CN214565964U - Brake mechanism of mountain-road pulley - Google Patents

Abstract

The utility model discloses a mountain path coaster brake mechanism, including coaxial setting up the brake drum on the rear wheel, set up brake shoe and the reset spring of connection between two brake shoes that sets up on the brake disc in rear wheel epaxial brake disc, two symmetries, set up the friction disc on the brake disc, the outer cambered surface that the brake shoe deviates from each other, brake drive arrangement drive brake shoe presses the friction disc on the brake drum or makes friction disc and brake drum phase separation. The lower ends of the two brake shoes are hinged on the brake disc, the brake driving device comprises a brake cam shaft arranged between the upper ends of the two brake shoes, and the cam shaft is connected with a rear crank arm; a front crank arm is connected to a transverse shaft of the rotating seat, and the front crank arm is connected with an extending end of the rear crank arm through a brake cable; when the speed reduction or parking is needed, the handle bar is pulled backwards continuously, the brake cable connected to the rotating seat drives the brake device on the rear wheel shaft to realize braking, so that the pulley is decelerated or stopped, other actions are not needed, the operation is convenient, and the structure is simple.

Description

Brake mechanism of mountain-road pulley

Technical Field

The utility model relates to a mountain path coaster technical field, especially a brake mechanism of mountain path coaster.

Background

A mountain tackle (Luge), also called road pole, road pole sport, dry land sled, is a leisure and recreational sport which takes a specially designed unpowered vehicle as a carrier and obtains the running speed by relying on gravity in a closed slide way with a fall.

The novel outdoor leisure sports which are like flying in the forest are generally that a slide way is matched with a cableway for use, a pulley person firstly rides on a cableway cable car to ascend a mountain, the pulley is hooked below the cable car to reach the starting point of the slide way, and then the pulley is driven to descend along the slide way by wearing a safety helmet and drive to the terminal point. The slope slide is usually arranged in a vacation scenic spot and a drift scenic spot, the slope of a mountain is between 6 and 15 degrees, the width is between 3 and 10 meters, the length is between 3000 and 8000 meters, and a peripheral protection device is arranged to separate tourists and coasters. The mountain tackle is used for bearing a tackle person to slide down along a special slideway from a mountain top, is scenic spot amusement equipment which does not need a power device and only depends on gravity to move, is not driven by power at all, is driven by gravity only and slides down from a slope slideway by gravity, is also called as an unpowered tackle, the tackle person drives the unpowered tackle, the tackle is controlled to slide down to a terminal point by the gravity factor, a unique brake is arranged on the tackle, and the speed of the tackle can be controlled by the rider. As a new entertainment project, the multifunctional recreation vehicle has the advantages of simple structure, energy conservation, environmental protection, good maneuverability, light operation, high entertainment and the like, so the multifunctional recreation vehicle is developed quickly and attracts a large number of tourists to experience. At present, the mountain coaster is increasingly popular with outdoor enthusiasts domestically.

The prior mountain coasters generally comprise a body capable of accommodating the body of a driver, rollers arranged below the body and handles for converting the driving direction and adjusting the driving speed, and the mountain coasters are driven by the acceleration generated by the rotation of the rollers under the action of gravity. Just disclose a slope coaster like application number 201621365864.4, including last casing and lower casing, the rubber crash pad has been placed at the casing front portion and rear portion, and the steering gear is placed on casing upper portion, and the front wheel device is placed to the casing front portion, and aggregate unit is placed at the middle part, and rear wheel device and brake equipment are placed to the rear portion. The slope pulley drives a front wheel to move downwards to extend out of a lower shell by utilizing a certain angle of backward swing of a handlebar, so that the lower shell is separated from the ground, and simultaneously drives a rear wheel to move forwards to approach a brake pad through a linkage device, and the slope pulley is in a normal motion state; when the handlebar swings backwards to the maximum angle, the linkage device and the brake device are used for braking, so that the movement of the slope pulley is stopped, when the handlebar is released, the linkage device drives the front wheel to move upwards to enter the shell under the action of spring force on the brake device, and the rubber pad at the bottom of the lower shell is contacted with the ground so that the slope pulley is in a static state; the steering is realized by turning the handle bar by hand to turn the front wheel. Such a ramp block has the following disadvantages: when braking, the brake steel wire rope drives the rear wheel to move forwards through the linkage device to be close to the brake pad for braking, and because the weight of a driver is applied to the front wheel and the rear wheel through the shell, the rear wheel is pulled forwards to undoubtedly need larger force, so that the brake steel wire rope bears larger pulling force, if emergency braking is met, the steel wire rope is easy to break, accidents occur, and the structure of the brake device is complex.

