CN212950543U

CN212950543U - Emergency brake device for brake failure

Info

Publication number: CN212950543U
Application number: CN202021947314.XU
Authority: CN
Inventors: 原长青; 郝会娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-04-13
Anticipated expiration: 2030-09-08

Abstract

The utility model belongs to the technical field of vehicle braking, a brake failure emergency braking device is related to, the major structure of device includes the main shaft, first longitudinal support rod, second longitudinal support rod, the sliding shaft, the spring, first iron chain box, second iron chain box, first iron chain, the second iron chain, first stopper, the second stopper, the staple, reverse pulley, the second gear, little spiral, the motor box, horizontal bracing piece, the motor, first gear, the annular chain, the second locating lever, forward pulley, first locating lever, the third iron chain, the spring leaf, first button, controller and major axis, the right side cover has the sliding shaft on the main shaft, the sliding shaft right-hand member is provided with the spring, reverse pulley, the second gear, little spiral have set gradually to the right side on the sliding shaft, reverse pulley is the inner ratchet structure; the vehicle brake device realizes secondary emergency braking when the vehicle brake device fails, assists the brake device to realize braking, shortens braking travel, has simple and ingenious integral structure design, is safe and reliable, is convenient to operate and popularize, and is environment-friendly in application.

Description

Emergency brake device for brake failure

The technical field is as follows:

the utility model belongs to the technical field of the vehicle braking, a brake failure emergency braking device is related to, especially a can emergency braking's brake equipment of saving oneself when the vehicle brake is out of order, can also play the braking action under the condition of out of control that the vehicle skids on abrupt slope, ice and snow road, muddy road. It is especially suitable for automobile, truck, tricycle and other vehicles.

Background art:

in the era of efficiency and time, vehicles such as automobiles and the like can bring great benefits to the convenience of human traffic, reduce unnecessary time for driving to the road, bring travelling comfort no matter in sunny or rainy and snowy weather, and along with the improvement of living standard of people, vehicles such as automobiles and the like gradually go into lives and families of people, the traffic time can be shortened when people drive to travel, the working efficiency is improved, fatigue caused by long-time sitting in a car with a team can be avoided when people travel by self-driving, beautiful scenery can be appreciated when people stay in places with excellent scenery, and the popularization rate of automobiles is also increased year by year; vehicles such as electric tricycles are also widely popularized in rural areas, villages and towns and other areas due to the advantages of convenience, economy and the like, so that the safety of the vehicles is concerned with the life safety of everyone, and particularly, the vehicles cannot be braked easily due to the failure of brakes, so that serious traffic accidents are caused; in addition, even on a steep slope, an ice-snow road and a muddy road, when a running vehicle slips out of control, a brake failure or a brake stroke is lengthened, so that traffic accidents are caused. Therefore, the emergency braking device for brake failure is sought to be designed, the emergency braking device is fixed on the girders on two sides of a vehicle, the starting button is arranged, when auxiliary braking is needed, the button is pressed down, the two brakes are placed on the ground in front of the tire to prevent the vehicle from going forward, and after the emergency braking device is used, the button is pressed down, the two brakes are folded up, hung above the front of the tire and used as a mudguard.

The invention content is as follows:

the utility model aims to overcome the shortcoming that prior art exists, propose and design a brake failure emergency braking device to solve the problem that can not brake when the vehicle brake is out of order, solve on abrupt slope, ice and snow road, muddy road vehicle skid out of control and the long problem of braking journey, improve the factor of safety of vehicle.

