CN214688869U

CN214688869U - Sweeping vehicle is with taking dish formula rear axle of stopping

Info

Publication number: CN214688869U
Application number: CN202120716790.9U
Authority: CN
Inventors: 张勋; 张玲军; 颜勤祥
Original assignee: Jiangsu Zhonggu Axle Co ltd
Current assignee: Jiangsu Zhonggu Axle Co ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-11-12
Anticipated expiration: 2031-04-09

Abstract

The utility model discloses a rear axle with a disc brake for a sweeper, which comprises a rear axle frame, wherein a transmission case is fixed on the rear axle frame, a brake box, a wheel body connecting disc and a fixing frame are arranged at two ends of the rear axle frame, a transmission shaft is arranged in the rear axle frame, one end of the transmission shaft is connected with a transmission assembly in the transmission case, and the other end of the transmission shaft penetrates through the brake box and is welded and fixed with the wheel body connecting disc; the brake box welds on the rear axle frame, be equipped with hydro-cylinder and louvre on the brake box, be equipped with the hydraulic pressure seat on the hydro-cylinder, be equipped with connection port on the hydraulic pressure seat, inside oiling groove, brake disc and the brake disc of being equipped with of brake box. This rear axle braking system adopts the dish formula structure of stopping, and the integral braking of disk body for the brake disc carries out integral contact to the brake disc, has increased frictional force, and braking stability is high, fast, and this braking system simple structure simultaneously, and the spare part of involving is less, and the brake subassembly is provided the protection by the brake box.

Description

Sweeping vehicle is with taking dish formula rear axle of stopping

Technical Field

The utility model relates to a street sweeper brake technical field specifically is a formula rear axle is stopped with taking dish to street sweeper.

Background

The sweeper is an integrated garbage sweeper combining sweeping and dust collection, has the advantages of high working efficiency, low cleaning cost, good cleaning effect, high safety performance, high economic return rate and the like, and is widely applied to the sweeping work of roads in various large, medium and small cities.

Most of brake systems of the existing sweeping vehicles adopt mechanical braking, the mechanical braking systems have more brake parts and higher failure rate, and meanwhile, the effect of the mechanical braking is greatly influenced by the mechanical parts, so that the best braking effect cannot be achieved when the mechanical parts are damaged or are poorly connected. For this reason, a corresponding technical scheme needs to be designed for solution.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a street sweeper is with taking dish formula rear axle of stopping, the effect of having solved mechanical braking is influenced by machine part great, when machine part appears damaging or connect badly, will not reach the problem of best braking effect.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a rear axle with a disc brake for a sweeper comprises a rear axle frame, wherein a transmission case is fixed on the rear axle frame, a brake box, a wheel body connecting disc and a fixing frame are arranged at two ends of the rear axle frame, a transmission shaft is arranged in the rear axle frame, one end of the transmission shaft is connected with a transmission assembly in the transmission case, and the other end of the transmission shaft penetrates through the brake box and is welded and fixed with the wheel body connecting disc; the brake box welds on the rear axle frame, be equipped with hydro-cylinder and louvre on the brake box, be equipped with the hydraulic pressure seat on the hydro-cylinder, be equipped with connection port on the hydraulic pressure seat, inside oiling groove, brake disc and the brake disc of being equipped with of brake box, oiling groove and hydro-cylinder intercommunication, the gomphosis has the piston rod on the oiling groove, piston rod one end gomphosis is in the inside of oiling groove, the other end and brake disc welded fastening, the brake disc gomphosis is on the transmission shaft.

Preferably, the oiling groove is welded on the inner wall of the brake box, the oiling groove is of an annular structure, and the piston rods are uniformly distributed on the oiling groove.

Preferably, the brake disc is fixed on the transmission shaft through screws, a shaft body through hole is formed in a disc body of the brake disc, and the brake disc corresponds to the brake disc in the same size and position.

Preferably, a support is fixed on a connecting port of the hydraulic seat, a connecting rod is welded on the support, a pedal is arranged on the connecting rod, and the pedal is fixed with the connecting rod through screws.

Preferably, the mount comprises first fixed block, second fixed block and lock sleeve, the lock sleeve welds on the second fixed block, the lock sleeve passes through the screw and is fixed with the back crane span structure, the welding has between first fixed block and the second fixed block and is connected notes, first fixed block passes through the screw and is fixed with the base of automobile body.

Preferably, the wheel body connecting disc is welded and fixed with the transmission shaft, locking holes are formed in the wheel body connecting disc, the locking holes are evenly distributed in the wheel body connecting disc, and the wheel body connecting disc is fixed with the wheel hub through the locking holes.

Preferably, the brake disc is provided with heat dissipation round holes, the heat dissipation round holes are uniformly distributed on the brake disc, and the heat dissipation round holes are identical in size.

