CN214775821U - Motor vehicle starting power assisting device based on cam type rotary table - Google Patents

Abstract

The utility model discloses a motor vehicle starting booster unit based on cam-type carousel, including the carousel, the carousel is used for being connected to the wheel hub or the drive mechanism of motor vehicle, be provided with the drive chamber on the carousel, be provided with a plurality of bellyings on the wall in drive chamber, the drive intracavity is provided with actuating mechanism, actuating mechanism is used for promoting the bellyings rotatory with the drive carousel. The utility model discloses the mode of control actuating mechanism promotion bellying utilizes lever principle to change the tradition and utilizes the mode that vehicle engine started static vehicle, has reduced the energy resource consumption when vehicle starting for the engine acts on the vehicle in the removal all the time, need to park repeatedly, the influence of restarting when having reduced to a certain extent in the city when traveling, under the prerequisite that engine output is the same, has further promoted the duration of a journey ability of vehicle.

Description

Motor vehicle starting power assisting device based on cam type rotary table

Technical Field

The utility model relates to an automobile brake technical field, concretely relates to motor vehicle starting booster unit based on cam-type carousel.

Background

With the rapid development of the automobile industry, the energy conservation and emission reduction of vehicles gradually become the key research direction of the innovation and reform of the automobile industry, and the emergence of new energy automobiles well explains the point. However, the conventional fuel automobile needs a low gear to obtain a sufficient power when starting, and the new energy automobile also needs to be started by a large current, so that the energy consumption of the automobile when starting is obviously higher than that of the automobile when driving, especially a bus or a transportation vehicle with a large load, no matter the new energy automobile or the conventional fuel automobile.

In recent years, the rapid development of domestic urban traffic construction and the increase of national income level lead to the rapid increase of the number of vehicles in the city, so that convenience is provided for life, road congestion inevitably occurs at rush hours or weekends, and the vehicles need to be frequently stopped, started, re-stopped and re-started. According to statistics, the energy consumption of vehicles running in urban areas is improved by nearly 50% compared with the energy consumption of vehicles on expressways due to urban traffic lights, traffic jams and other reasons, the running mileage of the vehicles is seriously influenced, and the development of new energy vehicles with higher requirements on endurance capacity is restricted.

Therefore, it is necessary to design a starting assisting device for a motor vehicle to solve the problem of large energy consumption when the motor vehicle is started.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a motor vehicle starting booster unit based on cam formula carousel to solve among the prior art motor vehicle need more energy resource consumption big, the same energy condition that the mileage is shorter problem of traveling down that the energy resource consumption that leads to when the starting is big, realize motor vehicle's energy saving and emission reduction.

The utility model discloses a following technical scheme realizes:

the motor vehicle starting power assisting device based on the cam type rotary table comprises the rotary table, wherein the rotary table is used for being connected to a hub or a transmission mechanism of a motor vehicle, a driving cavity is formed in the rotary table, a plurality of protruding portions are arranged on the wall surface of the driving cavity, a driving mechanism is arranged in the driving cavity, and the driving mechanism is used for pushing the protruding portions to drive the rotary table to rotate.

In the technical scheme, the starting power assisting device comprises a rotary table, wherein a groove or a through hole communicated with the upper surface and the lower surface of the rotary table is formed in the rotary table, and the groove or the through hole is used as a driving cavity. In one or more embodiments, the groove or the through hole is a circle concentric with the turntable, and preferably, the radius of the groove or the through hole is 0.3-0.8 times the radius of the turntable. The wall surface of the driving cavity is provided with an arc-shaped convex part similar to a cam structure, and the distance from the convex part to the circle center is gradually reduced and then gradually increased. The wall of the boss is also the wall of the drive chamber.