In order to realize the above utility model purpose, the utility model relates to a main structure of brake failure emergency braking device includes: the device comprises a main shaft, a first longitudinal supporting rod, a second longitudinal supporting rod, a sliding shaft, a spring, a first iron chain box, a second iron chain box, a first iron chain, a second iron chain, a first brake, a second brake, a fixing nail, a reverse pulley, a second gear, a small screw, a motor box, a transverse supporting rod, a motor, a first gear, an annular chain, a second positioning rod, a forward pulley, a first positioning rod, a third iron chain, a spring piece, a first button, a controller and a long shaft; the two ends of the main shaft are fixed on a first longitudinal support rod and a second longitudinal support rod on two sides through a bearing and a bearing seat, a sliding shaft is sleeved on the right side of the main shaft, the outer diameter of the left side part of the main shaft is the same as that of the sliding shaft, the outer diameter of the right side part of the main shaft is matched with the inner diameter of the sliding shaft, the sliding shaft is of a hollow tubular structure and can freely slide along the main shaft, and a spring is arranged at the right end of the sliding shaft; the left end of the sliding shaft is provided with an inclined end surface structure which can be matched and matched with the inclined end surface structure at the right end of the large-diameter section on the main shaft, when the sliding shaft and the main shaft are combined, the sliding shaft and the main shaft are synchronous, and when the sliding shaft and the main shaft are separated, the sliding shaft can freely slide or rotate along the main shaft; a first iron chain box and a second iron chain box which have the same structure are fixedly arranged on the left side and the right side of the main shaft, and a first iron chain and a second iron chain are respectively wound in the first iron chain box and the second iron chain box; the end parts of the first iron chain and the second iron chain are respectively fixedly connected with a first brake and a second brake, the first brake and the second brake are long iron blocks made of metal, the cross sections of the first brake and the second brake are right-angled triangles, one side of each right-angled triangle is concave inwards to form an arc, the first iron chain and the second iron chain are fixed on one right-angled side of the first brake and the second brake, a plurality of fixing nails with protruding structures are arranged on the other right-angled side of the first brake and the second brake, and the two brakes are fixedly connected through long shafts to prevent the two brakes from swinging around; a reverse pulley, a second gear and a small screw are sequentially arranged on the sliding shaft from left to right, the reverse pulley is of an inner ratchet structure and can only rotate reversely after being matched with a pawl, the pawl and the sliding shaft rotate synchronously, and the other end of a third iron chain is wound in an outer groove of the reverse pulley; the second gear is fixedly arranged on the sliding shaft, the small spiral is of a reverse external thread structure, the length of the small spiral is 1-10 mm, and the small spiral with the outer diameter larger than that of the sliding shaft is coaxial with the sliding shaft; a motor box is fixed on the inner side surface of the second longitudinal support rod, a transverse support rod is fixedly arranged between the left side surface of the motor box and the first longitudinal support rod, and a motor is arranged in the motor box; a rotating shaft of the motor is provided with a first gear which rotates synchronously, the first gear and a second gear are arranged correspondingly, and the first gear and the second gear are driven by an annular chain; a second positioning rod is fixedly arranged at a position, corresponding to the small screw, on the side face of the motor box, an internal thread structure is fixedly arranged at one end of the second positioning rod, the internal thread structure is matched with the external thread of the small screw, and the length of the internal thread is 1-10 mm; a large-diameter part of the main shaft is provided with a forward pulley which is of a ratchet structure and can only rotate in the forward direction after being matched with a pawl; the first positioning rod is of a three-section bending rod structure, one end of the first positioning rod is fixed with the pawl, the other end of the first positioning rod is fixed with the third iron chain, and the middle rod of the first positioning rod is hinged on the transverse supporting rod through a hinge and connected through a spring; the bottom of first longitudinal support pole, the bottom of second longitudinal support pole corresponds the position of first stopper and second stopper and is fixed respectively and is equipped with the spring leaf, be provided with first button under the spring leaf of second longitudinal support pole, electric information connection between first button and the controller, electric information connection between controller and the motor, the motor is by battery powered, the power-on and power-off of controller control motor, corotation and reversal, set up corotation button on the controller, the reversal button, when first stopper and second stopper are in the top initial position, just in time compress tightly the spring leaf, press first button simultaneously, with the motor power disconnection.

