connecting rods, which are close to the tail ends, are hinged with the hinged parts of the transmission mechanisms; the fixing frame is provided with a second direct current speed reducing motor for driving the transmission mechanism to rotate along the circumferential direction of the sleeve, and the transmission mechanism moves axially inwards and outwards to realize synchronous unfolding or folding of the connecting rods and the blades.

Preferably, the first dc gear motor drives the wheel to rotate through a first gear set, the first gear set comprises a first gear and a second gear which are meshed with each other, the first gear is driven by the first dc gear motor, the second gear is coaxially fixed on the wheel, and the first dc gear motor drives the wheel to rotate through the meshing of the first gear and the second gear.

Preferably, the outer end of the sleeve extends axially to form a retaining ring; the transmission mechanism comprises a piston shaft arranged in the sleeve, a screw rod connected with the piston shaft through a coupler and a stepping motor driving the screw rod to rotate, and the body of the stepping motor is self-locked with the screw rod when the stepping motor stops running; a spring installation cavity is formed in the middle of the front end face of the piston shaft, a compression spring is arranged in the spring installation cavity, the inner end of the compression spring is connected with the bottom of the spring installation cavity, and the outer end of the compression spring is connected with a baffle; the hinge part is arranged on the periphery of the mounting cavity; the connecting rod of each blade is connected with the baffle ring in a propping manner at the outer side of the hinged part, and the tail end of the connecting rod of each blade is connected with the outer side of the baffle plate in a propping manner to form a movable fit relation.

Preferably, a second gear set is arranged between the second direct current speed reduction motor and the transmission mechanism, the second gear set comprises a third gear and a fourth gear which are meshed with each other, the second direct current speed reduction motor is coaxially connected with the fourth gear, and a stepping motor of the transmission mechanism is fixedly connected with the third gear; and the second direct current speed reducing motor drives the transmission mechanism in the sleeve to rotate through the meshing rotation of the gear four and the gear three.

Preferably, an inwards inclined notch area is formed between the spring installation cavity at the front end of the piston shaft and the end face of the piston shaft, so that the tail of the connecting rod can smoothly enter the sleeve in the rotating process.

Preferably, retainer rings are arranged between the second gear and the sleeve and between the fixed frame and the sleeve.

Preferably, the outer end of the sleeve extends outwards in the radial direction to form a limiting ring for limiting and mounting the wheel.

Preferably, the sleeve is made of polytetrafluoroethylene.

When the device is used on land, the stepping motor drives the screw rod to retract and retreat, the piston shaft, the connecting rod and the blade retreat synchronously along with the screw rod, the connecting rod rotates around the hinged part when retracting due to the limiting effect of the baffle ring, in the process, the rear end of the connecting rod extrudes the baffle plate to further compress the compression spring and enter the spring installation cavity, the process is carried out until the height of the blade is lower than the height of the tread of the wheel, so that the tread of the wheel completely lands, and at the moment, the first direct current speed reducing motor can drive the wheel to rotate through the first gear set, so that the device can be used on land by a vehicle.

When the device is used on water, the stepping motor drives the screw rod to move outwards, the piston shaft moves outwards synchronously along with the screw rod, the connecting rod moves outwards along with the outward movement of the connecting rod, the baffle is pushed to move outwards relative to the sleeve under the action of the restoring force of the compression spring, the connecting rod is tightly attached to the baffle ring and reversely rotates and expands around the hinged part to enable the height of the blade to be gradually higher than the height of the tread of the wheel, and the process is carried out until the connecting rods are adjusted to be in a vertical state. At the moment, the second direct-current speed reduction motor drives the gear IV to rotate, so that the gear III and the stepping motor are driven to synchronously rotate, the screw rod, the piston shaft and the blades synchronously rotate by utilizing self-locking of the stepping motor and the screw rod, water surface propulsion is realized, and the vehicle can be used on water.