The driving cavity is internally provided with a driving mechanism which can be uniformly distributed around the circle center of the driving cavity and can also be non-uniformly distributed. The drive mechanism is fixedly mounted on a mounting plate of the starting aid or on an external support mechanism, such as an axle of a motor vehicle or a suspension of a chassis of the motor vehicle, to enable the turntable to move relative to the drive mechanism. The driving mechanism comprises an operating state and a non-operating state. Under the working state, the driving mechanism extends and extrudes the curved surface of the bulge, namely the pushing surface, the acting force exerted on the pushing surface is continuously increased in the extension process of the driving mechanism, and then the driving mechanism does not act on the bulge any more or the acting force is obviously weakened after the rotating disc is pushed to rotate for a certain angle. And then the driving mechanism is contracted to a non-working state, and in the non-working state, the driving mechanism does not contact with the convex part or only contacts with the top point of the convex part, namely the position on the convex part, which is the shortest distance from the center of the circle of the driving cavity.

The use principle of the technical scheme is as follows: at least one driving mechanism and at least one lug boss are arranged in the driving cavity, and all the driving mechanisms are in a non-working state in the running or parking process of the motor vehicle; when the motor vehicle starts, the first driving mechanism is controlled to be switched to a working state before the engine runs and acts on the corresponding first boss part so as to push the turntable to rotate for a certain angle; after the turntable rotates for a certain angle, the first driving mechanism is switched to a non-working state, the first boss or the second boss rotates to the second driving mechanism, and the second driving mechanism is controlled to be switched to a working state and acts on the first boss or the second boss so as to push the turntable to continue rotating for a certain angle; and the like until the rotating disk rotates to the angle required by the starting of the motor vehicle or preset angle.

In some embodiments, the turntable may be directly or indirectly connected to the hub of the vehicle such that the rotation angle of the turntable is the same as the rotation angle of the hub of the vehicle, so that the wheel rotates by the same angle after the driving mechanism pushes the turntable to rotate by a certain angle. In some embodiments, the turntable may also be directly or indirectly connected to a transmission mechanism of the motor vehicle, for example, an output shaft provided on the turntable is engaged with a gear in a transmission case of the wheel axle or a worm and gear structure is used to convert the rotation of the turntable into the rotation of the wheel axle, so as to drive the wheels to rotate at a certain angle.

When the vehicle needs to start, the driving mechanism is controlled to push the boss to drive the turntable to rotate, so that the wheels are driven to rotate by a certain angle, the vehicle starts to move after the wheels rotate, and the engine of the vehicle runs normally. The starting power assisting device controls the driving mechanism to push the boss, changes the traditional mode of starting a static vehicle by using a vehicle engine, reduces the energy consumption of the vehicle during starting, enables the engine to act on the moving vehicle all the time, reduces the influence of repeated stopping and restarting during running in a city to a certain extent, and further improves the cruising ability of the vehicle on the premise of the same output power of the engine; meanwhile, for trucks or buses with higher loads, the starting power assisting device has a more remarkable effect of reducing energy consumption when the vehicles are started.

Further, the number of the driving mechanisms is larger than that of the protruding parts, and the number of the driving mechanisms is at least 3. The number of the driving mechanisms is determined according to the type of the motor vehicle and the magnitude of the propelling force required for starting, and the number of the driving mechanisms is preferably not less than 3. Preferably, the number of the driving mechanisms is 4-12, and further preferably, the number of the driving mechanisms is 4-10. When the single pushes the turntable to rotate by a certain angle, only one driving mechanism can act on the corresponding boss, and a plurality of driving mechanisms can act simultaneously to provide enough pushing force. The number of the driving mechanisms is preferably more than that of the protrusions, so that the pushing surfaces of the protrusions are located in the linear stroke of the driving mechanisms at any angle of the turntable, and the running reliability of the device is improved.

As a preferable structure of the driving mechanism, the driving mechanism includes a driving device, and a pushing member is arranged on a pushing rod of the driving device, and the pushing member is used for pressing a pushing surface of the boss under the driving of the driving device to drive the turntable to rotate. In this technical solution, the driving mechanism includes a driving device, a push rod and a pushing member, wherein the driving device is a linear driving device, in some embodiments, the driving device may be a motor or a hydraulic cylinder, and preferably, the driving device is a speed reduction motor. When the driving device is a motor, the driving mechanism can be, for example, an electric push rod or a linear driver, and the reciprocating motion of the push rod along the linear direction is realized by controlling the speed reducing motor, so as to drive the pushing piece connected to the push rod to move towards or back to the convex part; when the driving device is a hydraulic cylinder, the push rod is a piston rod of the hydraulic cylinder, and the piston rod is driven to extend or retract by controlling the hydraulic oil pump, so that the pushing piece can move linearly.

