CN108839648B

CN108839648B - Vehicle antiskid system of manual transmission vehicle in low-speed state

Info

Publication number: CN108839648B
Application number: CN201810598638.8A
Authority: CN
Inventors: 李颖
Original assignee: Liaocheng Keenness Information Technology Co ltd
Current assignee: Liaocheng keenness Information Technology Co.,Ltd.
Priority date: 2018-06-12
Filing date: 2018-06-12
Publication date: 2021-05-28
Anticipated expiration: 2038-06-12
Also published as: CN108839648A

Abstract

The invention discloses a vehicle anti-skid system of a manual gear automobile in a low-speed state, which comprises a gear engaging device, a control module, a speed sensor and a low-speed anti-skid auxiliary device, wherein the low-speed anti-skid auxiliary device comprises an anti-skid gear arranged on a wheel transmission shaft, a first one-way braking component for preventing the automobile from backing up in the low-speed state and a second one-way braking component for preventing the automobile from advancing in the low-speed state; connect through the cooperation of first one-way brake subassembly and the one-way brake subassembly of second for the car is under the neutral gear state, first stopper and second stopper are automatic to the anti-skidding gear and are brakied, thereby realize the automation of car braking, when can effectively avoiding the car to park and hang the neutral gear, forget the smooth slope phenomenon that the hand brake takes place forward or backward, the security when having improved the car parking greatly, above-mentioned structure fungible tradition hand brake, reduce the operating procedure, reduce the operation degree of difficulty, can realize automatic braking effect, moreover, the steam generator is simple in structure, but the practicality is high.

Description

Vehicle antiskid system of manual transmission vehicle in low-speed state

Technical Field

The invention belongs to the technical field of automobiles, and particularly relates to a vehicle antiskid system of a manual transmission automobile in a low-speed state.

Background

In modern society, the brake of an automobile generally adopts a hand brake or a foot to step on a brake pedal, and when the automobile needs to be parked for a long time, the automobile is braked by adopting a hand brake mode, but a lot of people forget the hand brake when the automobile is parked, so that the brake slides forwards or backwards, and the automobile is possibly damaged due to the collision of the automobile.

In the reference CN105650273B, a ratchet wheel type auxiliary device for vehicle hill start is disclosed, which is used to assist the vehicle hill start by adding a ratchet wheel and a locking pawl on the vehicle transmission to prevent the vehicle from slipping when the driver starts and climbs up on a steep slope, but the device cannot brake the vehicle when the vehicle is in reverse gear or parked, which may cause the vehicle to slip, which is very dangerous.

Disclosure of Invention

The invention provides a vehicle antiskid system in a low-speed state of a manual-gear vehicle, which can automatically brake the vehicle in climbing, descending and parking states in order to overcome the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a vehicle anti-skid system of a manual gear automobile in a low-speed state comprises a gear engaging device, a control module, a speed sensor and a low-speed anti-skid auxiliary device,

the gear stage engagement device includes:

-a first sensor engaging in first gear,

-a second sensor of reverse gear engaged;

the low-speed antiskid auxiliary device includes:

-an anti-skid gear provided on the wheel drive shaft;

-a first unidirectional braking assembly preventing the vehicle from backing up at low speeds;

the second one-way brake component is used for preventing the automobile from advancing in a low-speed state;

the first unidirectional brake assembly comprises;

-a first braking member cooperating with the anti-slip gear and being unidirectionally rotatable;

the first driving device is used for driving the first braking piece to be in clutch connection with the anti-skid gear;

the second unidirectional brake assembly comprises;

