CN110696789A

CN110696789A - Stay wire crawler type automobile emergency braking device

Info

Publication number: CN110696789A
Application number: CN201911046617.6A
Authority: CN
Inventors: 蓝显贵
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-01-17

Abstract

A pull-wire crawler-type automobile emergency braking device comprises a handle, a brake control device and a brake control device, wherein the handle is arranged in a place which can be reached by a driver in a cab; the crawler braking mechanism directly separates the rear wheel from the ground to realize emergency braking, and the mechanical trigger mechanism is used for realizing the opening and closing of the braking mechanism; and the pull wire is connected with the handle and the trigger mechanism. The invention has simple operation, safety and reliability, can quickly stop the vehicle under the emergency condition of out-of-control brake failure of the vehicle, avoids the occurrence of malignant accidents, protects the life and property safety of the vehicle, other vehicles on the road and pedestrians, and has good social benefit.

Description

Stay wire crawler type automobile emergency braking device

Technical Field

The invention relates to an automobile emergency braking device, in particular to a stay wire crawler type automobile emergency braking device.

Background

With the development of the industrial society, automobiles always play an important and positive role in the modern society. A great number of various automobiles run on roads every day around the world today, and are indispensable transportation vehicles for people. The brake system, which is an important component of the automobile, is always responsible for ensuring the safe driving of the automobile. Although the quality of the existing automobile is better and better, various problems and potential safety hazards can be avoided in long-term operation, and the brake system can cause brake failure and light or heavy traffic accidents in long-term operation.

As the existing automobiles basically only have one set of brake system, once a fault occurs in long-time and long-distance operation, drivers have difficulty in realizing emergency braking of the automobiles by other methods, particularly in long downhill sections, serious traffic accidents of vehicle damage and people death are easily caused, and the life and property safety of other vehicles and pedestrians on the automobiles and the roads is seriously threatened.

In order to solve the problem that the automobile brake system breaks down, improve the safety guarantee of the automobile after the normal brake system breaks down and reduce the occurrence of traffic accidents, people think of adopting a standby automobile emergency brake device. Most of the existing devices or systems for standby emergency braking are realized based on sensors, electric control, hydraulic pressure and the like, and although intellectualization or semi-automation is realized to a certain degree, the existing devices or systems for standby emergency braking are complex in structure, frequent fault detection is needed even when the existing devices or systems are not used, so that the existing devices or systems for standby emergency braking are normal, safe, reliable and low in cost.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides the pull-wire crawler type automobile emergency braking device which is of a pure mechanical structure, is simple to operate, is safe and reliable, can greatly improve the safety guarantee of an automobile after a normal braking system fails, and reduces the occurrence of traffic accidents.

The technical scheme adopted by the invention for solving the technical problems is as follows: comprises a handle which is arranged in a place which can be reached by a driver in a cab; the crawler braking mechanism directly separates the rear wheel from the ground to realize emergency braking, and the mechanical trigger mechanism is used for realizing the opening and closing of the braking mechanism; and the pull wire is connected with the handle and the trigger mechanism.

Compared with the prior art, the emergency braking device for the pull-wire crawler type automobile has the advantages that a driver directly pulls a steel wire connected with a mechanical trigger mechanism arranged on a frame above the front of a rear wheel, the crawler braking mechanism is put down on the ground, the rear wheel is pressed up and further separated from the ground, so that the emergency braking of the automobile is effectively realized, and the emergency braking device is simple, efficient and reliable in structure and operation.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic diagram of an application of one embodiment of the present invention.

FIG. 2 is a schematic diagram of the arrangement of one embodiment of the present invention.

Fig. 3 is a schematic view of the structure of an embodiment of the present invention in an unused state (non-braking).

Fig. 4 is a schematic structural view of an embodiment of the present invention in a use state (emergency braking).

In the figure, 1, a vehicle body, 2, a cab, 3, front wheels, 4, rear wheels, 5, handles, 6, stay wires, 7, a tray, 8, a crawler, 9, a vehicle frame, 10, a sleeve, 11, fixing bolts I, 12, fixing bolts II, 13, fixing bolts III, 14, vertical bolt strips, 15, fixing rings, 16, fixing bolts IV, 17, fixing bolts V, 18, transverse bolt strips, 19, tray jacks, 20, fixing ring jacks, 21 and transverse bolt strip jacks.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, belong to the scope of the present invention.

Fig. 1 to 4 are schematic structural views illustrating a preferred embodiment of the present invention. As shown in fig. 1 and 2, a general automobile comprises a body 1, a cab 2, front wheels 3 and rear wheels 4, wherein the body 1 and the cab 2 are mounted on a common auxiliary frame 9, the front wheels 4 and the rear wheels 4 are mounted below the frame 9, while the embodiment of the invention is mounted between the frame 9 and two groups of rear wheels 4 and directly operated in the cab 2, and an emergency brake device is provided for realizing the emergency stop of the automobile by directly pulling a mechanical trigger mechanism connected with the frame 9 mounted above the rear wheels 4 and lowering a track brake mechanism on the ground to press the rear wheels 4 to be separated from the ground.