In conclusion, the invention can normally run on the land and the water surface and can complete some special tasks.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 2 at B;

FIG. 4 is a schematic view of the connection between the wheels and the gear unit according to the present invention;

FIG. 5 is a schematic view of the structure of FIG. 4 from another perspective;

FIG. 6 is a left side view of FIG. 4;

FIG. 7 is a partial cross-sectional view of the wheel with the blades stowed in accordance with the present invention;

FIG. 8 is an enlarged view of a portion of the present invention at C;

wherein: 1, a vehicle body; 2, a wheel; 3-energy and control center; 4-a wire; 5-foaming; 6, fixing a frame; 7, a sleeve; 8-a first dc geared motor; 9-connecting rod; 10-a blade; 11-a hinge; 12-a transmission mechanism; 13-a baffle ring; 14-a second dc gear motor; 15-a stepper motor; 16 — a first gear set; 17-gear one; 18-gear two; 19-a second gear set; 20-gear three; 21-gear four; 22-a screw rod; 23-a piston shaft; 24-a coupler; 25-spring mounting cavity; 26-compression spring; 27-a baffle; 28-a notch area; 29-a retainer ring; 30-a spacing ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 8, the present invention provides an amphibious multifunctional vehicle, which comprises a vehicle body 1 and four wheels 2 arranged on the vehicle body 1, wherein an energy source and control center 3 for providing power and algorithm decision for each execution component on the vehicle body 1 is arranged on the top of the vehicle body 1, wherein the execution components specifically comprise a motor, a control circuit, a sensor, etc., the energy source and control center 3 is connected with the execution components on the vehicle body 1 through a wire 4, and foam 5 capable of providing buoyancy for the whole vehicle is arranged on the lower portion of the vehicle body 1.

The automobile body 1 is connected with a fixing frame 6 at the position corresponding to each wheel 2, a horizontally arranged sleeve 7 is fixedly installed on the fixing frame 6, the sleeve 7 is movably connected with the wheels 2, and a transmission mechanism capable of moving along the axial direction and rotating in the circumferential direction is arranged in the sleeve 7.

The sleeve 7 may be made of teflon, which, in addition to providing support for the wheel 2, has a low coefficient of friction characteristic that ensures a smooth rotation of the wheel 2 around it. The outer end of the sleeve 7 extends axially to form a stop ring 13, and the outer end of the sleeve 7 extends radially outwards to form a limit ring 30 for limiting and mounting the wheel 2.

The wheel fixing device is characterized in that a first direct current speed reducing motor 8 and a first gear set 16 are connected to the fixing frame 6, the first gear set 16 comprises a first gear 17 and a second gear 18 which are meshed with each other, the first gear 17 is driven by the first direct current speed reducing motor 8, the second gear 18 is coaxially fixed on the wheel 2, and the first direct current speed reducing motor 8 drives the wheel 2 to rotate through the meshing of the first gear 17 and the second gear 18.

The outer side of the wheel 2 is provided with a plurality of blades 10 which are radially distributed at intervals along the circumferential direction, the rear ends of the blades 10 are provided with connecting rods 9, and the parts of the connecting rods 9, which are close to the tail ends, are hinged with the hinging parts 11 of the transmission mechanism.

The transmission mechanism comprises a piston shaft 23 arranged in the sleeve 7, a screw rod 22 connected with the piston shaft through a coupler 24 and a stepping motor 15 driving the screw rod to rotate, and the body of the stepping motor 15 and the screw rod 22 realize self-locking when the stepping motor 15 stops running. A spring installation cavity 25 is arranged in the middle of the front end face of the piston shaft 23, a compression spring 26 is arranged in the spring installation cavity 25, the inner end of the compression spring 26 is connected with the bottom 25 of the spring installation cavity, and the outer end of the compression spring 26 is connected with a baffle plate 27.

