CN2647605Y - Vehicle anti-skid device on ice and snow road - Google Patents

Abstract

An anti-skid device for automobiles on icy and snowy roads, comprising an anti-skid wheel disc and a plurality of anti-skid claws. The anti-skid wheel disc (1) of the anti-skid device is welded with a plurality of anti-skid claws (2). A plurality of screw holes are arranged near the center of the anti-skid wheel disc (1). The anti-skid wheel disc (1) is also provided with a plurality of windows for facilitating tire inflation. A plurality of special wheel hub strong bolts (3) are used to fix the anti-skid wheel disc (1) on the wheel hub of the automobile through the screw holes. The anti-skid claw (2) comprises an anti-skid claw body (4), an anti-skid claw rod (9), a claw head (10), and a buffer spring (18). The device has low vibration, low noise, convenient maintenance and use, low cost, and extended service life. It can be installed and used on automobiles with wheel structures of different sizes and tire outer diameters. When the automobile is driving on icy and snowy roads, wheel slip and irregular side slip can be eliminated, so that the automobile can be in a completely controlled and safe driving, safe reversing, and parking.

Description

Vehicle anti-skid device on ice and snow road

Technical field:

The utility model relates to the technology of the automobile industry, in particular to an antiskid device for automobiles on ice and snow roads.

technical background:

The anti-skid chains used by automobiles on ice and snow roads are only used for trucks and large buses or jeeps, while cars cannot use anti-skid chains due to the small space between the tires (rims) and the frame chassis; in addition, use anti-skid chains It is a rigid connection. When the car is running on ice and snow roads, the vehicle vibrates greatly, the noise is high, and the tires are severely worn. After consulting the data, there is a kind of anti-skid device called "safety anti-skid device for automobiles". produce, or even break the foot bar; when the anti-skid foot bar is stretched out, the radius of the anti-skid device is larger than the radius of the car wheel, when the car is running, the vibration is very large, and when it enters the road without ice and snow, the vibration is even greater; the thin foot There are grooves on the surface of the rod and the limit boss, although it can discharge compressed air, it is also easy to absorb dust and has no dust-proof device; the anti-skid device has only one spring, and when the anti-skid foot is compressed and resets, Beat the end face of the anti-skid foot cover and the wire cover, because the wheel rotates hundreds of times per minute, the noise generated by frequent knocking is large, and the wear is also large; the main wheel has no tire inflation window, and the anti-skid device must be removed every time the tire is inflated , it is inconvenient to use; the anti-skid device is difficult to maintain and the cost is high. When the foot bar is worn out, the anti-skid foot and the anti-skid foot cover must be replaced as a whole.

Invention content:

In order to overcome the above-mentioned defects, the purpose of this utility model is to provide an anti-skid device for vehicles on icy and snowy roads, which has good anti-skid effect and is easy to use.

The purpose of this utility model is achieved with the following technical solutions:

The anti-skid device for vehicles on icy and snowy roads consists of an anti-skid wheel and several anti-skid claws. Several anti-skid claws are welded on the anti-skid wheel of the anti-skid device. Several screw holes are arranged near the center of the anti-skid wheel. The anti-skid The wheel disc is also provided with several windows which are convenient for inflating the tire; several special wheel drum strong bolts fix the anti-skid wheel disc on the wheel drum of the automobile through the screw holes.

The anti-slip claw of the anti-slip device is composed of an anti-slip claw body, an anti-slip claw rod, a claw head, and a buffer spring; the diameter of the lower end of the anti-slip claw rod is greater than the diameter of the upper end; The upper part is covered with a limited shaft sleeve, and the small diameter end of the anti-slip claw rod is covered with a buffer washer, lock nut and cotter pin; the large diameter end of the anti-slip claw rod is covered with a shaft sleeve, and the end of the large diameter end has a The inner hole is equipped with a claw head, and the outer circle of the large-diameter end of the anti-skid claw rod is provided with a thrust screw; the large-diameter end of the anti-skid claw rod is covered with a corrugated dust cover and a lock ring; The dust cap and the gasket are fixed by screws; there is a sealing ring on the limit shaft sleeve and the end of the shaft sleeve respectively, which are connected with the sleeve, and fixed together with the anti-slip claw body by the screw and the limit screw.

The lower end of the anti-skid claw rod is equipped with a claw head made of wear-resistant high-strength steel, and the end of the claw head is in the shape of a cone or a cone.

