阅读说明：本技术 一种用于拖挂车的刹车系统 (A kind of brake system for towed vehicle ) 是由 刘海 刘华旭 张峻通 张立武 于 2019-10-09 设计创作，主要内容包括：本发明属于刹车装置技术领域,公开了一种用于拖挂车的刹车系统,其目的在于解决现有拖挂车刹车性能不稳定的问题,本发明包括牵引轴以及拖挂车斗,拖挂车斗的车轮位置设有刹车鼓,拖挂车斗上还固定设有安装支架,安装支架上对称设有两组定滑轮,两组定滑轮之间设有动滑轮,刹车鼓、定滑轮、动滑轮依次通过连接绳连接；动滑轮上还铰接设有连接柱,连接柱贯穿所述安装支架设置并与牵引轴连接,所述连接柱以及牵引轴均可沿车辆行驶方向移动。本发明适用于拖挂车辆的推广使用。(The invention belongs to brake gear technical fields, disclose a kind of brake system for towed vehicle, its object is to solve the problems, such as that existing towed vehicle braking quality is unstable, the present invention includes axis of traction and pulls wagon box, the wheel position for pulling wagon box is equipped with brake rim, pulls and is also fixed with mounting bracket on wagon box, two groups of fixed pulleys are symmetrically arranged in mounting bracket, movable pulley is equipped between two groups of fixed pulleys, brake rim, fixed pulley, movable pulley pass sequentially through connecting rope connection；On movable pulley also hingedly be equipped with connecting column, connecting column through the mounting bracket be arranged and with traction axis connection, the connecting column and axis of traction can be moved along vehicle heading.The present invention is suitable for the popularization and use of articulated vehicle.)

1. a kind of brake system for towed vehicle, it is characterised in that: including axis of traction (1) and pull wagon box (2), towed vehicle (2) are struggled against equipped with brake rim (9), pulls and is also fixed on wagon box (2) mounting bracket (3), at left and right sides of mounting bracket (3) It is equipped on inner sidewall fixed pulley (5), is equipped with movable pulley (6) between two groups of fixed pulleys (5), brake rim (9), moves fixed pulley (5) Pulley (6) passes sequentially through connecting rope (4) connection；Connecting column (7) hingedly also are equipped on movable pulley (6), connecting column (7) is through described Mounting bracket (3) is arranged and connect with axis of traction (1), and the connecting column (7) and axis of traction (1) can be along vehicle headings It is mobile.

2. a kind of brake system for towed vehicle according to claim 1, it is characterised in that: the connecting column (7) with And it is connected between axis of traction (1) by elastic component (8).

3. a kind of brake system for towed vehicle according to claim 1 or 2, it is characterised in that: further include pin (10), pin (10) is embedded on mounting bracket (3), and pin (10) is detachably connected with axis of traction (1).

4. a kind of brake system for towed vehicle according to claim 3, it is characterised in that: further include by the pin (10) solenoid valve being fixed on axis of traction (1).

5. a kind of brake system for towed vehicle according to claim 4, it is characterised in that: the solenoid valve includes setting It is placed in the coil (11) of mounting bracket (3) side, pin (10) is arranged in the opposite side of coil (11)；Axis of traction (1) be equipped with The compatible through-hole (101) of the pin (10), coil (11) obtain magnetic and pin (10) are attracted to enter through-hole after being powered (101) in.

6. a kind of brake system for towed vehicle according to claim 5, it is characterised in that: the through-hole (101) is simultaneously Row is provided with multiple.

7. a kind of brake system for towed vehicle according to claim 5, it is characterised in that: the pin (10) is also logical Spring is crossed to connect with mounting bracket (3).

8. a kind of brake system for towed vehicle according to claim 1, it is characterised in that: the connecting rope (4) is Wirerope.

Technical field

The invention belongs to brake gear technical fields, and in particular to a kind of brake system for towed vehicle.

Background technique

There are also wagon boxes behind in its vehicle body for towed vehicle, for delivering some cargos, but it is huge caused by cargo load-carrying Inertia will affect the braking conditions of vehicle.The brake system to match with front of the car can be arranged for towed vehicle in existing vehicle, It brakes while braking to front of the car to the wagon box of towed vehicle.Since load-carrying is not in the weight and wagon box of front of the car Together, when carrying cargo weight is excessive in wagon box, the inertia generated is also bigger, it is easy to and cause vehicle to be difficult to successfully brake, And then generate security risk.

In order to improve the braking effect of towed vehicle, while the delivery efficiency of cargo is promoted, it is more preferable that a kind of braking effect is set Towed vehicle brake system seem very it is necessary to.

Summary of the invention

In order to solve the above-mentioned problems in the prior art, the present invention provides a kind of towed vehicle that braking effect is outstanding brake Vehicle system.