In the embodiment shown in fig. 3 and 4, the pull-wire crawler type emergency brake device for the automobile comprises a handle 5, a pull wire 6, a tray 7, a crawler 8, a frame 9, a sleeve 10, a plurality of fixing bolts, a vertical bolt strip 14, a fixing ring 15 and a transverse bolt strip 18. The handle 5 is an operation handle of the present device, and is usually provided in the cab 2 at a place where a driver can reach. The pull wire 6 is a direct operation part of the invention, the pull wire 6 is a high-strength steel wire rope, one end of the pull wire is connected with the handle 5, and the other end of the pull wire is sequentially connected with the vertical bolt strip 14 and the transverse bolt strip 18, and the pull wire has the function of connection transmission and transmits the operation intention of a driver to the vertical bolt strip 14 and the transverse bolt strip 18. The sleeve 10 is a steel spiral soft hollow pipe which is sleeved outside the pull wire 6 and can not be compressed, but can be bent, and the whole pull wire 6 and the sleeve 10 have the same structure and principle functions as those of a bicycle brake cable pipe. The fixing bolt II 12 is used for fixing one end of the sleeve 10, the pull wire 6 is led out of the sleeve 10, the fixing bolt IV 16 is used for supporting the pull wire 6, and the fixing bolt V17 is also used for supporting the pull wire 6.

Referring to fig. 3 and 4, the tray 7 and the crawler 8 together form the crawler braking mechanism of the present invention, the tray 7 is a storage device of the crawler 8 of the present device, and is used for storing the crawler 8 at ordinary times, and can be designed into a semicircular shape or a square shape, one end of the tray is movably and fixedly installed on the frame 9, the other end of the tray is provided with a tray insertion hole 19, and a group of trays 7 are respectively arranged at the rear wheels 4 at the left and right sides. The tray 7 can be movably fixed (hinged) on the frame 9 at one side through a fixing bolt I11, so that the tray and the frame 9 form a hinge similar to a door hinge, and the tray 7 can be fixed, rotated and swung by the fixing bolt I11. The crawler belt 8 is a key part of the device, and the crawler belt 8 is firmly connected and fixed on the frame through the fixing bolt III 13. Preferably, the crawler belt 8 is a steel belt with a width larger than the contact width of the rear wheels 4 and the ground, the length of the steel belt exceeds that of all the rear wheels 4 (the rear wheels 4 of the truck are generally used by overlapping two wheels to increase the load capacity of the truck) after the crawler belt 8 is put down, the steel belt can be completely rolled up and separated from the ground, and a group of crawler belts 8 are respectively arranged at the rear wheels 4 at the left side and the right side of the truck; finally, the pull wires 6 of the two sets of track brake mechanisms are combined together and are connected to the handle 5 together (see fig. 2).

Referring also to fig. 3 and 4, the vertical tie bar 14, the fixing ring 15 and the transverse tie bar 18 constitute the mechanical trigger mechanism of the present invention, the transverse tie bar 18 is used for passing through the fixing ring insertion hole 20 on the fixing ring 15 and then passing through the tray insertion hole 19 at the free end of the tray 7 to fix the tray 7, one end of the transverse tie bar 18 is provided with a transverse tie bar insertion hole 21 for inserting the vertical tie bar 14, and the other end thereof is connected with the tail end of the pull wire 6. The vertical bolt strip 14 is fixed on the pull wire 6 between the sleeve 10 and the transverse bolt strip 18 and is used for inserting into the transverse bolt strip insertion hole 21 at one end of the transverse bolt strip 18 to fix the transverse bolt strip 18. The fixing ring 15 is fixed on the frame 9, and a transverse fixing ring inserting hole 20 is arranged in the middle for inserting the transverse bolt strip 18.

The working process is as follows: as shown in fig. three, the crawler belt 8 is folded and stored in the tray 7 at ordinary times (non-braking state when not in use), one end of the tray 7 is fixed on the vehicle frame 9 by a fixing bolt i 11, and the other end is fixed by a cross tie bar 18 passing through a fixing ring insertion hole 20 in the fixing ring 15. In order to prevent the transverse tie bar 18 from sliding off, one end of the transverse tie bar 18 is in a large-head cap shape, the other end of the transverse tie bar 18 is provided with a transverse tie bar insertion hole 21, the vertical tie bar 14 is inserted into the transverse tie bar for fixing at ordinary times, the upper end of the vertical tie bar 14 is fixed on the stay wire 6, the stay wire 6 is loose at ordinary times, and the vertical tie bar 14 cannot be pulled up. As shown in fig. 4, when the automobile has brake failure in emergency, the driver can pull the handle 5 of the device of the present invention by hand, and pull the pulling wire 6, so that the whole pulling wire 6 is tightened. Thereby lifting the vertical latch bar 14 out of the horizontal latch bar receptacle 21 of the horizontal latch bar 18. The stay wire 6 is tightened continuously, the stay wire bypasses the fixing bolt IV 16 and the fixing bolt V17, the transverse bolt strip 18 is pulled, the vertical bolt strip 14 in the front end transverse bolt strip insertion hole 21 is pulled away, the transverse bolt strip 18 is easily separated from the tray insertion hole 19 in the tray 7 under the pulling of the stay wire 6, and the insertion hole end of the tray 7 is quickly dropped due to the loss of the support of the transverse bolt strip 18. At this time, the crawler belt 8 originally housed in the tray 7 also drops. Because one end of the crawler belt 8 is fixed on the frame 9, the other end of the crawler belt 8 falls off the road surface, and because the crawler belt 8 is longer, the crawler belt naturally drags on the ground and is quickly pressed by the wheels, after the wheels are completely pressed on the crawler belt 8, the wheels are separated from the ground by the crawler belt 8, and the front end of the crawler belt 8 is quickly tightened, thereby realizing the emergency braking of the vehicle.