The application number is 201821259576. X's Chinese utility model discloses a scooter racing car, including the automobile body that is used for bearing the weight of the driver, front wheel and rear wheel of setting in the automobile body below, be provided with a steering system and a braking system in the automobile body, a steering system includes the handlebar, be provided with first through-hole on the automobile body, the handlebar passes first through-hole and is connected with the front wheel, and the handlebar can rotate around the axis of handlebar in first through-hole, braking system includes the brake cable and fixes the brake block on the automobile body, the first end of brake cable is connected with the handlebar, the second end is connected with the rear wheel, the handlebar can rotate around in first through-hole, drive the rear wheel through the brake cable and remove to contact with the brake block, through the frictional force that produces between brake block and the rear wheel, make the rear wheel stall, thereby the brake. The structure of the scooter has the same problems as those of the technical solution disclosed in the reference 1.

The application number is 201920953685. X Chinese utility model discloses a scooter, including automobile body, front wheel and rear wheel, and steering mechanism, steering mechanism includes handrail, steering spindle and rotating seat, the bottom of automobile body is provided with a storage cavity, the rotating seat is set up in the storage cavity and rotatably mounted on the steering fixing seat, make the rotating seat rotate around relative automobile body, the upper end of steering spindle extends to above the riding area and is connected with the handrail, its lower extreme passes the automobile body and stretches into in the storage cavity and is connected with the front wheel, the steering spindle rotatably mounted on the rotating seat, the steering fixing seat is fixed in the opening part of the storage cavity at the bottom of the automobile body; the two ends of the rear wheel shaft are fixed at the bottom of the vehicle body through mounting plates, and the difference between the two comparison files is that the brake device adopts a brake disc structure and comprises a brake disc and brake tongs, wherein the brake disc is fixed at one end of a rear wheel mounting seat, a rear wheel is fixed at the other end of the rear wheel mounting seat, the rear wheel mounting seat is rotatably connected to the rear wheel shaft, the brake tongs are fixed on the rear wheel shaft through the brake mounting seat, a brake handle is arranged on a handlebar, and the brake handle is connected with the brake tongs through a brake cable; although the moving structure of the rear wheel axle or the brake pad is reduced, the brake handle is added, and the structure and the operation are more complicated.

Disclosure of Invention

The utility model aims at providing a simple structure, convenient operation, the good brake mechanism of mountain road coaster of security to the not enough of prior art existence.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a brake mechanism of a mountain tackle comprises a tackle body for bearing a driver, a front wheel, a rear wheel, a steering system and a brake system, wherein the front wheel and the rear wheel are arranged below the tackle body; the steering system comprises a handlebar, a steering shaft and a rotating seat, wherein the upper end of the steering shaft is connected with the handlebar, the lower end of the steering shaft penetrates through the vehicle body to be connected with a front wheel, the steering shaft is rotatably arranged on the rotating seat, the rotating seat is positioned between the handlebar and the front wheel, and the rotating seat is hinged on a steering fixing seat through a transverse shaft, so that the rotating seat rotates forwards and backwards relative to the vehicle body to drive the front wheel to swing forwards or backwards; the rear wheel rotates and is connected on the rear wheel axle, sets up braking system, characterized by on the rear wheel axle: the brake system comprises a brake drum coaxially arranged on a rear wheel, a brake disc arranged on a rear wheel shaft, two brake shoes symmetrically arranged on the brake disc and a return spring connected between the two brake shoes, wherein friction plates are arranged on outer arc surfaces of the brake shoes which are deviated from each other, and a brake driving device drives the brake shoes to press the friction plates on the brake drum or separate the friction plates from the brake drum.