The technical scheme adopted by the invention is as follows: a kind of brake system for towed vehicle, including axis of traction and pull Wagon box, the wheel position for pulling wagon box is equipped with brake rim, pulls and be also fixed with mounting bracket on wagon box, symmetrical in mounting bracket Equipped with two groups of fixed pulleys, movable pulley is equipped between two groups of fixed pulleys, brake rim, fixed pulley, movable pulley pass sequentially through connecting rope company It connects；On movable pulley also hingedly be equipped with connecting column, connecting column through the mounting bracket be arranged and with traction axis connection, the connection Column and axis of traction can be moved along vehicle heading.

Preferably, being connected between the connecting column and axis of traction by elastic component.

Preferably, further including pin, pin is embedded in mounting bracket, and pin is detachably connected with axis of traction.

Preferably, further including the solenoid valve being fixed on the pin on axis of traction.

Preferably, the solenoid valve includes the coil for being set to mounting bracket side, pair of coil is arranged in pin Side；Axis of traction is equipped with through-hole compatible with the pin, and coil obtains magnetic and pin is attracted to enter through-hole after being powered In.

Preferably, the through-hole be arranged side by side have it is multiple.

It is connect preferably, the pin also passes through spring with mounting bracket.

Preferably, the connecting rope is wirerope.

The invention has the benefit that

1, the present invention passes through the components such as setting fixed pulley, movable pulley and wirerope, when vehicle emergency brake, towed vehicle Bucket is since inertia continues to be moved along, and axis of traction, connecting column then force movable pulley to move backward relative to mounting bracket at this time, Two sides wirerope active force is given in movable pulley moving process, and acts on brake rim, to achieve the purpose that finally to brake.This Invention overall structure is simple and practical, using effect of inertia can it is very stable realize to pull wagon box brake control, improve The driving experience of driver, reduces that wagon box braking quality is unstable and bring security risk due to pulling.

2, the present invention is by setting elastic component, in this way after brake completion, since elastic component restores deformation effect, It pulls wagon box and is eventually returned to initial position, prevent wirerope from generating fatigue and reducing the service life, while also conveniently pulling Wagon box subsequent use.

3, pin is inserted on axis of traction in this way when vehicle is moved backward by the present invention by the way that pin is arranged, vehicle Will pass through axis of traction is directly transmitted to active force in mounting bracket, makees so as to avoid movable pulley and wirerope from playing With backward causing to pull wagon box to move.

4, the present invention is plugged on axis of traction by solenoid valve control pin, needs when driver can be avoided to move backward in this way It gets off and just can be carried out the installation of pin, facilitate driver for the automation control of vehicle, improve whole operational efficiency.Separately Outside, spring is arranged in the present invention also between pin and mounting bracket, and the automation control that pin is detached from axis of traction may be implemented in this way System further promotes the usage experience of driver.

Beneficial effects of the present invention description without being limited thereto, in order to preferably be easy to understand, specific embodiment part into More detailed description is gone.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention Some embodiments for those of ordinary skill in the art without creative efforts, can also basis These attached drawings obtain other attached drawings.

Fig. 1 is structural schematic diagram of the invention；

Fig. 2 is the structural schematic diagram of axis of traction in the present invention；

In figure: 1- axis of traction, 2- pull wagon box, 3- mounting bracket, 4- connecting rope, 5- fixed pulley, 6- movable pulley, 7- connection Column, 8- elastic component, 9- brake rim, 10- pin, 11- coil, 101- through-hole.

Specific embodiment

In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented The component of example can be arranged and be designed with a variety of different configurations.

Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects It encloses.

It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase Mutually combination.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

In the description of the embodiment of the present invention, it should be noted that indicating position or positional relationship is based on shown in attached drawings The orientation or positional relationship invention product using when the orientation or positional relationship usually put or this field The orientation or positional relationship that technical staff usually understands, is merely for convenience of description of the present invention and simplification of the description, rather than indicates Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For limitation of the present invention.In addition, term " first ", " second " are only used for distinguishing description, it is not understood to indicate or imply Relative importance.

In the description of the embodiment of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect It connects；It can be and be directly connected to, can also be indirectly connected with by intermediary.For the ordinary skill in the art, may be used The attached drawing in the concrete meaning type embodiment of above-mentioned term in the present invention is understood with concrete condition, in the embodiment of the present invention Technical solution is clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than complete The embodiment in portion.The component of embodiments of the present invention, which are generally described and illustrated herein in the accompanying drawings can be with a variety of different configurations To arrange and design.

The present invention is further elaborated in the following with reference to the drawings and specific embodiments.

