CN212775263U

CN212775263U - Electronic round of drum brake

Info

Publication number: CN212775263U
Application number: CN202020269949.2U
Authority: CN
Inventors: 关东华; 江仁铿
Original assignee: Fuzhou Tangying Machinery Co ltd
Current assignee: Fuzhou Tangying Machinery Co ltd
Priority date: 2020-03-07
Filing date: 2020-03-07
Publication date: 2021-03-23
Anticipated expiration: 2030-03-07

Abstract

The utility model discloses an electronic round of drum brake belongs to drum brake technical field, including the line ware of stopping, line ware fixed mounting of stopping is on connecting oil pipe, it installs in hydraulic oil drum to connect the fixed intercommunication of oil pipe, the fixed intercommunication of hydraulic oil drum right-hand member has defeated oil pipe, T shape braking assembly is installed to defeated oil pipe upper end intercommunication, both ends fixedly connected with left side brake shoe and right brake shoe about T shape braking assembly, equal fixed mounting has friction material on left side brake shoe and the right brake shoe, the equal fixed mounting in left side brake shoe upper end has the brake shoe to install the round pin. The utility model relates to a novelty, be convenient for operation and excellent in use effect adopt the fluid pressure type braking, can brake electronic round effectively, and the emergence of preventing accident has improved braking efficiency and braking effect, still can dispel the heat and cool down the drum brake effectively, has prolonged drum brake's life.

Description

Electronic round of drum brake

Technical Field

The utility model relates to a drum brake technical field especially relates to an electronic round drum brake.

Background

The drum brake is characterized in that a brake transmission mechanism is utilized to enable a brake shoe to press a brake friction plate on the inner side of a brake drum, so that braking force is generated, wheels are decelerated or the vehicle stops within the shortest distance according to requirements, driving safety is guaranteed, and the vehicle can be parked reliably and cannot automatically slide.

Patent No. CN106151321A discloses a drum brake for an electric tricycle, which comprises a brake disc, an axle tube and a bearing; a bearing chamber for mounting a bearing is formed between the bearing positioning step and the end face of the bridge pipe; the brake is characterized in that a positioning hole welded with the excircle of the bridge tube is formed in the center of the brake disc, the bridge tube is inserted into the positioning hole and is welded and fixed with the brake disc, and the brake enables the part of the bridge tube and the brake disc, which jointly form a bearing chamber, to coincide with the radial position of the brake disc by changing the welding position between the brake disc and the bridge tube, so that the radial stress of the bearing is transmitted to the brake disc with a larger diameter through the bridge tube, and the strength of the bridge tube can be improved, and the torque acting on a half shaft during braking can be reduced; the processing manufacturability of the bearing chamber can be obviously improved, and the processing precision is ensured.

The above patents have the following disadvantages: 1. the braking efficiency is low, the braking effect is poor, the electric wheels cannot be effectively braked, and accidents are easily caused; 2. the drum brake cannot be effectively cooled and cooled, and the service life of the drum brake is influenced. To this end, we propose an electric wheel drum brake.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric wheel drum brake, novel in design, convenient to operate and excellent in use effect, aiming at effectively braking an electric wheel by adopting hydraulic braking through a wire brake and a T-shaped braking assembly, preventing accidents and improving braking efficiency and braking effect; through vent and radiating groove, can dispel the heat and cool down the drum brake effectively, prolong drum brake's life.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of electronic round of drum brake, including the brake cable ware, brake cable ware left side fixed mounting has the brake cable piece, fixedly connected with brake cable on the brake cable piece, brake cable ware fixed mounting is on connecting oil pipe, it installs in hydraulic pressure oil drum to connect the fixed intercommunication of oil pipe, the fixed intercommunication of hydraulic pressure oil drum right-hand member has defeated oil pipe, T shape braking assembly is installed to defeated oil pipe upper end intercommunication, both ends fixedly connected with left side brake shoe and right brake shoe about T shape braking assembly, equal fixed mounting has friction material on left side brake shoe and the right brake shoe, the equal fixed mounting in left side brake shoe upper end has the brake shoe fitting pin with the right brake shoe upper end.

Optionally, the upper ends of the left brake shoe and the right brake shoe are fixedly connected through a mounting pin rod, a plurality of heat dissipation grooves are carved on the reverse sides of the left brake shoe and the right brake shoe, and countless ventilation openings are formed in the friction material in a conduction mode.

Optionally, the central fixed mounting of brake cable ware has the pole of stopping, the pole of stopping is fitted with a contraceptive ring and is installed the pole spring of stopping, the pole right-hand member fixed mounting of stopping has hydraulic piston, hydraulic piston activity is inlayed and is installed in connecting the oil pipe.

Optionally, a T-shaped hydraulic oil cavity is formed in the T-shaped brake assembly, hydraulic pistons are movably mounted at the left end and the right end of the T-shaped hydraulic oil cavity in an embedded mode, the hydraulic pistons are fixedly mounted on the connecting pin rods, and connecting movable pins are fixedly mounted at the front ends of the connecting pin rods.