The hinge part 11 is arranged at the periphery of the spring installation cavity 25; the connecting rod 9 of each blade 10 is connected with the baffle ring 13 at the outer side of the hinged part in an abutting mode, and the tail end of the connecting rod 9 of each blade 10 is connected with the outer side of the baffle 27 in an abutting mode to form a movable fit relation.

And the fixed frame 6 is connected with a second direct current speed reducing motor 14 and a second gear set 19 which drive the transmission mechanism to rotate. The second gear set 19 comprises a third gear 20 and a fourth gear 21 which are meshed with each other, the second direct current speed reduction motor 14 is connected with the fourth gear 21, and the third gear 20 is fixedly connected with the stepping motor 15 of the transmission mechanism.

The centers of the three gears 20, the piston shaft 23 and the screw rod 22 are coaxially arranged.

The first direct current speed reducing motor 8 and the second direct current speed reducing motor 14 are both powered by the energy and control center 3, and the stepping motor 15 is provided with an independent power supply.

In the present illustration, the number of the blades is four, and in practice, the number of the blades may be three or more as required.

Preferably, an inwardly inclined notch area 28 is formed between the spring installation cavity 25 at the front end of the piston shaft 23 and the end surface of the piston shaft 23, so that the tail of the connecting rod 9 can smoothly enter the sleeve 7 in the rotating process.

Preferably, a retainer ring 29 is arranged between the second gear 18 and the sleeve 7, and between the fixed frame 6 and the sleeve 7, and the cooperation between the retainer ring 29 and the limiting ring 30 ensures that the wheel 2 and the second gear 18 are reliably installed.

When the vehicle needs to run on land, the stepping motor 15 is controlled to be started, the screw rod 22, the piston shaft 23 and the blade 10 are driven to synchronously move inwards along the axial direction, the connecting rod 9 of the blade 10 rotates around the hinge part 11 in the process of moving inwards due to the limiting effect of the baffle ring 13, in the process, the rear end of the connecting rod 9 extrudes the baffle plate 27 to further compress the compression spring 26 and enter the spring mounting cavity 25, and in the process, the height of the blade 10 is lower than the tread height of the wheel 2, so that the tread of the wheel 2 is completely landed, the blade 10 is folded, and the state shown in fig. 7 is achieved. Then the step motor 15 stops running and realizes self-locking with the screw rod 22, the first direct current reducing motor 8 is controlled to start through the energy source and control center 3, the first direct current reducing motor 8 drives the wheel 2 to rotate through the meshing of the first gear 17 and the second gear 18, and the function of normally running on the land of the invention is realized.

When the vehicle needs to run on water, the foam 5 provides buoyancy for the whole vehicle body 1, so that the vehicle body 1 keeps a floating state, the stepping motor 15 is controlled to be started, the screw rod 22, the piston shaft 23 and the blade 10 are driven to synchronously move outwards along the axial direction, the baffle 27 is pushed to move outwards relative to the sleeve 7 under the action of the reset force of the compression spring 26, the connecting rod 9 is tightly attached to the baffle ring 13 and reversely rotated and unfolded around the hinge part 11 due to the outward movement of the baffle 27, so that the height of the blade 10 is gradually higher than the tread height of the wheel 2, the process is carried out until each connecting rod 9 is adjusted to be in a vertical state, and at the moment, the blade 10 keeps an unfolded state under the combined action of the baffle ring 13, the hinge part 11, the baffle 27 and the.

Then the step motor 15 stops running and realizes self-locking with the screw rod 22, the energy and control center 3 controls the second direct current speed reducing motor 14 to start, the second direct current speed reducing motor 14 rotates through the fourth gear 21, further drives the third gear 20 and the step motor 15 to synchronously rotate, and the screw rod 22, the piston shaft 23 and each blade 10 synchronously rotate by utilizing the self-locking of the step motor 15 and the screw rod 22 to realize water surface propulsion, thereby realizing the function of the invention of running on water.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change or modification made to the above embodiments according to the technical principle of the present invention still falls within the scope of the technical solution of the present invention.