As shown in Figs. 1-2, the present invention is a kind of brake system for towed vehicle, including axis of traction 1 and pulls wagon box 2, the wheel position for pulling wagon box 2 is equipped with brake rim 9, pulls and is also fixed with mounting bracket 3 on wagon box 2, mounting bracket 3 includes Frame body in isosceles trapezoid and the crossbeam across the frame body, matching is equipped with slide opening at the top of frame body and on crossbeam；Installation branch The crossbeam of frame 3 is equipped with two groups of fixed pulleys 5, and two groups of fixed pulleys 5 are arranged along the axisymmetrical of frame body, set between two groups of fixed pulleys 5 There is movable pulley 6, movable pulley 6 is arranged on the axis of frame body, is additionally provided with connecting rope 4, and the both ends of connecting rope 4, which are separately positioned on, pulls On the brake rim 9 of 2 two sides of wagon box, connecting rope 4 successively by the fixed pulley 5 of side, movable pulley 6 and the fixed pulley 5 of the other side, The connecting rope 4 is wirerope；In addition, being also hingedly equipped with connecting column 7 on movable pulley 6, movable pulley 6 can freely turn along its axle center It is dynamic；The connecting column 7 is connect with axis of traction 1, and connecting column 7 and axis of traction 1 extend through the slide opening and frame body of the crossbeam Slide opening can simultaneously slide in slide opening.Set-up mode in the present invention between brake rim 9 and connecting rope 4 can be used application No. is Mode in the patent of invention of CN01237797.X is configured.

In order to which after brake, wirerope can be returned to initial position, avoiding it from generating fatigue influences service life, In one embodiment, it is connected between the connecting column 7 and axis of traction 1 by elastic component 8, which may be configured as bullet Spring.

After above-mentioned brake system is arranged, if vehicle is moved backward backward, axis of traction 1 drives connecting column 7 to force wirerope Brake rim 9 is acted on, such vehicle just can not move backward.In order to avoid such case, in another embodiment, the present invention is also Including pin 10, pin 10 is embedded in mounting bracket 3, and pin 10 is detachably connected with axis of traction 1.When pin 10 and traction When axis 1 is separated, which plays a role and can play good braking action；When pin 10 and the fixed company of axis of traction 1 When connecing, which does not play a role, and axis of traction 1 will pass through pin 10 and act in mounting bracket 3 at this time, can be smoothly real Now move backward.

The first mounting hole can be arranged in assembly for pin 10 in mounting bracket 3, and is provided on axis of traction 1 Two mounting holes, in order to avoid the loss of pin 10, pin 10 is threadedly coupled with the first mounting hole, rotated pin 10 can realize its The variation of relative position in mounting bracket 3 is caught in the second mounting hole additionally by rotated pin 10 and by one end of pin 10, The relatively fixed of pin 10 and axis of traction 1 can be realized in this way, and then realizes reversing.In addition, in order to further ensure pin The stability connected between 10 and axis of traction 1, the pin 10 and the second mounting hole are also by threaded connection.

In order to avoid driver needs to get off to carry out pin 10 and connect with the dismounting of axis of traction 1, realizes pin 10 and draw Automated assembly between axis 1, in another embodiment, the invention also includes the pin 10 is fixed on axis of traction 1 Solenoid valve.When solenoid valve is opened, the pin 10 is fastened on axis of traction 1；When solenoid valve is closed, the pin 10 is detached from Open axis of traction 1.

In order to realize installation more stable between pin 10 and axis of traction 1, in another embodiment, the solenoid valve includes It is set to the coil 11 of 3 side of mounting bracket, the opposite side of coil 11 is arranged in pin 10；Axis of traction 1 is equipped with and the pin 10 compatible through-holes 101, coil 11 obtain magnetic and pin 10 are attracted to enter in through-hole 101 after being powered.

It is mounted on axis of traction 1 in order to facilitate pin 10 is more rapidly stable, in another embodiment, the through-hole 101 Be arranged side by side have it is multiple.

And after completing vehicle backing, if pin 10 is still assemblied on axis of traction 1, which just cannot be sent out The effect of waving, in order to more automate the use for realizing brake system, in another embodiment, pin 10 is located at mounting bracket 3 Lateral ends are additionally provided with handle, and handle can limit the shift length of pin 10, and the handle of the pin 10 passes through spring and installation Bracket 3 connects.

In the specific course of work, when vehicle emergency brake, wagon box 2 and mounting bracket 3 are pulled since inertia is made With will continue to be moved along, and axis of traction 1 then forces movable pulley 6 to move backward by elastic component 8 and connecting column 7 at this time, moves Pulley 6 oppresses wirerope and acts on the brake rim 9 for pulling 2 two sides of wagon box, to reach stable braking effect；In addition, such as The cargo that fruit is pulled in wagon box 2 is heavier, and inertia is bigger, also bigger for the active force of wirerope, thus whole brake effect Fruit is largely effective.In addition, being powered when being moved backward to coil 11, magneticaction drives pin 10 is past to lead at this time Draw the movement of 1 direction of axis and be caught in through-hole 101, so in the process of backing up, vehicle is directly acted on by axis of traction 1, pin 10 In mounting bracket 3, reversing can be smoothly realized.And after reversing, coil 11 is powered off, 11 magnetic force of coil disappears, due to The restoring force for the spring being connected with pin 10 acts on, and pin 10 is separated with axis of traction 1, can guarantee this brake system in this way Smooth use.

The present invention is not limited to above-mentioned optional embodiment, anyone can show that other are various under the inspiration of the present invention The product of form, however, make any variation in its shape or structure, it is all to fall into the claims in the present invention confining spectrum Technical solution, be within the scope of the present invention.