-a second braking member cooperating with the anti-slip gear and being unidirectionally rotatable;

the first driving device is used for driving the second braking piece to be in clutch connection with the anti-skid gear;

the matching direction of the first braking part and the anti-skid gear is opposite to the matching direction of the second braking part and the anti-skid gear;

when the first gear is engaged, the first sensor and the speed sensor are connected with the control module, and the control module controls the first driving device according to signals of the first sensor and the speed sensor so as to control the first braking part to be in clutch with the anti-skid gear;

when the reverse gear is engaged, the second sensor and the speed sensor are in signal connection with the control module, and the control module controls the second driving device according to signals of the second sensor and the speed sensor so as to control the second braking part to be in clutch with the anti-skid gear;

the gear engaging device is engaged into a neutral gear, and when the speed sensor detects that the speed is zero, the third sensor and the speed sensor are in signal connection with the control module, and the control module controls the first driving device and the second driving device according to signals of the third sensor and the speed sensor, so that the first braking piece and the second braking piece are controlled to be simultaneously engaged with and disengaged from the anti-skid gear respectively; through the matching arrangement of the devices, when the automobile is in a first gear state, the control module controls the first one-way brake assembly, the first driving device in the first one-way brake assembly drives the first brake piece, and the first brake piece brakes the anti-skid gear, so that the automatic braking effect of the automobile in the first gear state can be realized; when the automobile is in a reverse gear, the control module controls the second one-way brake assembly, a second driving device in the second one-way brake assembly drives a second brake piece, and the second brake piece brakes the anti-skid gear, so that the automatic braking effect of the automobile in a reverse gear state can be realized; when the car is in the neutral gear state, control module controls first one-way brake subassembly and the one-way brake subassembly of second simultaneously, first drive arrangement and the second drive arrangement in first one-way brake subassembly and the one-way brake subassembly of second drive first arrester and second arrester respectively simultaneously, first arrester and second arrester brake the anti-skidding gear simultaneously, thereby can realize the automatic braking's of car under the neutral gear state effect, above-mentioned structure fungible tradition manual brake, reduce the operating procedure, reduce the operation degree of difficulty, can realize automatic braking effect, moreover, the steam generator is simple in structure, but the practicality is high.

The first driving device comprises a loop bar, a connecting rod movably connected with the loop bar, a compression spring arranged on the loop bar and a push rod motor used for driving the ratchet wheel to reciprocate, and the first driving device and the second driving device have the same structure; the compression spring is arranged and can be extended and contracted through the connection of the loop bar and the connecting bar, so that the compression spring, the loop bar and the connecting bar are mutually matched to form an elastic component, when an anti-skid system of a vehicle is damaged, the ratchet wheel cannot be disengaged from the anti-skid gear through the push rod motor, at the moment, if the vehicle brakes forcibly, a stronger power is provided for the anti-skid gear to enable the anti-skid gear to rotate forcibly, the ratchet wheel is connected with the loop bar which is connected with the connecting bar, the compression spring is sleeved on the loop bar and can realize free extension and contraction, so that the ratchet wheel can be arranged through the compression spring, when the anti-skid gear is acted by a great driving force, the ratchet wheel or the loop bar can not directly bear the torque action of the ratchet wheel to cause damage, the ratchet wheel can not influence the rotation of the anti-skid gear and can also collide with the anti-skid gear, the collision sound is generated to remind the owner of the damage of the device, the alarm effect is achieved, the owner does not need to worry about the damage of the device and cannot know the device, and the device is very simple and practical.

The first braking part comprises a ratchet wheel, a supporting rod arranged on a central shaft of the ratchet wheel and a pawl for braking the ratchet wheel, the pawl is fixedly arranged on the supporting rod, and the first braking part and the second braking part have the same structure; through carrying out the setting of bracing piece on the ratchet, can carry out the stable setting of pawl on the bracing piece, the pawl can be fixed the ratchet at any time for the ratchet only can realize unidirectional rotation, and can remove along with the removal of ratchet, can not influence the operation of device simultaneously, has guaranteed the stability of structure.

The sleeve rod is fixedly arranged on a middle shaft of the ratchet wheel, the connecting rod is fixedly connected with a push rod motor rod of the push rod motor, a first limiting block is arranged on the sleeve rod, and a second limiting block is arranged on the connecting rod; the push rod motor can drive the connecting rod and carry out the back-and-forth movement, and the setting of the first stopper on the loop bar can play and carry out spacing effect to compression spring, and the setting of second stopper can carry out spacingly to the connecting rod, and the push rod motor can promote the second stopper through the push rod motor pole simultaneously to realize ratchet's reciprocating motion.