In the brake mechanism of the mountain tackle, the lower ends of the two brake shoes are hinged to the brake disc, the brake driving device comprises a brake cam shaft which is arranged between the upper ends of the two brake shoes and used for controlling the opening degree between the two brake shoes, and the cam shaft is connected with the rear crank arm; the transverse shaft of the rotating seat is connected with a front crank arm, and the front crank arm is connected with the extending end of the rear crank arm through a brake cable; the handle bar is pulled backwards to enable the rotating seat to rotate relative to the vehicle body, the front crank arm pulls the rear crank arm through the brake cable to drive the brake cam shaft to rotate, and therefore the two brake shoes are driven to be opened, and braking action is achieved.

By adopting the technical scheme, a driver sits on the mountain pulley, pulls the handlebar backwards, the front wheel swings forwards to the supporting position, the pulley is supported on the ground by the front wheel, and the pulley is in a normal running state; when the speed reduction or parking is needed, the handle bar is pulled backwards continuously, and the brake cable connected to the rotating seat drives the brake device on the rear wheel shaft to realize braking, so that the pulley is decelerated or stopped without additional actions, and the speed reduction and parking device is convenient to operate and simple in structure.

Furthermore, the brake drum is of a barrel-shaped structure with one open end, the bottom of the brake drum is connected with the rear wheel, the open end faces the brake disc, and the working ends of the two brake shoes, the reset spring and the cam shaft are all arranged on one side, close to the brake drum, of the mounting disc; the driving end of the camshaft is positioned on one side of the mounting disc, which is far away from the brake drum, and is connected with the rear crank arm; therefore, the working ends of the two brake shoes, the return spring and the cam shaft are all deep into the space inside the brake drum, and the friction plates on the brake shoes are in contact with and separated from the inner side wall of the brake drum to realize the functions of braking and loosening.

Through adopting above-mentioned technical scheme, be connected with reset spring between two brake shoes for two brake shoes keep the trend of drawing close each other always, when need not slow down or park, promote the handlebar forward, the brake line is no longer by tractive forward, loses the pulling force because of the back crank arm and leads to the camshaft to lose the torsional moment, make two sets of brake shoes of mutual symmetry begin to move in opposite directions under the effect of reset spring elasticity, friction disc and brake drum phase separation, the rear wheel keeps the rotation state. After the brake is finished, the reset spring drives the two groups of brake shoes to return to the initial positions, and the arrangement is such that the brake state can be automatically released after the brake is finished so as to prevent the friction plate from acting on the brake drum for a long time to damage the friction plate and the brake drum.

Furthermore, the number of the rear wheels is 2, the rear wheels are respectively and rotatably connected with two ends of a rear wheel shaft, the extending ends of the two rear crank arms corresponding to the two rear wheels are respectively hinged with two ends of a brake connecting rod, and the brake cable is connected with the brake connecting rod.

Through adopting above-mentioned technical scheme, can brake simultaneously to two rear wheels to prevent at the braking in-process coaster off tracking, improve the security.