(III) advantageous effects

This rear axle braking system adopts the dish formula structure of stopping, through the oil groove of annotating of footboard with the oil in the hydro-cylinder, under the effect of oil pressure, multiunit piston rod will drive the brake disc and brake the brake disc, the integral braking of disk body, make the brake disc carry out integral contact to the brake disc, frictional force has been increased, braking stability is high, fast, this braking system simple structure of while, the spare part of involving is less, the brake subassembly provides the protection by the brake box, the effectual mechanical braking structure of having solved is complicated, the braking effect receives the problem of part influence.

Drawings

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

FIG. 2 is a schematic view of the external structure of the brake box of the present invention;

FIG. 3 is a schematic view of the inner structure of the brake box of the present invention;

fig. 4 is a schematic view of the brake disc connection structure of the present invention.

In the figure, a rear bridge frame-1, a brake box-2, a wheel body connecting disc-3, a transmission case-4, a fixed frame-5, a bracket-6, a connecting rod-7, a pedal-8, a heat dissipation hole-9, a transmission shaft-10, an oil cylinder-11, a hydraulic seat-12, a connecting port-13, an oil injection groove-14, a brake disc-15, a brake disc-16 and a piston rod-17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, 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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention provides a technical solution: a rear axle with a disc brake for a sweeper comprises a rear axle frame 1, wherein a transmission case 4 is fixed on the rear axle frame 1, a brake box 2, a wheel body connecting disc 3 and a fixing frame 5 are arranged at two ends of the rear axle frame 1, a transmission shaft 10 is arranged inside the rear axle frame 1, one end of the transmission shaft 10 is connected with a transmission assembly in the transmission case 4, and the other end of the transmission shaft penetrates through the brake box 2 and is welded and fixed with the wheel body connecting disc 3; brake box 2 welds on back crane span structure 1, be equipped with hydro-cylinder 11 and louvre 9 on the brake box 2, be equipped with hydraulic pressure seat 12 on the hydro-cylinder 11, be equipped with connection port 13 on the

hydraulic pressure seat

12, 2 inside oiling groove 14, brake disc 15 and the brake disc 16 of being equipped with of brake box, oiling groove 14 and hydro-cylinder 11 intercommunication, the gomphosis has piston rod 17 on the oiling groove 14, 17 one end gomphosis of piston rod is in the inside of oiling groove 14, the other end and brake disc 16 welded fastening, 16 gomphosis of brake disc are on transmission shaft 15.

The oil filling groove 14 is welded on the inner wall of the brake box 2, the oil filling groove 14 is of an annular structure, and the piston rods 17 are uniformly distributed on the oil filling groove 14. The oil groove of the annular structure is convenient for the transmission shaft to penetrate through.

The brake disc 15 is fixed on the transmission shaft 10 through screws, a shaft body through hole is formed in a disc body of the brake disc 16, and the brake disc 15 corresponds to the brake disc 16 in size and position. The brake disc can provide the effect of braking to the brake disc under the effect of oil pressure, and the uniformity of disk body structure has been ensured to the disk body of equidimension, and the integral braking of disk body simultaneously for the atress is even between the disk body, has that the braking speed is fast, characteristics that stability is high.

A support 6 is fixed on a connecting port 13 of the hydraulic seat 12, a connecting rod 7 is welded on the support 6, a pedal 8 is arranged on the connecting rod 7, and the pedal 8 is fixed with the connecting rod 7 through screws. The connecting rod is driven by the pedal, the connecting rod passes through the support, the pressurization of the oil cylinder is realized, hydraulic oil is injected into the oil injection groove, and the piston rod drives the brake disc to brake the brake disc under the action of the oil pressure.

The fixing frame 5 is composed of a first fixing block, a second fixing block and a locking sleeve, the locking sleeve is welded on the second fixing block, the locking sleeve is fixed with the rear bridge frame 1 through screws, a connecting rod is welded between the first fixing block and the second fixing block, and the first fixing block is fixed with a base of the vehicle body through screws. The rear bridge frame is connected with the vehicle body through the fixing frame.

The wheel body connecting disc 3 is welded and fixed with the transmission shaft 10, locking holes are formed in the wheel body connecting disc 3, the locking holes are evenly distributed in the wheel body connecting disc 3, and the wheel body connecting disc 3 is fixed with the wheel hub through the locking holes. The wheel body connecting plate is used for locking and fixing the wheel hub.

The brake disc 15 is provided with heat dissipation round holes, the heat dissipation round holes are uniformly distributed on the brake disc 15, and the heat dissipation round holes are identical in size. The circulation of air can be realized through the heat dissipation round hole, provides radiating effect to the disk body of brake disc.