The upper end of the anti-slip claw rod is provided with a sliding limit groove for controlling the direction of the anti-slip claw rod, and a limit screw is arranged on the limit sleeve.

Lubricant for reducing wear is injected into the bushing of the anti-skid claw.

Due to the adoption of the above-mentioned technical scheme, the utility model has the following advantages:

When the car is running on ice and snow roads, it can eliminate wheel skidding and irregular sideslip, so that the car can run safely under complete control, reverse safely, and stop safely. The driving speed is higher than that of cars without anti-skid devices; compared with cars equipped with anti-skid chains, the vibration is extremely small and the noise is very low, and it can run normally even on roads without ice and snow; this anti-skid device needs to be tested for dynamic balance , to eliminate the unbalanced factors, so that the vibration is extremely small; since the size and position of the anti-skid body parts can be adjusted when they are welded on the anti-skid wheel, it can be installed and used on cars with different sizes of wheel structures and tire outer diameters; the anti-skid wheel There is an inflating window on the top, and it is not necessary to disassemble the anti-skid device every time it is inflated, which is convenient to use; it is equipped with a dust cap and a corrugated dust cover, which can prolong the service life; the claw head is made of wear-resistant and high-strength materials, even if it is worn Afterwards, it can also be replaced individually, which is convenient for maintenance and low in cost; there is lubricant in the casing, which can reduce the wear of the anti-slip claw rod and the bushing; there are buffer springs and buffer washers, and the anti-slip claw rod will not move up and down in the bushing. It produces knocking noise; it is equipped with a lock nut to adjust the maximum diameter of the claw head after it is extended; the shape of the end of the claw head is a conical knife shape or a conical head shape. With high pressure and strong force, the claw head can be inserted into the frozen layer. Because the limit screw keeps the cone edge of the claw head at a certain position, it forms a large friction force and plays an anti-skid role; there are special wheel drum strong bolts that can be used in various Wheels are used, and easy to load and unload.

Description of drawings:

Fig. 1 is the schematic diagram of vehicle anti-skid device on ice and snow road;

Fig. 2 is a schematic cross-sectional view of A-A of the anti-skid device for vehicles on ice and snow roads.

In the figure: 1-anti-slip wheel; 2-anti-slip claw; 3-special wheel drum strong bolt; 4-anti-slip claw body; 5-limit screw; 6-limit sleeve; 7-sealing ring; 8-shaft sleeve ;9-anti-slip claw rod; 10-claw head; 11-lock ring; 12-dust cap; 13-cotter pin; 14-lock nut; 15-buffer washer; 16-washer; 17-screw; Buffer spring; 19-sleeve; 20-corrugated dust cover; 21-thrust screw.

Specific examples:

As shown in accompanying drawing 1, this anti-skid device has an anti-skid wheel disc (1), and anti-skid wheel disc (1) is formed by stamping according to different shapes of wheels, and each anti-skid wheel disc (1) is welded with more than ten An anti-skid claw (2), the anti-skid wheel disc (1) is also provided with several screw holes and a window for tire inflation, and several special wheel drum strong bolts (3) fix the anti-skid wheel disc (1) through the screw holes on the rim end face of the wheel. As shown in accompanying drawing 2, anti-skid claw (2) is made up of anti-skid claw body (4), anti-skid claw bar (9), claw head (10), buffer spring (18); The lower end diameter of anti-skid claw bar is greater than the upper end diameter; the small diameter end of the anti-skid claw rod is set with a buffer spring (18), the upper part of the buffer spring is covered with a limit sleeve (6), and a buffer washer (15) and a lock nut are installed on the limit sleeve (6) (14), put the cotter pin (13) into the small diameter end of the anti-skid claw rod, so that the buffer washer (15) and lock nut (14) will not fall off from the small diameter upper end of the anti-skid claw rod; the large diameter of the anti-skid claw rod The diameter end is covered with a shaft sleeve (8), and the end of the large diameter end has an inner hole, and a claw head (10) is housed in the hole, and a thrust screw (21) is arranged on the outer circle of the large diameter end of the anti-slip claw rod. Install the claw head (10) firmly in the end hole of the anti-skid claw rod; the large-diameter end of the anti-skid claw rod is covered with a corrugated dust cover (20), so that the upper end surface of the corrugated dust cover (20) and the anti-skid claw body (4) The lower end face is close to, and the lower end face of the corrugated dust cover (20) is locked by the lock ring (11) installed in the groove of the anti-slip claw rod (9); The dust cap (12) and the washer (16) are fixed by the screw (17); a sealing ring (7) is respectively housed on the lower end face of the limit shaft sleeve (6) and the upper end face of the shaft sleeve (8), and Connected with the sleeve (19), the bushing (8) and the stopper bushing (6) are respectively fixed in the anti-slip claw body (4) by the screw and the limit screw (5), so that the anti-slip claw rod (9) Align the keyway of the keyway with the limit screw (5) to ensure that the anti-skid claw lever (9) can only move up and down in the inner hole of the bushing (8) and the limit bushing (6), and cannot rotate. When subjected to external pressure, it can Move upwards freely, and move downwards under the action of the buffer spring (18) when the external pressure is removed.