Furthermore, a rotating shaft is arranged on the pushing piece, and a roller is arranged on the rotating shaft and used for extruding the pushing surface of the protruding portion. In the technical scheme, the roller arranged on the pushing piece replaces the pushing piece to contact and press the bulge. When the protruding portion is extruded to the roller, because the protruding portion is the curved surface, therefore the roller can be around certain number of turns or angle of pivot rotation when exerting pressure, the reaction force that the part comes from the protruding portion is unloaded, avoid promoting the in-process and lead to the push rod to damage because pressure is too big, improve actuating mechanism driven stability and security, and, the rotatory frictional force that can also reduce between actuating mechanism and the protruding portion of roller in extrusion process, prevent to block between drive arrangement and the protruding portion.

As a preferred embodiment of the utility model, still include the mounting disc, actuating mechanism installs on the mounting disc. Preferably, the mounting plate is arranged concentrically with the turntable. The driving mechanisms are uniformly or non-uniformly distributed around the center of the circle of the mounting disc. According to different installation positions and installation modes of starting assistance, the center of the installation disc can be provided with or not provided with a through hole. When starting booster unit installs in the wheel epaxial, the mounting disc center needs to set up the through-hole that supplies the vehicle to go out the wheel axle and pass, and mounting disc fixed mounting is on the outer wall of wheel axle, and the carousel passes through the connecting piece and is connected to wheel hub on, and the bellying through actuating mechanism promotion carousel drives the carousel rotatory to drive the wheel and rotate, realize vehicle starting helping hand. When the starting power assisting device is mounted on a transmission case of a wheel axle, the mounting disc can be mounted on a vehicle chassis, for example, hung, so that the rotary disc can rotate relative to the mounting disc, and at the moment, through holes can not be formed in the mounting disc.

Furthermore, the mounting disc is provided with a containing cavity and a sliding groove, the sliding groove is communicated with the containing cavity and the driving cavity, a driving device, a push rod and a pushing piece are arranged in the containing cavity, a rotating shaft is arranged on the pushing piece, the rotating shaft penetrates through the sliding groove and is movably connected with a roller, and the roller is used for extruding the pushing surface of the protruding portion. In the technical scheme, an accommodating cavity for installing the driving device, the push rod and the pushing piece is arranged in the mounting disc, and the accommodating cavity is communicated with the driving cavity through a sliding groove. The pushing piece is provided with a rotating shaft, the rotating shaft is located in the sliding groove and can move along the sliding groove, the rotating shaft is movably provided with a roller, and the roller is located in the driving cavity. Through the arrangement, the driving part of the driving mechanism is placed into the accommodating cavity, so that the driving device can be fixedly installed and protected better, the driving device is prevented from being damaged by foreign matter impact in the driving process of the vehicle, the push rod can normally move in a reciprocating mode, and the running stability and reliability of the starting power assisting device are further improved.

Furthermore, a limiting disc which is arranged between the mounting disc and the rotary disc is arranged on the mounting disc, and the limiting disc is of an annular structure. The limiting disc is preferably arranged concentrically with the mounting disc and the rotary disc. After the pivot removed and gyro wheel and bellying butt along the spout, the limiting plate formed the support with the terminal surface contact of gyro wheel, avoided the gyro wheel to produce axial direction when receiving reaction force rock, leaded to gyro wheel or pivot to damage, further improved the reliability of starting booster unit operation.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

1. the utility model discloses the mode of control actuating mechanism promotion bellying utilizes lever principle to change the tradition and utilizes the mode that vehicle engine started static vehicle, has reduced the energy resource consumption when the vehicle starts for the engine acts on the vehicle in the motion all the time, has reduced to a certain extent and has need repeatedly to park when going in the city, and under the prerequisite that engine output is the same, further promoted the duration of a journey of vehicle;