The sleeve rod is sleeved on the connecting rod, one end of the compression spring is fixedly connected with the first limiting block, and the other end of the compression spring is fixedly connected with the second limiting block; through carrying out the setting of above-mentioned structure to compression spring for compression spring can fix between first stopper and second stopper, and can produce flexible effect through the cooperation of loop bar and connecting rod, when making the ratchet receive the effort, can realize flexible effect through expanding spring, avoids causing the device to damage.

The pawl is movably connected with the support rod through a rotating shaft, the support rod is arranged in an inclined mode, and the bottom of the pawl is located in a gap between gear teeth of the ratchet wheel; the swing joint of pawl can not influence the unidirectional rotation's of ratchet effect, reduces the rigid cooperation, reduces the rigidity loss, and the slope setting of bracing piece simultaneously can make the pawl hang down naturally downwards, contacts until the teeth of a cogwheel with the ratchet, just is arranged in the clearance to the realization is braked the ratchet to the control of ratchet, realizes the unidirectional rotation effect of ratchet.

The invention has the following advantages: this manual fender vehicle anti-skidding system passes through the wheel transmission shaft under the car low-speed state, locate the epaxial anti-skidding gear of transmission and two respectively with the first stopper of anti-skidding gear matched with and the second stopper between mutually supporting, when making car parking braking, can carry out brake braking to the car automatically, avoid the car owner to forget to pull the manual brake when parkking and lead to the car forward or backward swift current slope, the car consequently collides the damage, even take place danger, the security when this system very big improvement car parks, and the automation of parking brake has been realized, great convenience, and simultaneously, even vehicle anti-skidding system damages, the car still can continue to go, and can sound, remind car owner's device to damage, very practicality.

Drawings

Fig. 1 is a schematic block diagram of the present invention.

Fig. 2 is a schematic structural view of the low-speed anti-skid device in fig. 1.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-2, the vehicle anti-skid system in the low-speed state of the manual transmission automobile comprises a gear engaging device, a control module, a speed sensor and a low-speed anti-skid auxiliary device, wherein the gear engaging device comprises a first sensor for engaging a first gear and a second sensor for engaging a reverse gear; the low-speed anti-skid auxiliary device comprises an anti-skid gear 411 arranged on a wheel transmission shaft, a first one-way brake component for preventing the automobile from backing up in a low-speed state and a second one-way brake component for preventing the automobile from advancing in the low-speed state; the first one-way brake assembly comprises a first brake part which is matched with the anti-skid gear 411 and can rotate in one direction and a first driving device which is used for driving the first brake part to be disengaged from the anti-skid gear 411; the second unidirectional brake component comprises a second brake component which is matched with the anti-skid gear 411 and can rotate in a unidirectional mode, and a first driving device which is used for driving the second brake component to be in clutch with the anti-skid gear 411, the matching direction of the first brake component and the anti-skid gear 411 is opposite to the matching direction of the second brake component and the anti-skid gear 411, when the second brake component and the anti-skid gear 411 are hung in a first gear, the first sensor and the speed sensor are connected with the control module, and the control module controls the first driving device according to signals of the first sensor and the speed sensor, so that the first brake component is controlled to be in clutch with; when the reverse gear is engaged, the second sensor and the speed sensor are in signal connection with the control module, the control module controls the second driving device according to signals of the second sensor and the speed sensor, and further controls the second braking part to be in clutch with the anti-skid gear 411, the gear engaging device is engaged into a neutral gear, and when the speed detected by the speed sensor is zero, the third sensor and the speed sensor are in signal connection with the control module, and the control module controls the first driving device and the second driving device according to signals of the third sensor and the speed sensor, and further controls the first braking part and the second braking part to be in clutch with the anti-skid gear 411 respectively and simultaneously; when the automobile is in the first gear state, the control module controls the first one-way brake assembly, a first driving device in the first one-way brake assembly drives a first brake part, and the first brake part brakes the anti-skid gear 411, so that the automatic braking effect of the automobile in the first gear state can be realized; when the automobile is in a reverse gear, the control module controls the second one-way brake assembly, a second driving device in the second one-way brake assembly drives a second brake member, and the second brake member brakes the anti-skid gear 411, so that the automatic braking effect of the automobile in the reverse gear state can be realized; when the car is in under the neutral gear state, control module controls first one-way brake subassembly and the one-way brake subassembly of second simultaneously, first drive arrangement and the second drive arrangement in first one-way brake subassembly and the one-way brake subassembly of second drive first arrester and second arrester respectively simultaneously, first arrester and second arrester brake simultaneously to anti-skidding gear 411, thereby can realize the automatic braking's of car under the neutral gear state effect, above-mentioned structure fungible tradition manual brake, reduce the operating procedure, reduce the operation degree of difficulty, can realize automatic braking effect, moreover, the steam generator is simple in structure, but the practicality is high.