Has the advantages that:

1. when the mountain pulley adopting the technical scheme needs to decelerate or stop, only the handle bar needs to be pulled backwards continuously, and the brake cable connected to the rotating seat drives the brake device on the rear wheel shaft to realize braking, so that the pulley decelerates or stops, and other actions do not need to be added, so that the mountain pulley is convenient to operate and simple in structure;

2. a reset spring is connected between the two brake shoes, when the vehicle does not need to decelerate or stop, the handlebar is pushed forwards, the brake cable is not pulled forwards any more, the torsion moment of the camshaft is lost due to the fact that the rear crank arm loses tension, the two groups of symmetrical brake shoes start to move oppositely under the action of the elastic force of the reset spring, the friction plate is separated from the brake drum, and the rear wheel keeps a rotating state. After braking is finished, the reset spring drives the two groups of brake shoes to return to the initial positions, and the arrangement is such that after braking is finished, the braking state can be automatically released to prevent the friction plate from acting on the brake drum for a long time to damage the friction plate and the brake drum;

3. the extending ends of the two rear crank arms corresponding to the two rear wheels are respectively hinged at two ends of a brake connecting rod, and a brake cable is connected with the brake connecting rod; therefore, the two rear wheels can be braked simultaneously, so that the deviation of the tackle in the braking process is prevented, and the safety is improved.

Drawings

Fig. 1 is a schematic view of a mountain tackle to which the present invention is applied.

Fig. 2 is a schematic view of the mountain tackle of the present invention without the housing.

Fig. 3 is a schematic diagram of the present invention.

Fig. 4 is a schematic view of the middle brake system, the rear wheel and the rear axle of the present invention.

Fig. 5 is a schematic view of the middle and rear wheels, the brake drum and the rear wheel axle of the present invention.

Fig. 6 is a schematic view of the middle brake driving device of the present invention.

Fig. 7 is a schematic connection diagram of the middle brake shoe, the brake disc, the cam shaft and the rear crank arm of the present invention.

Fig. 8 is a front view of fig. 7.

Fig. 9 is a schematic cross-sectional view of fig. 7.

Fig. 10 is a schematic view of a brake disc of the present invention.

Fig. 11 is a schematic view of the middle and rear crank arms of the present invention.

Fig. 12 is a schematic view of the center camshaft of the present invention.

Fig. 13 is a schematic view of the middle brake link of the present invention.

In the figure: the brake comprises a shell 1, a first longitudinal long hole 1-1, a handlebar 2, a rear wheel 3, a frame 4, a second longitudinal long hole 4-1, a front wheel 5, a steering shaft 6, a rotating seat 7, a transverse shaft 8, a front crank arm 9, a brake cable 10, a brake connecting rod 11, a rear wheel shaft 12, a brake drum 13, a brake disc 14, a hinge shaft 15, a brake shoe 16, a friction plate 17, a cam shaft 18, a groove 18-1, a rear crank arm 19, a nut 20, a steering fixing seat 21 and a return spring 22.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present invention is further described below by way of non-limiting examples with reference to the accompanying drawings.

Referring to fig. 1 to 13, a brake mechanism of a mountain tackle comprises a body for supporting a rider, front wheels 5 and rear wheels 3 disposed under the body, a steering system for controlling the steering of the front wheels 5, and a brake system; the automobile body includes body 1 and frame 4, the steering system includes handlebar 2, steering spindle 6 and rotates the seat 7, the upper end of the steering spindle 6 extends to the body top and connects with handlebar 2, its lower end passes the first longitudinal slotted hole 1-1 on the body 1, the second longitudinal slotted hole 4-1 on the frame 4 connects with front wheel 5, the steering spindle 6 rotates and installs on rotating the seat 7, rotate the seat 7 and locate between handlebar 2 and front wheel 5, rotate the seat 7 and articulate on turning to the fixed seat 21 through the cross axle 8, make and rotate the seat 7 and rotate forward and backward relative to the automobile body, drive the front wheel 5 to swing forward or backward; the rear wheel 3 is rotatably connected to a rear wheel shaft 12, a brake system is arranged on the rear wheel shaft 12 and comprises a brake drum 13 coaxially arranged on the rear wheel 3, a brake disc 14 fixedly connected to the rear wheel shaft 12, two brake shoes 16 symmetrically arranged on the brake disc 14 and a return spring connected between the two brake shoes 16, friction plates 17 are arranged on outer arc surfaces of the brake shoes 16 which deviate from each other, the arc radius of outer arc lines of the friction plates 17 is equal to the inner radius of the brake drum 13, and a brake driving device drives the brake shoes 16 to press the friction plates 17 against the brake drum 13 or separate the friction plates 17 from the brake drum 13.