2. the utility model discloses when the gyro wheel that sets up on the impeller extrudees the bellying, because the bellying is the curved surface, so the gyro wheel can rotate certain number of turns or angle around the pivot when exerting pressure, unload some reaction force that comes from the bellying, avoid promoting the in-process and lead to the push rod to damage because pressure is too big, improve the stability and the security of actuating mechanism drive, and, the gyro wheel is rotatory can also reduce the frictional force between actuating mechanism and the bellying in the extrusion process, prevent to block between drive arrangement and the bellying;

3. the utility model discloses put into actuating mechanism's drive division and hold the intracavity and can carry out better fixed mounting and protection to drive arrangement, avoid the foreign matter striking to damage drive arrangement at the vehicle in the course of traveling, ensure that the push rod can normal reciprocating motion, further improve the stability and the reliability of starting booster unit operation.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a structure for driving a wheel hub according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of another embodiment of the present invention in use to drive a wheel hub;

FIG. 4 is a schematic view of the structure of the hub mounted to the axle and driven by the embodiment of the present invention;

fig. 5 is a schematic structural diagram of the turntable in the first state when the vehicle starts according to the embodiment of the present invention;

fig. 6 is a schematic structural diagram of the turntable in the second state when the vehicle starts according to the embodiment of the present invention;

fig. 7 is a schematic structural diagram of the turntable in a third state when the vehicle starts according to the embodiment of the present invention;

fig. 8 is a schematic structural diagram of the turntable in a fourth state when the vehicle starts according to the embodiment of the present invention;

FIG. 9 is a schematic structural view of a transmission mechanism for driving a transmission case according to an embodiment of the present invention;

FIG. 10 is a schematic cross-sectional view of an alternative arrangement of the present invention for driving the transmission;

FIG. 11 is a schematic view of another embodiment of the present invention;

fig. 12 is a schematic cross-sectional view of another schematic structure diagram according to an embodiment of the present invention.

Reference numbers and corresponding part names in the drawings:

1-a rotary disk, 2-a mounting disk, 3-a boss, 4-a recess, 5-a drive mechanism, 51-a drive, 52-a push rod, 53-a push piece, 54-a rotating shaft, 55-a roller, 6-a connecting piece, 61-a mounting hole, 7-an outer wheel shaft, 8-an inner wheel shaft, 9-a wheel hub, 11-a first drive mechanism, 12-a second drive mechanism, 13-a third drive mechanism, 14-a fourth drive mechanism, 15-a fifth drive mechanism, 16-a sixth drive mechanism, 17-a seventh drive mechanism, 18-an eighth drive mechanism, 19-a ninth drive mechanism, 20-a tenth drive mechanism, 21-a transmission case, 22-a transmission shaft, 23-a limiting disk, 24-a containing cavity, 25-chute.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

In the description of the present invention, it should be understood that the terms "front", "back", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the present invention.

Example 1:

the motor vehicle starting power assisting device based on the cam type turntable as shown in fig. 1 comprises a turntable 1, wherein the turntable 1 is used for being connected to a hub or a transmission mechanism of a motor vehicle, a driving cavity is arranged on the turntable 1, a plurality of protrusions 3 are arranged on the wall surface of the driving cavity, a driving mechanism 5 is arranged in the driving cavity, and the driving mechanism 5 is used for pushing the protrusions 3 to drive the turntable 1 to rotate.

In some embodiments, as shown in fig. 1, the protrusion disposed on the wall of the driving cavity is a cam structure, and the distance from the protrusion to the center of the circle gradually decreases and then gradually increases.

In some embodiments, the driving mechanisms may be uniformly distributed around the center of the driving chamber, or may be non-uniformly distributed.