Optionally, the wire brake is communicated with and mounted with a hydraulic oil drum through a connecting oil pipe, and the T-shaped brake assembly is fixedly connected with the left brake shoe and the right brake shoe through a connecting movable pin.

The utility model has the advantages as follows:

1. the utility model relates to a novelty, be convenient for operation and excellent in use effect, brake assembly and T shape through being equipped with, when using, the pulling yarn, it promotes the pole of stopping to drive the brake cable piece, the pole of stopping promotes hydraulic piston, through connecting the hydraulic oil in the oil pipe promotion hydraulic pressure oil drum, in the T shape braking assembly of defeated oil pipe entering, then promote the hydraulic piston at T shape braking assembly both ends respectively, promote left side brake shoe and right brake shoe through connecting the pin rod and extrude to both sides, equal fixed mounting has friction material on left side brake shoe and the right brake shoe, carry out friction braking to the wheel hub of electronic round, adopt the fluid pressure type braking, the stopper reaction is sensitive rapidly, so, can brake electronic round effectively, prevent the emergence of accident, braking efficiency and braking effect have been improved.

2. The utility model discloses a be equipped with vent and radiating groove, the reverse side of left side brake shoe piece and right brake shoe piece is all carved and is equipped with many radiating grooves, switches on friction material and has seted up countless vent, and the vent is used for letting in air-blast, cools down when adopting the forced air cooling, and the radiating groove is used for the temperature that produces when going the braking, cools down to drum brake, prevents that drum brake from damaging because of the temperature that the braking produced, so, can dispel the heat and cool down drum brake effectively, extension drum brake's life.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of an electric wheel drum brake according to an embodiment of the present invention;

fig. 2 is a schematic reverse structure view of an electric wheel drum brake according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a brake cable of an electric wheel drum brake according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a T-shaped brake assembly of an electric wheel drum brake according to an embodiment of the present invention.

In the figure: 1. braking a cable; 2. a cable brake block; 3. a wire brake; 4. connecting an oil pipe; 5. a friction material; 6. a left brake shoe; 7. a brake shoe mounting pin; 8. a right brake shoe; a T-shaped brake assembly; 10. an oil delivery pipe; 11. a hydraulic oil drum; 12. a heat sink; 13. a vent; 14. installing a pin rod; 15. a brake lever spring; 16. a brake lever; a hydraulic piston; 18. connecting a movable pin; 19. a connecting pin rod; a T-shaped hydraulic oil chamber.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

An electric wheel drum brake according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 4.

Referring to fig. 1, an electric wheel drum brake provided in an embodiment of the present invention includes a brake 3, a brake cable block 2 is fixedly installed on the left side of the brake 3, a brake cable 1 is fixedly connected to the brake cable block 2, the brake 3 is fixedly installed on a connecting oil pipe 4, the connecting oil pipe 4 is fixedly connected to a hydraulic oil drum 11, an oil pipe 10 is fixedly connected to the right end of the hydraulic oil drum 11, a T-shaped brake assembly 9 is installed on the upper end of the oil pipe 10, a left brake shoe 6 and a right brake shoe 8 are fixedly connected to the left and right ends of the T-shaped brake assembly 9, friction materials 5 are fixedly installed on the left brake shoe 6 and the right brake shoe 8, a brake shoe installation pin 7 is fixedly installed on the left brake shoe 6 and the right brake shoe 8, and the electric wheel can be effectively braked by hydraulic braking, the accident is prevented, the braking efficiency and the braking effect are improved, the heat dissipation and the cooling of the drum brake can be effectively carried out, and the service life of the drum brake is prolonged.

Referring to fig. 2, the upper ends of the left brake shoe 6 and the right brake shoe 8 are fixedly connected through a mounting pin 14, a plurality of heat dissipation grooves 12 are carved on the reverse sides of the left brake shoe 6 and the right brake shoe 8, countless ventilation openings 13 are formed in the friction material 5 in a conduction mode, and the heat dissipation grooves 12 and the ventilation openings 13 are used for effectively dissipating heat and reducing temperature of the drum brake, so that the service life of the drum brake is prolonged.

Referring to fig. 3, 3 central fixed mounting of line ware of stopping has the pole 16 of stopping, the pole 16 of stopping is fitted with the ring cover and is installed the pole spring 15 of stopping, 16 right-hand member fixed mounting of pole of stopping has hydraulic piston 17, hydraulic piston 17 activity is inlayed and is installed in connecting oil pipe 4, and line ware 3 of stopping is used for adopting the fluid pressure type braking, can brake electronic round effectively, prevents the emergence of accident, has improved braking efficiency and braking effect.

Referring to fig. 4, a T-shaped hydraulic oil chamber 20 is formed inside the T-shaped braking assembly 9, hydraulic pistons 17 are movably mounted at the left end and the right end of the T-shaped hydraulic oil chamber 20 in an embedded manner, the hydraulic pistons 17 are fixedly mounted on a connecting pin rod 19, a connecting movable pin 18 is fixedly mounted at the front end of the connecting pin rod 19, and the T-shaped braking assembly 9 is used for hydraulic braking, so that an electric wheel can be effectively braked, accidents are prevented, and the braking efficiency and the braking effect are improved.