The lower ends of the two brake shoes 16 are hinged on a brake disc 14 through a hinge shaft 15, the brake driving device comprises a brake cam shaft 18 which is arranged between the upper ends of the two brake shoes 16 and used for controlling the opening degree between the two brake shoes 16, and the cam shaft 18 is connected with a rear crank arm 19; a front crank arm 9 is connected to a transverse shaft 8 of the rotating seat 7, and the front crank arm 9 is connected with an extending end of a rear crank arm 19 through a brake cable 10; the handle bar 2 is pulled backwards to enable the rotating seat 7 to rotate relative to the vehicle body, the front crank arm 9 pulls the rear crank arm 19 through the brake cable 10 to drive the brake cam shaft 18 to rotate, and therefore the two brake shoes 16 are driven to be opened, and the braking action is achieved.

In this embodiment, the brake drum 13 is a barrel-shaped structure with an opening at one end, the bottom of the brake drum 13 is fixedly connected with the rear wheel 3, the opening end faces the brake disc 14, and the working ends of the two brake shoes 16, the return spring and the cam shaft 18 are all arranged on one side of the mounting disc close to the brake drum 13; the camshaft 18 is rotatably connected to the brake disc 14, the driving end of the camshaft 18 is positioned on one side of the mounting disc, which is far away from the brake drum 13, and is connected with the rear crank arm 19, specifically, the driving end of the camshaft 18 sequentially passes through a through hole on the mounting disc and a non-rotatable through hole on the rear crank arm, and then the rear crank arm is fixed on the camshaft by using a nut 20, and the camshaft can rotate in the through hole on the mounting disc; the working ends of the two brake shoes 16, the return spring and the cam shaft 18 all penetrate into the space inside the brake drum 13; the working end of the camshaft 18 is provided with two symmetrical grooves 18-1 which are sunken towards the axis of the camshaft 18, the upper ends of the two brake shoes 16 are clamped in the grooves 18-1, and when the camshaft 18 rotates, the friction plates 17 on the brake shoes 16 are in contact with and separated from the inner side wall of the brake drum 13 to realize the braking and releasing functions.

The number of the rear wheels 3 is 2, the rear wheels are respectively and rotatably connected with two ends of a rear wheel shaft 12, the extending ends of two rear crank arms 19 corresponding to the two rear wheels 3 are respectively hinged with two ends of a brake connecting rod 11, and the brake cable 10 is connected with the brake connecting rod 11.

The working principle is as follows:

a driver sits on the mountain pulley, pulls the handlebar 2 backwards, the front wheel 5 swings forwards to a supporting position, at the moment, the pulley is supported on the ground by the front wheel 5, and the pulley is in a normal running state; when the speed reduction or parking is needed, the handlebar 2 is continuously pulled backwards, the front crank arm 9 connected to the rotating seat 7 pulls the rear crank arm 19 connected to the cam shaft 18 through the brake cable 10 to enable the cam shaft 18 to rotate, the working end of the cam shaft 18 is provided with two symmetrical grooves 18-1 sunken towards the axis of the cam shaft 18, the upper ends of the two brake shoes 16 are clamped in the grooves 18-1, when the cam shaft 18 rotates, the upper ends of the two brake shoes which are symmetrical to each other are outwards spread, meanwhile, the reset spring is stretched to enable the reset spring to store certain elastic potential energy, further, the friction plate 17 on the outer side surface of each brake shoe and the inner wall of the brake drum 13 are extruded and rubbed, braking force is generated on the rotating brake drum 13, and the pulley is forced to reduce or stop;

when the vehicle does not need to be decelerated or parked, the handlebar 2 is pushed forwards, the brake cable 10 is not pulled forwards any more, the torsion moment of the camshaft 18 is lost due to the loss of the pulling force of the rear crank arm 19, two groups of brake shoes 16 which are symmetrical to each other start to move oppositely under the action of the elastic force of the return spring, the friction plate 17 is separated from the brake drum 13, and the rear wheel 3 keeps a rotating state.