The wheel transmission shaft 41 is connected with a wheel, the anti-skid gear 411 is fixed on the wheel transmission shaft 411, the first braking part and the second braking part are the same and can clamp and stop the anti-skid gear 411 at the same time, so that the anti-skid gear 411 can not rotate, the braking effect on the automobile is realized, the wheel transmission shaft 41 can transmit force to the wheel through the arrangement of the wheel transmission shaft 41 so as to control the wheel, the anti-skid gear 411 on the wheel transmission shaft 41 can exert force on the anti-skid gear 411 through external force, namely, the anti-skid gear 411 is clamped by the first braking part and the second braking part, so that the anti-skid gear can not rotate, the control on the anti-skid gear 411, namely the control on the wheel is realized, the first braking part can play a braking effect on the anti-skid gear 411 through the matching connection of the first braking part and the second braking part, so that when the, the manual neutral gear that puts into gear, at this moment, the joint signal transmission of gear is to low-speed anti-skidding auxiliary device, first braking piece and second braking piece can pass through push rod motor 46's promotion from this, first braking piece and second braking piece mesh the screens in the anti-skidding gear 411 both sides on transmission shaft 41 respectively to anti-skidding gear 411, thereby realize the braking to transmission shaft 41 and wheel, when can effectively avoiding the car parking to put into neutral gear, forget to draw the manual brake and take place forward or backward swift current slope phenomenon, the security when having improved the car parking greatly.

A first braking member is arranged at one side of the anti-slip gear 411, a second braking member is arranged at the other side of the anti-slip gear 411, after the first braking member and the second braking member receive signals, the anti-slip gear 411 is clamped and stopped by the push rod motor 46 at the same time, so that the anti-slip gear 411 cannot rotate, the first braking member is arranged at one side of the anti-slip gear 411, the first braking member can perform unidirectional braking on the anti-slip gear 411 through the driving of the push rod motor 46, so that the anti-slip gear 411 can only rotate towards one direction, the second braking member is arranged at the other side of the anti-slip gear 411, the second braking member can perform braking towards the other direction through the driving of the push rod motor 46, and the two sides of the anti-slip gear 411 are respectively braked by the first braking member and the second braking member through the mutual matching of the first braking member, the anti-slip gear 411 is thus prevented from rotating, thereby achieving a braking effect of the propeller shaft 41 of the vehicle, i.e., a braking effect of parking the vehicle.

The first driving device comprises a loop bar 43, a connecting rod 44 movably connected with the loop bar 43, a compression spring 45 arranged on the loop bar 43 and a push rod motor 46 used for driving the ratchet wheel 42 to reciprocate, the first driving device and the second driving device have the same structure, the ratchet wheel 42 is connected with one end of the loop bar 43, the connecting rod 44 can extend and contract in the loop bar 43 so as to facilitate the extension and contraction deformation of the compression spring 45, one end of the connecting rod 44 is connected with a push rod motor rod of the push rod motor 46, the push rod motor 46 drives the connecting rod 44 through the push rod motor rod, the connecting rod 44 drives the loop bar 43 to reciprocate, the loop bar 43 drives the ratchet wheel 42 to reciprocate, the ratchet wheel 42 is used for realizing the mutual meshing effect with the anti-slip gear 411 on the transmission shaft 41, the compression spring 45 is arranged to extend and contract through the connection of the loop bar 43 and the connecting rod 44, so that the compression spring 45, the loop bar 43 and the connecting rod 44 are, when the anti-skid system of the vehicle is damaged, the ratchet wheel 42 cannot be disengaged from the anti-skid gear 411 through the push rod motor 46, at this time, if the vehicle brakes forcibly, the engine speed is increased, i.e. the accelerator is stepped on, to provide a stronger power for the rotation of the anti-skid gear 411, so that the anti-skid gear 411 rotates forcibly, the ratchet wheel 42 is connected with the sleeve rod 43, the sleeve rod 43 is connected with the connecting rod 44, the compression spring 45 is sleeved on the sleeve rod 43, the compression spring 45 can realize free expansion and contraction, so that the ratchet wheel 42 can be arranged through the compression spring 45, when receiving the action of a great driving force of the anti-skid gear 411, can contract backwards, so that the ratchet wheel 42 or the sleeve rod 43 cannot directly receive the torque action of the ratchet wheel 42 to cause damage, and the ratchet wheel 42 can not influence the rotation of the anti-skid gear 411, and can collide with the anti-skid gear, therefore, the device can remind the owner of the device damage, and an alarm effect is achieved, so that the owner does not need to worry about the device damage and cannot know the device, and the device is very simple and practical.