When the utility model is used, the device is welded or fixed on the girders at the two sides of the vehicle, the controller is arranged at the accessible position in the cab, when the vehicle runs, when the brake failure or the slip condition occurs, the reversing button on the controller is pressed to start the motor to reverse, the first gear drives the second gear to rotate, the second gear drives the sliding shaft to reverse, the main shaft does not rotate under the ratchet structure action of the forward pulley, the sliding shaft starts to slowly break away from the main shaft rightwards, when the sliding shaft does not break away from the main shaft, the small screw starts to combine with the internal thread of the second positioning rod, so that the sliding shaft continues to move rightwards under the thread matching action and compresses the spring, after the sliding shaft completely breaks away from the main shaft, the small screw passes through the internal thread of the second positioning rod and breaks away from, the sliding shaft continues to reverse, the reverse pulley starts to reverse work, the third iron chain is lifted and drives the pawl on the first positioning rod to loosen, the first brake and the second brake fall under the dual actions of self gravity and the spring piece, and simultaneously drive the first iron chain box, the second iron chain box and the main shaft to rotate forwards until the first brake and the second brake fall to the ground; after the brake is used, a forward rotation button on the controller is pressed to enable the motor to rotate forwards, the sliding shaft moves leftwards under the assistance of a spring at the right end, a small screw enters an internal thread of the second positioning rod, the reverse pulley is not stressed to loosen a third iron chain, a pawl of the first positioning rod restores the original position and compresses the forward pulley under the action of the spring force, the sliding shaft is meshed with the main shaft, the small screw is separated from the internal thread of the second positioning rod, the forward pulley starts to work, the sliding shaft drives the main shaft to rotate forwards, the main shaft drives the iron chain box to pack the iron chain, when the brake restores to the bottom end of the iron chain box, the spring piece is compressed, the first button is simultaneously pressed by the second brake, the motor is controlled to stop working, and at the moment, the two brakes are hung above the front.

Compared with the prior art, the utility model, realize the secondary emergency braking when the vehicle brake is out of order, the auxiliary brake realizes the braking on the road that skids, shorten the braking stroke, ensure the vehicle safety of going; the device has the advantages of simple and ingenious overall structural design, scientific principle, safety, reliability, good universality, convenient operation and popularization and environment-friendly application.

Description of the drawings:

fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the principal axis and sliding axis occlusal surface structure of the present invention.

Fig. 3 is a schematic view of the structure principle of the reverse pulley of the present invention.

1-main shaft, 2-first longitudinal support rod, 3-second longitudinal support rod, 4-sliding shaft, 5-spring, 6-first iron chain box, 7-second iron chain box, 8-first iron chain, 9-second iron chain, 10-first brake, 11-second brake, 12-fixing nail, 13-reverse pulley, 14-second gear, 15-small screw, 16-motor box, 17-transverse support rod, 18-motor, 19-first gear, 20-annular chain, 21-second positioning rod, 22-forward pulley, 23-first positioning rod, 24-third iron chain, 25-spring plate, 26-first button, 27-controller and 28-long shaft

The specific implementation mode is as follows:

the present invention will be further described with reference to the following specific embodiments and accompanying drawings.

Example 1:

the brake failure emergency braking device that this embodiment relates to, its major structure includes: the device comprises a main shaft 1, a first longitudinal support rod 2, a second longitudinal support rod 3, a sliding shaft 4, a spring 5, a first iron chain box 6, a second iron chain box 7, a first iron chain 8, a second iron chain 9, a first brake 10, a second brake 11, a fixing nail 12, a reverse pulley 13, a second gear 14, a small screw 15, a motor box 16, a transverse support rod 17, a motor 18, a first gear 19, an annular chain 20, a second positioning rod 21, a forward pulley 22, a first positioning rod 23, a third iron chain 24, a spring piece 25, a first button 26, a controller 27 and a long shaft 28; the two ends of a main shaft 1 are fixed on a first longitudinal support rod 2 and a second longitudinal support rod 3 at two sides through bearings and bearing seats, a sliding shaft 4 is sleeved on the right side of the main shaft 1, the outer diameter of the left part of the main shaft 1 is the same as that of the sliding shaft 4, the outer diameter of the right part of the main shaft 1 is matched with the inner diameter of the sliding shaft 4, the sliding shaft 4 is of a hollow tubular structure, the sliding shaft 4 can freely slide along the main shaft 1, and a spring 5 is arranged at the right end of the sliding shaft 4; the left end of the sliding shaft 4 is provided with an inclined end surface structure which can be matched and matched with the inclined end surface structure at the right end of the large-diameter section on the main shaft 1, when the sliding shaft 4 and the main shaft 1 are combined, the sliding shaft 4 is synchronous with the main shaft 1, and when the sliding shaft 4 is separated from the main shaft 1, the sliding shaft 4 can freely slide or rotate along the main shaft 1; a first iron chain box 6 and a second iron chain box 7 which are identical in structure are fixedly arranged on the left side and the right side of the main shaft 1, a first iron chain 8 and a second iron chain 9 are respectively wound in the first iron chain box 6 and the second iron chain box 7, the internal widths of the first iron chain box 6 and the second iron chain box 7 are matched with the width of the iron chain, and only single-wire coiling of the iron chain is allowed; the end parts of the first iron chain 8 and the second iron chain 9 are respectively fixedly connected with a first brake 10 and a second brake 11, the first brake 10 and the second brake 11 are long iron blocks made of metal, the length is 150-260 mm, the cross section of each of the first brake 10 and the second brake 11 is a right-angled triangle with one side being concave inwards to form an arc, the radian of one side of the concave is larger than or equal to that of a tire, the first iron chain 8 and the second iron chain 9 are fixed on one right-angled side of the first brake 10 and the second brake 11, a plurality of fixing nails 12 with a convex structure are arranged on the other right-angled side of the first brake 10 and the second brake 11 and are used for firmly adhering to the ground when the brakes are grounded, and the two brakes are fixedly; a reverse pulley 13, a second gear 14 and a small screw 15 are sequentially arranged on the sliding shaft 4 from left to right, the reverse pulley 13 is of an inner ratchet structure and can only rotate reversely after being matched with a pawl, the pawl and the sliding shaft 4 rotate synchronously, and the other end of a third iron chain 24 is wound in an outer groove of the reverse pulley 13; the second gear 14 is fixedly arranged on the sliding shaft 4, the small screw 15 is of a reverse external thread structure, the length of the small screw is 1-3 mm, and the small screw 15 with the outer diameter larger than that of the sliding shaft 4 is coaxial with the sliding shaft 4; a motor box 16 is fixed on the inner side surface of the second longitudinal support rod 3, a transverse support rod 17 is fixedly arranged between the left side surface of the motor box 16 and the first longitudinal support rod 2, a motor 18 is arranged in the motor box 16, and a rotating shaft of the motor 18 is arranged in parallel with the main shaft 1; a rotating shaft of the motor 18 is provided with a first gear 19 which synchronously rotates, the first gear 19 is arranged corresponding to the second gear 14, and the first gear 19 and the second gear 14 are driven by an annular chain 20; a second positioning rod 21 is fixedly arranged at a position, corresponding to the small screw 15, on the side face of the motor box 16, an internal thread structure is fixedly arranged at one end of the second positioning rod 21, the internal thread structure is matched with the external thread of the small screw 15, and the length of the internal thread is 1-3 mm; a forward pulley 22 is arranged on the large-diameter part of the main shaft 1, and the forward pulley 22 is of a ratchet structure and can only rotate in the forward direction after being matched with a pawl; the first positioning rod 23 is of a three-section bending rod structure, one end of the first positioning rod 23 is fixed with a pawl, the other end of the first positioning rod 23 is fixed with a third iron chain 24, and the middle rod of the first positioning rod 23 is hinged on the transverse supporting rod 17 through a hinge and connected through a spring 5; the bottom of the first longitudinal support rod 2 and the second longitudinal support rod 3 are respectively and fixedly provided with a spring piece 25 corresponding to the positions of the first brake 10 and the second brake 11, a first button 26 is arranged below the spring piece 25 of the second longitudinal support rod 3, the first button 26 is in electrical information connection with the controller 27, the controller 27 is in electrical information connection with the motor 18, the motor 18 is powered by a battery, the controller 27 controls the power-on and power-off of the motor 18, and is capable of rotating forwards and reversely, the controller 27 is provided with a forward rotation button and a reverse rotation button, when the first brake 10 and the second brake 11 are at the initial position of the top, the spring piece 25 is just pressed, the first button 26 is pressed simultaneously, and the power supply of the motor 18 is disconnected.