When the starting power assisting device is arranged on the hub, as shown in fig. 2, the driving cavity is a groove formed in the turntable 1. Offer the through-hole that supplies vehicle foreign steamer axle 7 to pass on carousel 1, actuating mechanism 5 fixed mounting is on foreign steamer axle 7's outer wall, be provided with the interior wheel axle 8 that can 7 rotations of foreign steamer relatively in the foreign steamer axle 7, interior wheel axle 8 connects wheel hub 9, and carousel 1 can dismantle the connecting piece 6 that connects through mounting hole 61 and be connected to wheel hub 9, thereby make carousel 1 can rotate under actuating mechanism 5's effect, and then drive wheel hub 9 rotatory, thereby realize vehicle starting helping hand.

For convenience of illustration, as shown in fig. 1 and fig. 5 to 8, 4 driving mechanisms are uniformly distributed around the center of the turntable 1: the driving mechanism comprises a first driving mechanism 11, a second driving mechanism 12, a third driving mechanism 13 and a fourth driving mechanism 14, wherein 3 bosses 3 are arranged in a driving cavity at equal intervals. When the vehicle needs to start, as shown in fig. 5, in the first state, the first driving mechanism 11 is controlled to switch from the non-working state to the working state and act on the corresponding protruding portion to push the rotating disc to rotate to a certain angle, to reach the second state shown in fig. 6, in the second state, the protruding portion corresponding to the first driving mechanism 11 has moved to the direction of the second driving mechanism 12, and the other protruding portion has rotated to the fourth driving mechanism 14, the fourth driving mechanism 14 is controlled to switch to the working state and act on the protruding portion, so that the rotating disc continues to rotate counterclockwise by a certain angle, to reach the third state shown in fig. 7, in the third state, the protruding portion corresponding to the fourth driving mechanism 14 has continued to move to the direction of the first driving mechanism 11, and the other protruding portion has rotated to the third driving mechanism 13, the third driving mechanism 13 is controlled to switch to the working state and act on the protruding portion, so that the turntable continues to rotate counterclockwise by a certain angle, and reaches a fourth state as shown in fig. 8, and similarly, in the fourth state, the second driving mechanism 12 is controlled to be switched to the working state and act on the convex portion to push the turntable to continue to rotate counterclockwise, thereby completing one rotation.

In the practical application process, the maximum energy consumption of the motor vehicle lies in that the motor vehicle moves from a static state when starting, so that the number and the driving force of the driving mechanisms 5 can be calculated and adjusted according to the practical requirement and the energy consumption, and the rotating disk 1 can be switched to the engine to output power after rotating for a certain number of turns or a certain angle.

When the single pushes the turntable to rotate by a certain angle, only one driving mechanism can act on the corresponding boss, and a plurality of driving mechanisms can act simultaneously to provide enough pushing force. As shown in fig. 11, 8 bosses and 10 driving mechanisms are provided in the driving chamber of the turntable. In the state shown in fig. 11, to realize clockwise rotation of the turntable, the fifth drive mechanism 15 and the eighth drive mechanism 18 reach the stroke limit and start switching to the non-operating state, and the sixth drive mechanism 16, the seventh drive mechanism 17, the ninth drive mechanism 19 and the tenth drive mechanism 20 act together on the push surfaces of the corresponding bosses.

In some embodiments, the number of the driving mechanisms 5 is greater than that of the protrusions 3, so as to ensure that the pushing surfaces of the protrusions are located in the linear stroke of the driving mechanisms at any angle of the turntable, and improve the reliability of the operation of the device. The number of drive mechanisms 5 is at least 3. Preferably, the number of the driving mechanisms is 4-12, and further preferably, the number of the driving mechanisms is 4-10.

Example 2:

on the basis of embodiment 1, as shown in fig. 2, the driving mechanism 5 includes a driving device 51, and a pushing member 53 is disposed on a pushing rod 52 of the driving device 51, and the pushing member 53 is used for pressing a pushing surface of the boss 3 under the driving of the driving device 51 to drive the turntable 1 to rotate.