When the device is used, a set of anti-skid devices for cars on ice and snow roads is respectively installed on the end faces of the four wheel rims of the car. The outermost circle points of the paw heads (10) on all anti-skid pawl bars (9) are on the same outer diameter as the tire peripheral edge of the automobile. Outer diameter, there will be 1-2 claws inserted into the ice and snow road layer during this period to prevent the wheels from slipping irregularly, because under the simultaneous action of the four wheels, the car can be completely controlled to run smoothly, reverse or stop .

If when running into an individual hard road surface, the top force of the hard point is greater than the pre-pressure of the buffer spring (18), so that the claw head (10) and the anti-skid claw lever (9) move upwards, and the impact of the device on the road can be completely eliminated during driving. The vibration of the car.

When driving on a snow-free road surface, due to the effect of the buffer spring (18), when the claw head directly contacts the road surface, the anti-skid claw lever (9) is moved upwards, and only slightly slides.

Each set of anti-skid device is subjected to a dynamic balance test before use to eliminate unbalanced factors. According to the wheel structure of the automobile and the size of the outer diameter of the tire, the radial dimension position of the anti-skid pawl on the anti-skid wheel disc (1) can be freely adjusted.

Claims (5)

1, a kind of ice and snow road anti-slip device for automobile, form by anti-skidding wheel disc and several antiskid claws, it is characterized in that: be welded with several antiskid claws (2) on the anti-skidding wheel disc (1) of this anti-skid device,, also be provided with several on its anti-skidding wheel disc (1) and be convenient to window near being provided with several screw holes on the center at anti-skidding wheel disc (1) to inflation of tire; Several special-purpose wheel hub high-strength bolts (3) are fixed on anti-skidding wheel disc (1) on the automotive wheel wheel hub by screw hole.

2, ice and snow road anti-slip device for automobile according to claim 1 is characterized in that: the antiskid claw of this anti-skid device (2) is made up of skidproof claw body (4), skidproof claw rod (9), pawl head (10), recoil spring (18); The bottom diameter of skidproof claw rod (9) is greater than the upper end diameter; Be set with recoil spring (18) on skidproof claw rod minor diameter one end, recoil spring top is with spacing axle sleeve (6), and the smaller diameter end head position of skidproof claw rod is with buffer gasket (15) and block nut (14) and spring cotter (13); The larger diameter end of skidproof claw rod is set with axle sleeve (8), and there is an endoporus in the termination portion of its larger diameter end, and pawl head (10) is housed in the hole, and the cylindrical of skidproof claw rod large-diameter end is provided with thrust screw (21); The larger diameter end headgear of skidproof claw rod has ripple dust protecting cap (20) and lock ring (11); There are dust cap (12) and packing ring (16) in skidproof claw body (4) upper part, is fixed by screw (17); On spacing axle sleeve (6) and axle sleeve (8) termination, a seal ring (7) is arranged respectively, and be connected, be fixed together with skidproof claw body (4) by screw and stop screw (5) with sleeve pipe (19).

3, according to the described ice and snow road anti-slip device for automobile of claim 2, it is characterized in that: the pawl head (10) that wear-resisting high-strength degree steel are made is equipped with in the bottom of described skidproof claw rod (9), and pawl head end head shapes is awl knife-edge or conehead shape.

4, according to the described ice and snow road anti-slip device for automobile of claim 2, it is characterized in that: the upper end of skidproof claw rod (9) is provided with the slip position-limited trough of control skidproof claw rod direction, and stop screw (5) is set on the spacing axle sleeve (6).

5, ice and snow road anti-slip device for automobile according to claim 2 is characterized in that: inject the lubricant that reduces wear in the sleeve pipe of described antiskid claw (19).

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