The initial state of the device is that the sliding shaft 4 is engaged and fixed with the main shaft 1 under the elasticity of the spring 5 at the right end, the first brake 10 and the second brake 11 compress the spring piece 25, when the device is used, the device is welded or fixed on the girders at the two sides of the vehicle, the controller 27 is arranged at the accessible position in the cab, during the running of the vehicle, when the brake failure or the slip condition occurs, the reversing button on the controller 27 is pressed to start the motor 18 to reverse, the first gear 19 drives the second gear 14 to rotate, the second gear 14 drives the sliding shaft 4 to reverse, the main shaft 1 does not rotate under the ratchet structure action of the forward pulley 22, the sliding shaft 4 starts to slowly separate from the main shaft 1 rightwards, when the sliding shaft 4 does not separate from the main shaft 1, the small screw 15 starts to be combined with the internal thread of the second positioning rod 21, so that the sliding shaft 4 continues to move rightwards under the thread matching action and compresses the, when the sliding shaft 4 is completely separated from the main shaft 1, the small screw 15 penetrates through the internal thread of the second positioning rod 21 and is separated, the sliding shaft 4 continuously rotates reversely, the reverse pulley 13 starts to rotate reversely, the third iron chain 24 is pulled and drives the pawl on the first positioning rod 23 to release the forward pulley 22, the first brake 10 and the second brake 11 fall under the dual actions of self gravity and the spring piece 25, the first iron chain box 6, the second iron chain box 7 and the main shaft 1 are simultaneously driven to rotate forwards until the first brake 10 and the second brake 11 fall, when the first brake 10 and the second brake 11 fall, the first brake 10 and the second brake 11 just fall in front of the wheels, the wheels press the concave cambered surfaces of the first brake 10 and the second brake 11, and the fixing nails 12 of the first brake 10 and the second brake 11 press the ground, so that the vehicle is parked under the powerful actions of the brakes, the iron chains and the brakes; after the use is finished, a forward rotation button on the controller 27 is pressed to enable the motor 18 to rotate forward, the sliding shaft 4 moves leftwards under the boosting of a spring 5 at the right end, the small screw 15 enters an internal thread of the second positioning rod 21, the reverse pulley 13 is not stressed to loosen the third iron chain 24, a pawl of the first positioning rod 23 restores to the original position under the action of the spring 5 and presses the forward pulley 22, the sliding shaft 4 is meshed with the main shaft 1, the small screw 15 is separated from the internal thread of the second positioning rod 21, the forward pulley 22 starts to work, the sliding shaft 4 drives the main shaft 1 to rotate forward, the main shaft 1 drives the iron chain box to pack the iron chain, when the brake restores to the bottom end of the iron chain box, the spring piece 25 is pressed, the second brake 11 simultaneously presses the first button 26 to control the motor 18 to stop working, and at the moment, two brake tires are hung above the front and used.

Further, the device is applied in front of two rear wheels of a car or truck for auxiliary braking of the car or truck; the device can also be applied in front of two rear wheels of the electro-tricycle for auxiliary braking of the electro-tricycle; the size of the device is not limited to the size of the embodiment, and the size of the device is matched with a vehicle matched with the device for use, so that the braking effect is achieved conveniently.