Referring to fig. 1, the wire brake 3 is installed with a hydraulic oil drum 11 through a connecting oil pipe 4, the T-shaped brake assembly 9 is fixedly connected with the left brake shoe 6 and the right brake shoe 8 through a connecting movable pin 18, and the hydraulic oil drum 11 is used for storing hydraulic oil.

The embodiment of the utility model provides an electric wheel drum brake, when in use, through arranging a brake device 3 and a T-shaped brake assembly 9, when in use, the yarn 1 is pulled to drive the brake cable block 2 to push the brake rod 16, the brake rod 16 pushes the hydraulic piston 17, the hydraulic oil in the hydraulic oil drum 11 is pushed through the connecting oil pipe 4 and enters the T-shaped brake assembly 9 through the oil conveying pipe 10, then respectively pushing hydraulic pistons 17 at two ends of the T-shaped brake assembly 9, pushing a left brake shoe 6 and a right brake shoe 8 to extrude towards two sides through a connecting pin rod 19, fixedly installing friction materials 5 on the left brake shoe 6 and the right brake shoe 8, the hub of the electric wheel is subjected to friction braking by adopting hydraulic braking, and the brake is sensitive and quick in response, so that, the electric wheel can be effectively braked, so that accidents are prevented, and the braking efficiency and the braking effect are improved; through being equipped with vent 13 and radiating groove 12, the reverse side of left brake shoe 6 and right brake shoe 8 is carved with many radiating grooves 12 all, switches on friction material 5 and has seted up countless vent 13, vent 13 is used for letting in air wind, and the cooling when adopting the forced air cooling, radiating groove 12 is used for the temperature that produces when going off the braking, cools down the drum brake, prevents that the drum brake from damaging because of the temperature that the braking produced, so, can dispel the heat and cool down the drum brake effectively, extension drum brake's life.

It should be noted that the utility model relates to an electronic round of drum brake, including brake cable 1, brake cable block 2, brake cable ware 3, connecting oil pipe 4, friction material 5, left brake shoe 6, brake shoe mounting pin 7, right brake shoe 8, T-shaped brake assembly 9, defeated oil pipe 10, hydraulic oil drum 11, radiating groove 12, vent 13, mounting pin 14, brake lever spring 15, brake lever 16, hydraulic piston 17, connect movable pin 18, connecting pin 19, T-shaped hydraulic oil pocket 20, above-mentioned component is the prior art product, by the needs of using of the technical staff of this field, select, install and accomplish the debugging operation of component, ensure that each component all can normal work, the component is the component that general standard component or technical staff in this field know, its structure and principle all can be known or can be known through conventional experimental method for this technical staff's through the technical manual, the applicant does not make specific limitations herein.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. An electronic round of drum brake which characterized in that: including brake ware (3), brake ware (3) left side fixed mounting has brake cable block (2), fixedly connected with brake cable (1) is gone up in brake cable block (2), brake ware (3) fixed mounting is on connecting oil pipe (4), connect oil pipe (4) fixed intercommunication and install in hydraulic pressure oil drum (11), hydraulic pressure oil drum (11) right-hand member fixed intercommunication has defeated oil pipe (10), defeated oil pipe (10) upper end intercommunication is installed T shape braking assembly (9), T shape braking assembly (9) are controlled both ends fixedly connected with left brake shoe (6) and right brake shoe (8), equal fixed mounting has friction material (5) on left brake shoe (6) and right brake shoe (8), the equal fixed mounting in left brake shoe (6) and right brake shoe (8) upper end has brake shoe mounting pin (7).

2. The electric wheel drum brake according to claim 1, wherein: the upper end between the left brake shoe piece (6) and the right brake shoe piece (8) is fixedly connected through an installation pin rod (14), a plurality of heat dissipation grooves (12) are carved on the reverse surfaces of the left brake shoe piece (6) and the right brake shoe piece (8), and a plurality of ventilation openings (13) are communicated on the friction material (5).

3. The electric wheel drum brake according to claim 1, wherein: brake line ware (3) center fixed mounting has pole (16) of stopping, pole (16) of stopping encircle to install and stop pole spring (15), pole (16) right-hand member fixed mounting of stopping has hydraulic piston (17), hydraulic piston (17) activity is inlayed and is installed in connecting oil pipe (4).

4. The electric wheel drum brake according to claim 1, wherein: t-shaped hydraulic oil chamber (20) have been seted up to T braking assembly (9) inside, both ends are all movably inlayed about T-shaped hydraulic oil chamber (20) and are installed hydraulic piston (17), hydraulic piston (17) fixed mounting is on connecting pin rod (19), connecting pin rod (19) front end fixed mounting has connection movable pin (18).

5. The electric wheel drum brake according to claim 1, wherein: the wire brake (3) is communicated with and provided with a hydraulic oil drum (11) through a connecting oil pipe (4), and the T-shaped brake assembly (9) is fixedly connected with a left brake shoe (6) and a right brake shoe (8) through a connecting movable pin (18).