In some embodiments, the driving device may be an electric motor or a hydraulic cylinder, and preferably, the driving device is a reduction motor. When the driving device is a motor, the driving mechanism can be, for example, an electric push rod or a linear driver, and the reciprocating motion of the push rod along the linear direction is realized by controlling the speed reducing motor, so as to drive the pushing piece connected to the push rod to move towards or back to the convex part; when the driving device is a hydraulic cylinder, the push rod is a piston rod of the hydraulic cylinder, and the piston rod is driven to extend or retract by controlling the hydraulic oil pump, so that the pushing piece can move linearly.

In some embodiments, as shown in fig. 2, the pushing member 53 is provided with a rotating shaft 54, and the rotating shaft 54 is provided with a roller 55, and the roller 55 is used for pressing the pushing surface of the boss 3. When the protruding portion is extruded to the roller, because the protruding portion is the curved surface, therefore the roller can be around certain number of turns or angle of pivot rotation when exerting pressure, the reaction force that the part comes from the protruding portion is unloaded, avoid promoting the in-process and lead to the push rod to damage because pressure is too big, improve actuating mechanism driven stability and security, and, the rotatory frictional force that can also reduce between actuating mechanism and the protruding portion of roller in extrusion process, prevent to block between drive arrangement and the protruding portion. In one or more embodiments, as shown in fig. 1, a concave portion 4 is disposed between two adjacent convex portions. The convex parts 3 and the concave parts 4 are alternately arranged, so that the pushing surface is increased, the stroke of the roller capable of pushing the turntable is prolonged, and the pushing effect of the driving mechanism is improved.

Example 3:

on the basis of the above embodiment, as shown in fig. 3, the present invention further includes a mounting plate 2, and the driving mechanism 5 is mounted on the mounting plate 2, and the mounting plate and the turntable are concentrically arranged. As shown in fig. 3 and 4, when the starting assisting device is mounted on a wheel shaft and directly acts on a hub, a through hole for an outer wheel shaft of a vehicle to pass through needs to be formed in the center of the mounting disc 2, the mounting disc 2 is fixedly mounted on the outer wall of the outer wheel shaft 7, the turntable 1 is connected onto the hub 9 through the connecting piece 6, the boss 3 of the turntable 1 is pushed by the driving mechanism 5 to drive the turntable to rotate, and therefore the vehicle starting assisting device is driven to rotate and achieve vehicle starting assisting. In this embodiment, the mounting plate 2 and the turntable 1 are two independent parts, and when the driving mechanism 5 is damaged, the mounting plate 2 can be removed as a whole for maintenance without directly mounting the driving mechanism on the outer wheel shaft 7.

Example 4:

in addition to embodiment 3, as shown in fig. 9 and 10, the starting assist device is mounted on the vehicle chassis and acts on the transmission case on the wheel axle. In this embodiment, be fixed with a plurality of actuating mechanism 5 on the mounting disc 2, carousel 1 is connected with connecting piece 6 through mounting hole 61 detachably, and the transmission shaft 22 of connecting piece 6 cooperates or cooperates through the mode of worm gear with the gear in the transmission case 21, changes the rotation of carousel 1 into the rotation of foreign steamer 7 or shaft, and then drives the wheel and produce the rotation of certain angle.

Example 5:

on the basis of the above embodiment, as shown in fig. 12, the mounting disc 2 is provided with an accommodating cavity 24 and a sliding groove 25, the sliding groove 25 communicates the accommodating cavity 24 and the driving cavity, the accommodating cavity 24 is provided with a driving device 51, a push rod 52 and a pushing member 53, the pushing member 53 is provided with a rotating shaft 54, the rotating shaft 54 passes through the sliding groove 25 and is movably connected with a roller 55, and the roller 55 is used for pressing the pushing surface of the boss 3.

The driving part of the driving mechanism is placed into the accommodating cavity, so that the driving device can be fixedly installed and protected better, foreign matter is prevented from being impacted to damage the driving device in the driving process of the vehicle, the push rod can normally move in a reciprocating mode, and the running stability and reliability of the starting power assisting device are further improved.

In one or more embodiments, the mounting plate is further provided with a heat dissipation hole communicated with the accommodating cavity to dissipate heat of the driving device in the accommodating cavity.