Example 2:

the main structure of the emergency brake device for brake failure related to the embodiment is the same as that of embodiment 1, the first gear 19 is connected with the rotating shaft of the motor 18 through a sliding key, and when the sliding shaft moves to the right or left, the second gear 14 drives the first gear 19 to move to the right or left, so that the rotation or movement resistance is reduced.

Claims

1. A brake failure emergency braking device is characterized in that a main body structure comprises a main shaft, a first longitudinal supporting rod, a second longitudinal supporting rod, a sliding shaft, a spring, a first iron chain box, a second iron chain box, a first iron chain, a second iron chain, a first brake, a second brake, a fixing nail, a reverse pulley, a second gear, a small screw, a motor box, a transverse supporting rod, a motor, a first gear, an annular chain, a second positioning rod, a forward pulley, a first positioning rod, a third iron chain, a spring piece, a first button, a controller and a long shaft; the two ends of the main shaft are fixed on a first longitudinal support rod and a second longitudinal support rod on two sides through a bearing and a bearing seat, a sliding shaft is sleeved on the right side of the main shaft, the outer diameter of the left part of the main shaft is the same as that of the sliding shaft, the outer diameter of the right part of the main shaft is matched with the inner diameter of the sliding shaft, and a spring is arranged at the right end of the sliding shaft; the left end of the sliding shaft is provided with an inclined end surface structure which can be matched and matched with the inclined end surface structure at the right end of the large-diameter section on the main shaft; a first iron chain box and a second iron chain box which have the same structure are fixedly arranged on the left side and the right side of the main shaft, and a first iron chain and a second iron chain are respectively wound in the first iron chain box and the second iron chain box; the end parts of the first iron chain and the second iron chain are respectively fixedly connected with a first brake and a second brake, the cross sections of the first brake and the second brake are right-angled triangles, one sides of the first brake and the second brake are concave inwards to form an arc, the first iron chain and the second iron chain are fixed on one right-angled side of the first brake and the second brake, a plurality of fixing nails with protruding structures are arranged on the other right-angled side of the first brake and the second brake, and the two brakes are fixedly connected by long shafts; a reverse pulley, a second gear and a small screw are sequentially arranged on the sliding shaft from left to right, the reverse pulley is of an inner ratchet structure, and the other end of the third iron chain is wound in an outer groove of the reverse pulley; the second gear is fixedly arranged on the sliding shaft, the small screw is of a reverse external thread structure, and the small screw with the outer diameter larger than that of the sliding shaft is coaxial with the sliding shaft; a motor box is fixed on the inner side surface of the second longitudinal support rod, a transverse support rod is fixedly arranged between the left side surface of the motor box and the first longitudinal support rod, and a motor is arranged in the motor box; a rotating shaft of the motor is provided with a first gear which synchronously rotates, and the first gear and the second gear are driven by an annular chain; a second positioning rod is fixedly arranged at a position, corresponding to the small screw, on the side surface of the motor box, an internal thread structure is fixedly arranged at one end of the second positioning rod, and the internal thread structure is matched with the external thread of the small screw; a large-diameter part of the main shaft is provided with a forward pulley which is of a ratchet structure and can only rotate in the forward direction after being matched with a pawl; the first positioning rod is of a three-section bending rod structure, one end of the first positioning rod is fixed with the pawl, the other end of the first positioning rod is fixed with the third iron chain, and the middle rod of the first positioning rod is hinged on the transverse supporting rod through a hinge and connected through a spring; the bottom of the first longitudinal support rod and the bottom of the second longitudinal support rod correspond to the first brake and the second brake, spring pieces are fixedly arranged respectively, a first button is arranged below the spring piece of the second longitudinal support rod, the first button is in electrical information connection with the controller, the controller is in electrical information connection with the motor, the motor is powered by a battery, the controller controls the motor to be powered on and powered off, rotate forwards and reversely, and a forward rotation button and a reverse rotation button are arranged on the controller.

2. The emergency brake device in case of brake failure according to claim 1, wherein the first gear is connected to the rotating shaft of the motor by a sliding key.