The working principle is as follows: when the sweeper brakes a rear axle, the pedal 8 drives the connecting rod 7, the connecting rod 7 drives the brackets 6 at two ends of the rear axle frame 1 respectively, the brackets 6 inject hydraulic oil in the oil cylinder 11 into the oil injection groove 14 in the brake box 2 through the hydraulic seat 12, under the action of the oil pressure, the multiple groups of piston rods 17 on the oil injection groove 14 drive the brake disc 16 to move, when the brake disc 16 contacts the rotating brake disc 15, the disc body is in integral contact, large friction force is generated, under the action of the friction force, the rotating brake disc 15 reaches a static state in the shortest time, heat generated by friction is discharged through the heat dissipation holes 9 in the brake box 2, the cooling is realized, the pedal 8 is loosened, the oil injection groove 14 is decompressed, the piston rods 17 drive the brake disc 15 to be separated from the brake disc 16, and the hydraulic oil returns to the oil cylinder 11.

The utility model discloses a rear axle frame 1, brake box 2, wheel body connection pad 3, transmission case 4, mount 5, support 6, connecting rod 7, footboard 8, louvre 9, transmission shaft 10, hydro-cylinder 11, hydraulic pressure seat 12, connection port 13, oiling groove 14, brake disc 15, brake disc 16, piston rod 17, the part is general standard component or the part that technical staff knows, its structure and principle all can be known through the technical manual or through conventional experimental method, the problem that the utility model solves is that the effect of mechanical braking is influenced by mechanical parts greatly, when mechanical parts appear damaging or connect badly, will not reach the problem of best braking effect, the utility model discloses rear axle braking system adopts the dish formula structure of stopping, injects the oil in the hydro-cylinder into the oil groove through the footboard, under the effect of oil pressure, multiunit piston rod will drive the brake disc and brake the brake disc, the integral braking of disk body for the brake disc carries out integral contact to the brake disc, has increased frictional force, and braking stability is high, fast, and this braking system simple structure simultaneously, the spare part that relates is less, and the brake subassembly provides the protection by the brake box, and the effectual mechanical braking structure of having solved is complicated, and braking effect receives the problem of part influence.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a street sweeper is with taking dish formula rear axle of stopping which characterized in that: the rear axle frame comprises a rear axle frame (1), wherein a transmission box (4) is fixed on the rear axle frame (1), a brake box (2), a wheel body connecting disc (3) and a fixing frame (5) are arranged at two ends of the rear axle frame (1), a transmission shaft (10) is arranged in the rear axle frame (1), one end of the transmission shaft (10) is connected with a transmission assembly in the transmission box (4), and the other end of the transmission shaft penetrates through the brake box (2) and is welded and fixed with the wheel body connecting disc (3);

brake box (2) weld on back crane span structure (1), be equipped with hydro-cylinder (11) and louvre (9) on brake box (2), be equipped with hydraulic seat (12) on hydro-cylinder (11), be equipped with connection port (13) on hydraulic seat (12), brake box (2) inside is equipped with oiling groove (14), brake disc (15) and brake disc (16), oiling groove (14) and hydro-cylinder (11) intercommunication, the gomphosis has piston rod (17) on oiling groove (14), piston rod (17) one end gomphosis is in the inside of oiling groove (14), the other end and brake disc (16) welded fastening, brake disc (16) gomphosis is on transmission shaft (10).

2. The rear axle with the disc brake for the sweeper according to claim 1, characterized in that: the oiling groove (14) is welded on the inner wall of the brake box (2), the oiling groove (14) is of an annular structure, and the piston rods (17) are uniformly distributed on the oiling groove (14).

3. The rear axle with the disc brake for the sweeper according to claim 1, characterized in that: the brake disc (15) is fixed on the transmission shaft (10) through screws, a shaft body through hole is formed in a disc body of the brake disc (16), and the brake disc (15) corresponds to the brake disc (16) in the same size and the same position.

4. The rear axle with the disc brake for the sweeper according to claim 1, characterized in that: the hydraulic support is characterized in that a support (6) is fixed on a connecting port (13) of the hydraulic seat (12), a connecting rod (7) is welded on the support (6), a pedal (8) is arranged on the connecting rod (7), and the pedal (8) is fixed with the connecting rod (7) through a screw.

5. The rear axle with the disc brake for the sweeper according to claim 1, characterized in that: the fixing frame (5) is composed of a first fixing block, a second fixing block and a locking sleeve, the locking sleeve is welded on the second fixing block, the locking sleeve is fixed with the rear bridge (1) through screws, a connecting rod is welded between the first fixing block and the second fixing block, and the first fixing block is fixed with a base of the vehicle body through screws.

6. The rear axle with the disc brake for the sweeper according to claim 1, characterized in that: the wheel body connecting disc (3) is welded and fixed with the transmission shaft (10), locking holes are formed in the wheel body connecting disc (3), the locking holes are evenly distributed in the wheel body connecting disc (3), and the wheel body connecting disc (3) is fixed with the wheel hub through the locking holes.

7. The rear axle with the disc brake for the sweeper according to claim 1, characterized in that: be equipped with the heat dissipation round hole on brake disc (15), the even distribution of heat dissipation round hole is on brake disc (15), the size between the heat dissipation round hole is the same.