The first driving device comprises a loop bar 43, a connecting rod 44 movably connected with the loop bar 43, a compression spring 45 arranged on the loop bar 43 and a push rod motor 46 used for driving the ratchet wheel 42 to reciprocate, the first driving device and the second driving device have the same structure, the ratchet wheel 42 can be stably arranged on the supporting rod 421 by arranging the supporting rod 421 on the ratchet wheel 42, the ratchet wheel 422 can fix the ratchet wheel 42 at any time, so that the ratchet wheel 42 can only realize one-way rotation and can move along with the movement of the ratchet wheel 42, the operation of the device can not be influenced, the stability of the structure is ensured, the ratchet wheel 422 is movably connected with the supporting rod 421 through a rotating shaft, the supporting rod 421 is obliquely arranged, the bottom of the ratchet wheel 422 is positioned in a gap between the gear teeth of the ratchet wheel 42, and the movable connection of the ratchet wheel 422 can not influence the one-way rotation effect of the ratchet wheel 42, reduce the rigid fit, reduce the rigidity loss, the slope of bracing piece 421 sets up simultaneously, can make pawl 422 hang down naturally downwards, contact until the teeth of a cogwheel with ratchet 42, just be located the clearance, thereby realize the control to ratchet 42, brake ratchet 42, realize ratchet 42's one-way rotation effect, thereby can extend to non-slip gear 411 department through push rod motor 46, be connected with non-slip gear 411 meshing, make non-slip gear 411 stall then, the braking of car has been realized from this, the car can self-actuating brake, very simple and practical.

The loop bar 43 is fixedly arranged on the middle shaft of the ratchet wheel 42, the connecting bar 44 is fixedly connected with the push rod motor bar of the push rod motor 46, the loop bar 43 is provided with a first limit block 431, the connecting bar 44 is provided with a second limit block 441, the push rod motor 46 can drive the connecting bar 44 to perform reciprocating telescopic movement, the arrangement of the first limit block 431 on the loop bar 43 can play a role of limiting the compression spring 45, the phenomenon that the compression spring 45 cannot generate telescopic effect is avoided, the arrangement of the second limit block 441 can limit the connecting bar 44, the compression spring 45 can realize telescopic movement through the first limit block 431 and the second limit block 441, meanwhile, the push rod motor 46 can push the second limit block 441 through the push rod motor bar, so that the reciprocating movement of the ratchet wheel 42 is realized, and the rotation and stop of the anti-skid gear 411 can be controlled by the ratchet wheel 42, therefore, the automatic braking effect of the automobile is realized, the loop bar 43 is sleeved on the connecting rod 44, one end of the compression spring 45 is fixedly connected with the first limiting block 431, the other end of the compression spring 45 is fixedly connected with the second limiting block 441, the compression spring 45 can be fixed between the first limiting block 431 and the second limiting block 441 by arranging the compression spring 45 in the structure, and the telescoping effect can be generated by the matching of the loop bar 43 and the connecting rod 44, so that when the ratchet wheel 42 is subjected to stronger rotating force of the anti-skid gear 411, the accelerator is stepped on, the rotating speed of the engine is increased, the force cannot be directly borne, the ratchet wheel 42 can realize the telescoping effect through the telescoping spring 45, the ratchet wheel 42 can be disengaged from the anti-skid gear 411 under the action of the force, the anti-skid gear 411 can continue to rotate, and the smooth starting of the automobile is ensured, avoiding the damage of the device.