In the description of the present invention, it should be noted that the terms "left", "right", "front", "back", "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and the above terms are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition to the technical features described in the specification, the technology is known to those skilled in the art.

The above embodiments are only specific examples of the present invention, and are not intended to limit the present invention in any way, and those skilled in the art may modify or modify the above embodiments by using the technical content disclosed above and equivalent embodiments. However, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the present invention.

Claims (4)

1. A brake mechanism of a mountain tackle comprises a tackle body for bearing a driver, a front wheel, a rear wheel and a steering system, wherein the front wheel and the rear wheel are arranged below the tackle body; the steering system comprises a handlebar, a steering shaft and a rotating seat, wherein the upper end of the steering shaft is connected with the handlebar, the lower end of the steering shaft penetrates through the vehicle body to be connected with a front wheel, the steering shaft is rotatably arranged on the rotating seat, the rotating seat is positioned between the handlebar and the front wheel, and the rotating seat is hinged on a steering fixing seat through a transverse shaft, so that the rotating seat rotates forwards and backwards relative to the vehicle body to drive the front wheel to swing forwards or backwards; the rear wheel rotates and is connected on the rear wheel axle, sets up braking system, characterized by on the rear wheel axle: the brake system comprises a brake drum coaxially arranged on a rear wheel, a brake disc arranged on a rear wheel shaft, two brake shoes symmetrically arranged on the brake disc and a return spring connected between the two brake shoes, wherein friction plates are arranged on outer arc surfaces of the brake shoes which are deviated from each other, and a brake driving device drives the brake shoes to press the friction plates on the brake drum or separate the friction plates from the brake drum.

2. The mountain tackle braking mechanism as claimed in claim 1, wherein: the lower ends of the two brake shoes are hinged on the brake disc, the brake driving device comprises a brake cam shaft which is arranged between the upper ends of the two brake shoes and used for controlling the opening degree between the two brake shoes, and the cam shaft is connected with a rear crank arm; the transverse shaft of the rotating seat is connected with a front crank arm, and the front crank arm is connected with the extending end of the rear crank arm through a brake cable; the handle bar is pulled backwards to enable the rotating seat to rotate relative to the vehicle body, the front crank arm pulls the rear crank arm through the brake cable to drive the brake cam shaft to rotate, and therefore the two brake shoes are driven to be opened, and braking action is achieved.

3. The mountain tackle braking mechanism as claimed in claim 2, wherein: the brake drum is of a barrel-shaped structure with an opening at one end, the bottom of the brake drum is connected with the rear wheel, the opening end faces the brake disc, and the working ends of the two brake shoes, the reset spring and the cam shaft are all arranged on one side, close to the brake drum, of the mounting disc; the driving end of the camshaft is positioned on one side of the mounting disc, which is far away from the brake drum, and is connected with the rear crank arm; therefore, the working ends of the two brake shoes, the return spring and the cam shaft are all deep into the space inside the brake drum, and the friction plates on the brake shoes are in contact with and separated from the inner side wall of the brake drum to realize the functions of braking and loosening.

4. A brake mechanism for a mountain tackle as claimed in claim 2 or claim 3, wherein: the number of the rear wheels is 2, the rear wheels are respectively and rotatably connected with two ends of a rear wheel shaft, the extending ends of two rear crank arms corresponding to the two rear wheels are respectively hinged with two ends of a brake connecting rod, and the brake cable is connected with the brake connecting rod.

Images