The principle and the advantages are as follows: the invention relates to an automobile emergency braking device which utilizes a pulling stay wire 6 to directly pull a device to put down a crawler 8 to isolate the contact between a tire and the ground, and utilizes the non-rotatable crawler 8 to contact the ground, thereby realizing the braking purpose of an automobile. The safety helmet protects the life and property safety of the vehicle, other vehicles on the road and pedestrians, has good social benefit, is a centering pill for drivers, and has good spirit soothing effect on the drivers. The invention is developed and obtained based on actual observation of road experience, is particularly suitable for heavy trucks, is particularly suitable for emergency braking action of complex roads with long downhill and steep downhill turning in mountain areas, and can quickly and stably stop the vehicle by only pulling the handle 5 by a driver under the emergency condition of brake failure of the vehicle so as to avoid accidents in the next second.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiment according to the technical spirit of the present invention are included in the protection scope of the present invention.

Claims

1. The utility model provides a pull wire crawler-type automobile emergency brake device which characterized by: comprises a handle (5) which is arranged in the cab (2) and can be reached by the driver;

the crawler braking mechanism directly separates the contact between the rear wheel (4) and the ground to realize emergency braking,

the mechanical trigger mechanism is used for realizing the opening and closing of the brake mechanism;

and a pull wire (6) connecting the handle (5) and the trigger mechanism.

2. The pull-wire crawler type automobile emergency braking device as claimed in claim 1, wherein: the crawler braking mechanism comprises a tray (7) and a crawler (8); the tray (7) is a storage device of the crawler belt (8), one end of the tray is hinged on the frame (9), the other end of the tray is provided with a tray jack (19), and a group of trays is respectively arranged above the front ends of the left and right rear wheels (4); the crawler belt (8) is arranged in the tray (7) when not in use, one end of the crawler belt is fixed on the frame (9), and the number of the crawler belt is matched with that of the tray (7).

3. A pull-wire crawler type automobile emergency brake device as claimed in claim 2, wherein: the tray (7) is made into a semicircular shape or a square shape.

4. A pull-wire crawler type emergency brake device for vehicles as claimed in claim 2 or 3, wherein: the crawler belt (8) is a steel belt with the width larger than the contact width of the rear wheels (4) and the ground, and the length of the crawler belt exceeds that of all the rear wheels (4) which can be completely rolled up and separated from the ground after the crawler belt (8) is put down.

5. A pull-wire crawler type emergency brake device for vehicles as claimed in claim 1 or 2, wherein: the mechanical trigger mechanism comprises a vertical bolt strip (14), a fixing ring (15) and a transverse bolt strip (18), the fixing ring (15) is fixedly connected to the frame (9) between the tray (7) and the rear wheel (4), and a transverse fixing ring insertion hole (20) is formed in the middle of the fixing ring; one end of the transverse bolt strip (18) is in a big-end cap shape, the other end of the transverse bolt strip is provided with a vertical transverse bolt strip jack (21), when the novel multifunctional combined bolt is not used, the transverse bolt strip (18) sequentially penetrates through the fixing ring jack (20) and the tray jack (19), and the vertical bolt strip (14) is inserted into the transverse bolt strip jack (21) for fixing; the upper end of the vertical bolt strip (14) is fixed on the pull wire (6), and the pull wire (6) is looser at ordinary times, so that the vertical bolt strip (14) cannot be pulled up; the pull wire (6) is connected to the big end cap end of the transverse bolt strip (18) through the vertical bolt strip (14).

6. A pull-wire crawler type emergency brake device for vehicles as claimed in claim 1 or 2, wherein: one end of the stay wire is connected with the handle (5), the other end of the stay wire is sequentially connected with the vertical bolt strip (14) and the transverse bolt strip (18), and the stay wire (6) is supported on the frame (9) through a plurality of fixing bolts.

7. The pull-wire crawler type automobile emergency braking device as claimed in claim 6, wherein: the outer part of the pull wire (6) is also provided with a sleeve (10), the sleeve (10) forms a pipeline on the outer side of the pull wire (6), and only the pull wire (6) moves and the sleeve (10) cannot be compressed but the sleeve (10) can be bent during emergency braking.

8. A pull-wire crawler type emergency brake device for automobiles as claimed in claim 7, wherein: the sleeve (10) is a steel spiral soft hollow pipe.