Claims

1. The utility model provides a vehicle antiskid system under manual fender car low-speed state which characterized in that: the anti-skid device comprises a gear engaging device, a control module, a speed sensor and a low-speed anti-skid auxiliary device; the gear stage engagement device includes: -a first sensor to engage a first gear, -a second sensor to engage a reverse gear, -a third sensor to engage a neutral gear; the low-speed antiskid auxiliary device includes: -an anti-slip gear (411) provided on the wheel transmission shaft (41); -a first unidirectional braking assembly preventing the vehicle from backing up at low speeds; the second one-way brake component is used for preventing the automobile from advancing in a low-speed state; the first one-way brake component comprises a first brake piece which is matched with the anti-skid gear (411) and can rotate in one direction; the first driving device is used for driving the first braking part to be disengaged from the anti-skid gear (411); the second one-way brake component comprises a second brake piece which is matched with the anti-skid gear (411) and can rotate in one direction; the first driving device is used for driving the second braking part to be disengaged from the anti-skid gear (411); the matching direction of the first braking part and the anti-skid gear (411) is opposite to the matching direction of the second braking part and the anti-skid gear (411); when the first gear is engaged, the first sensor and the speed sensor are connected with the control module, and the control module controls the first driving device according to signals of the first sensor and the speed sensor so as to control the first braking part to be in clutch with the anti-skid gear (411); when the reverse gear is engaged, the second sensor and the speed sensor are in signal connection with the control module, and the control module controls the second driving device according to signals of the second sensor and the speed sensor, so that the second braking part is controlled to be in clutch with the anti-skid gear (411); when the gear engaging device is engaged into a neutral gear and the speed sensor detects that the speed is zero, the third sensor and the speed sensor are in signal connection with the control module, and the control module controls the first driving device and the second driving device according to signals of the third sensor and the speed sensor, so that the first braking piece and the second braking piece are controlled to be simultaneously engaged with and disengaged from the anti-skid gear (411) respectively.

2. The anti-skid system for vehicle in low speed state of manual transmission vehicle as claimed in claim 1, wherein: the first driving device comprises a loop bar (43), a connecting rod (44) movably connected with the loop bar (43), a compression spring (45) arranged on the loop bar (43) and a push rod motor (46) used for driving the ratchet wheel (42) to reciprocate, and the first driving device and the second driving device are identical in structure.

3. The anti-skid system for vehicle in low speed state of manual transmission vehicle as claimed in claim 1, wherein: the first braking part comprises a ratchet wheel (42), a supporting rod (421) arranged on a central shaft of the ratchet wheel (42) and a pawl (422) used for braking the ratchet wheel (42), the pawl (422) is fixedly arranged on the supporting rod (421), and the first braking part and the second braking part are identical in structure.

4. The anti-skid system for vehicle in low speed state of manual transmission vehicle according to claim 2, wherein: the sleeve rod (43) is fixedly arranged on a middle shaft of the ratchet wheel (42), the connecting rod (44) is fixedly connected with a push rod motor rod of the push rod motor (46), a first limiting block (431) is arranged on the sleeve rod (43), and a second limiting block (441) is arranged on the connecting rod (44).

5. The anti-skid system for vehicle in low speed state of manual transmission vehicle according to claim 2, wherein: the sleeve rod (43) is sleeved on the connecting rod (44), one end of the compression spring (45) is fixedly connected with the first limiting block (431), and the other end of the compression spring (45) is fixedly connected with the second limiting block (441).

6. The anti-skid system for vehicle in low speed state of manual transmission vehicle as claimed in claim 3, wherein: the pawl (422) is movably connected with the supporting rod (421) through a rotating shaft, the supporting rod (421) is obliquely arranged, and the bottom of the pawl (422) is positioned in a gap between the teeth of the ratchet wheel (42).