CN2228867Y - Hand brake for rear axle of car - Google Patents

Abstract

The utility model provides a brake for a back axle for a standing car. The utility model comprises a free joint, a brake drum, a shoe plate, and a push rod, wherein, the free joint is arranged behind a rotating shaft, and the push rod is connected with a cam. The utility model is characterized in that the brake drum is arranged between the free joint and the flange of a drive conical gear, and the flange of the drive conical gear is connected with a bearing housing with a conical gear; the bearing housing is provided with an air chamber, the shoe plate, and an installation base, the shoe plate and a control device are connected with the bearing housing as a whole, and therefore, the safe brake is formed. The utility model has the advantages of simple structure, good braking effect, and convenient operation.

Description

The automobile axle Parking Brake

The utility model provides a kind of automobile axle Parking Brake.

During running car because car side brake because of frequently using to making heating, causes brake strap ablation, brake wheel and transmission shaft yielding, and easily soft partially, cause that to kill car malfunctioning, can not be on the ramp effectively Parking, rob shelves as employing and slow down, transmission shaft is is easily twisted and warped, is fractureed, and causes damage accident.

The purpose of this utility model is to provide a kind of automobile axle Parking Brake rational in infrastructure, safe and reliable.

The utility model is because integral body has changed initiative taper tooth shell, and the keying of employing steam-operating one control air valve, reach control and kill car, thereby reduced the mechanical wear that pulls in the braking during standstill process effectively, improved Parking system effect, and the no pneumatic insurance advantage of the trailing wheel Parking series vehicle that kept dying, it is the most suitable for large-tonnage, the long pass moving axis trailing wheel brake wheel Parking series vehicle of dying, and can directly slow down effectively, stop vehicle.That this product has is simple in structure, good braking effect, convenience operation

Fig. 1 is a scantling plan of the present utility model.

Fig. 2 is the left view (brake portion) of the utility model Fig. 1.

Fig. 3 is the constructional drawing that the utility model conical tooth shaft holds shell 4.

Fig. 4 is the birds-eye view that the utility model conical tooth shaft holds shell 4.

Fig. 5 is the constructional drawing of the utility model brake wheel 11.

1-5 is described in detail the utility model below in conjunction with accompanying drawing.

The utility model comprises universal joint 12, brake drum 11, the hoof that is installed on behind the turning cylinder Sheet 10, the push rod 7 that links to each other with cam 9 are connected brake drum 11 by bolt 13 Between universal joint 12 and the active conical tooth flange 15, cone tooth flange 15 and active conical tooth bearing Shell 4 links to each other, and air chamber 3, the shoe plate mount pad be located on the air chamber mount pad 2 are arranged on the cartridge housing 4 6, cam chair 6 and conical tooth shaft hold oil seal cover 18, and air chamber 3 is by pull bar 1 and push rod 7 phases Connect, push rod 7 links to each other with the cam mount pad 6 that is provided with cam 9, and shoe plate 10 is by eccentric solid Set the tone whole bolt 8 and two return springs 17 is installed on the holder 5 and the active conical tooth bearing Shell 4 forms one, and the tail end of air chamber 3 is connected with the air-control device of automobile, shoe plate 10 wide Degree is 70-90mm, and diameter is 180-230mm. Brake drum 11 and biography The faying face 16 of moving axis 12 is arranged to

Section. 14-automobile axle among the figure.

Embodiment: this product is installed on the JN163 vehicle of the Yellow River, brake wheel interior diameter 230mm, and the wide 90mm of shoe plate, braking pressure can reach 7Kg, load carrying ability reaches 11T, and the trailing wheel brake wheel is the firm Parking gradient 25% on the ramp.

Claims (3)

1, a kind of automobile axle Parking Brake, it comprises the universal-joint 12 that is installed on behind the turning cylinder, brake wheel 11, shoe plate 10, the push rod 7 that links to each other with cam 9, it is characterized in that: brake wheel 11 is connected between universal-joint 12 and the initiative taper tooth flange 15 by bolt 13, awl tooth flange 15 links to each other with initiative taper tooth bearing case 4, the air chamber of being located on the air chamber mount pad 23 is arranged on the bearing case 4, shoe plate mount pad 5, cam chair 6 and conical tooth shaft hold oil seal cover 18, air chamber 3 links to each other with push rod 7 by pull bar 1, push rod 7 links to each other with the cam mount pad 6 that is provided with cam 9, by off-centre fixedly adjustable bolt 8 be installed on the permanent seat 5 with initiative taper tooth bearing case 4 and form one shoe plates 10, the tail end of air chamber 3 is connected with the gas control device of former automobile, and fixedly adjustable bolt 8 and pull back spring 17 are installed in to be installed on the permanent seat 5 and form one with initiative taper tooth bearing case 4 shoe plate 10 by off-centre.

2, by the described automobile axle Parking Brake of claim 1, it is characterized in that: the width of shoe plate 10 is 70-90mm, and diameter is 180-230mm.

3, by the described automobile axle Parking Brake of claim 1, it is characterized in that: brake wheel 11 is arranged to the faying face 16 of transmission shaft 12 Section.

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