In some embodiments, a limiting disc 23 is disposed on the mounting disc 2 and located between the mounting disc 2 and the turntable 1, and the limiting disc 23 is of an annular structure. Preferably, the spacing disc is preferably arranged concentrically with the mounting disc and the turntable. In some embodiments, as shown in fig. 11, the inner diameter of the annular limiting disc is not greater than the shortest distance from the boss to the center of the turntable, and preferably, the inner diameter of the limiting disc is equal to the shortest distance from the boss to the center of the turntable.

After the pivot removed and gyro wheel and bellying butt along the spout, the limiting plate formed the support with the terminal surface contact of gyro wheel, avoided the gyro wheel to produce axial direction when receiving reaction force rock, leaded to gyro wheel or pivot to damage, further improved the reliability of starting booster unit operation.

As used herein, "first," "second," etc. (e.g., first drive mechanism, second drive mechanism, etc.) are used only for clarity of description to distinguish between corresponding components and are not intended to limit any order or emphasize importance, etc. Further, the term "connected" used herein may be either directly connected or indirectly connected via other components without being particularly described.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. The motor vehicle starting power assisting device based on the cam type rotary table is characterized by comprising a rotary table (1), wherein the rotary table (1) is used for being connected to a hub or a transmission mechanism of a motor vehicle, a driving cavity is formed in the rotary table (1), a plurality of protrusions (3) are arranged on the wall surface of the driving cavity, a driving mechanism (5) is arranged in the driving cavity, and the driving mechanism (5) is used for pushing the protrusions (3) to drive the rotary table (1) to rotate.

2. The starting booster for motor vehicles based on cam-type turntables according to claim 1, characterized in that the driving mechanism (5) comprises a driving device (51), a pushing member (53) is arranged on a pushing rod (52) of the driving device (51), and the pushing member (53) is used for pressing the pushing surface of the boss (3) under the driving of the driving device (51) to drive the turntable (1) to rotate.

3. The starting booster device for motor vehicles based on cam-type rotary discs as claimed in claim 2, characterized in that the pushing member (53) is provided with a rotating shaft (54), the rotating shaft (54) is provided with a roller (55), and the roller (55) is used for pressing the pushing surface of the boss (3).

4. The starting aid for motor vehicles based on cam-type rotary tables according to claim 2, characterized in that the driving device (51) is an electric motor or a hydraulic cylinder.

5. The starting aid for motor vehicles based on cam-type rotary tables according to claim 2, characterized in that the driving mechanism (5) is mounted on the wheel axle or chassis of the motor vehicle.

6. The starting assisting device for the motor vehicle based on the cam type rotary disc as claimed in claim 2, characterized by further comprising a mounting disc (2), wherein the driving mechanism (5) is mounted on the mounting disc (2).

7. The starting and assisting device for the motor vehicle based on the cam-type rotary disc as claimed in claim 6, wherein the mounting disc (2) is provided with an accommodating cavity (24) and a sliding groove (25), the sliding groove (25) is communicated with the accommodating cavity (24) and the driving cavity, a driving device (51), a push rod (52) and a pushing member (53) are arranged in the accommodating cavity (24), a rotating shaft (54) is arranged on the pushing member (53), the rotating shaft (54) penetrates through the sliding groove (25) and is movably connected with a roller (55), and the roller (55) is used for extruding a pushing surface of the boss (3).

8. The starting power assisting device for the motor vehicle based on the cam type rotary disc as claimed in claim 7, wherein a limiting disc (23) located between the mounting disc (2) and the rotary disc (1) is arranged on the mounting disc (2), and the limiting disc (23) is of an annular structure.

9. The starting aid for motor vehicles based on cam-type turntables according to claim 1, characterized in that a recess (4) is provided between two adjacent lobes (3).

10. The starting assisting device for the cam-type rotary table-based motor vehicle as claimed in any one of claims 1-9, wherein the number of the driving mechanisms (5) is larger than the number of the convex parts (3), and the number of the driving mechanisms (5) is at least 3.

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