CN205292591U - Gear is from locking -type auxiliary trolley - Google Patents

Abstract

Gear is from locking -type auxiliary trolley relates to broken -down car wheel assistant processing equipment field, especially relates to the improvement that is used for moving the equipment of fortune broken -down car wheel. The utility model provides a structure exquisiteness, convenient to use and operating time are short, can carry out reliable support and stable centre gripping to the trouble wheel during use to the wheel makes the usable auxiliary trolley of operating personnel replace the trouble wheel, proceed the gear is from locking -type auxiliary trolley that certain short distance was gone after breaking down. Walking assembly include a plurality of connections at bottom of the car body's walking wheel, make the automobile body freely to remove subaerial, clamping components includes two friction rollers, at least one splint subassembly and at least one splint drive arrangement, effectively solved the defect that exists among the prior art, had good reliability, a stable in structure, the load is big, the centre gripping is effectual and need not the characteristics of external power supply.

Description

Gear is from locking-type accessory cart

Technical field

The utility model relates to fault wheel auxiliary treatment apparatus field, particularly relates to the improvement of the equipment for movement fault wheel.

Background technology

At present, people in the face of blowing out, the fault such as gas leakage time, usually elder generation's vehicle is moved to safety area, then carries out the replacing of spare tyre; Like this, causing following problem: one, after wheel fault, vehicle moves very difficult, and start vehicle by force and will cause the damage of wheel hub, serious even causes traffic accident because being difficult to manipulation; Two, along with the development of automobile, anti-theft bolt is also applied in vehicle more and more widely, and therefore, once its special anti-theft nut is lost, car owner then must expend very long time wait trailer when in the face of wheel fault; Three, car owner is when changing spare tyre voluntarily, usually has the longer operating time, therefore, also significantly increases the risk of traffic jam.

To this, State Bureau on July 21st, 2010 announced one part by name " motorcycle, power truck blow out emergent trailer ", application number is the Chinese utility model patent of " 200920042920.4 ", in this case by two tiltedly on duty to fault wheel support, and by static line complete fault wheel with trailer between location.

But, people find after reality uses, and owing to its structure is too simple, therefore, can not play reliable supporting role when the fault of different size is taken turns; Meanwhile, it is only realized " walking about " of emergency car by front-wheel, trailing wheel, therefore, when load is bigger, and its stability extreme difference. In addition, this type of technical scheme is stability extreme difference when the wheel of movement automobile, especially when the driving wheel of movement automobile, owing to driving wheel having certain moment of torsion, therefore, very easily there is a series of problem such as slippage, overall upset in this type of device, it may also be useful to effect extreme difference.

Practical novel content

The utility model is for above problem, propose a kind of delicate structure, easy to use and the operating time is short, can carry out fault wheel supporting reliably and stable clamping during use, so that operator can utilize accessory cart to replace fault wheel, the gear proceeding certain short distance traveling after wheel breaks down is from locking-type accessory cart.

The technical solution of the utility model is: comprise car body, walking assembly and clamp assembly, and described walking assembly comprises some walkings being connected to vehicle bottom and takes turns, car body can be moved freely on ground;

Described clamp assembly comprises two friction rollers, at least one cleat assembly and at least one clamping plate drive unit;

The termination of two described friction rollers is all hinged in car body and the two is parallel to each other, and described friction roller comprises two and half rollers and a stationary shaft, is fixedly linked by stationary shaft and the setting of the two concentric between two described half rollers;

Described clamping plate drive unit comprises gear, lower gear and gear bar, described upper gear is socketed described stationary shaft and is fixedly connected with stationary shaft, the two ends of described gear bar are all hinged with car body and are positioned at the lower section of upper gear, described lower gear is socketed described gear bar and is fixedly connected with gear bar, and described upper gear and lower gear engage each other; Outside screw offered by described gear bar and is positioned at the externally threaded rotation direction of lower gear both sides contrary;

Described cleat assembly comprises two clamping plate, two clamping plate arms and clamping plate seat, one end of described clamping plate arm stretches in car body, and the other end extend out to the top of car body, described Boards wall is connected to the top of clamping plate arm, and it is positioned at the side of clamping plate arm towards car body center, described clamping plate seat is fixedly connected in car body, and one end that its both sides and two clamping plate arms stretch in car body is hinged, described clamping plate arm has also offered key-way shape through hole, gear bar described in described key-way shape through hole empty set, and in key-way shape through hole, also it is provided with the driving nut being slidably connected with it, outside screw on described driving nut and gear bar is suitable, and engage each other.

The two ends of described gear bar are all hinged by floating assembly and car body, described floating assembly comprises floating axle sleeve and floating axle, described floating axle be fixedly connected in car body and and gear bar between leave gap, described floating axle sleeve is fixedly connected on floating axle and towards one end of gear bar and is socketed described gear bar.

Described clamping plate are provided with flexible briquetting five towards a side end face of car body.

The side of described car body is hinged with crashproof wheel, and the described crashproof root edge taken turns is higher than the root edge of walking wheel and crashproof takes turns the front end extending out to car body.

Described walking assembly comprises the walking wheel that four arranged and be hinged on vehicle bottom in the same way.

Described walking assembly comprises the walking wheel that eight arranged and be hinged on vehicle bottom in the same way.

Two described walking wheels are one group, and described in four groups, walking wheel point is located at four corner positions of car body;

Described walking assembly also comprises four balancing shafves and four balance arms, and two walking wheels of same group are hinged on the two ends of balance arm respectively, and the middle part of described balance arm is hinged by balancing shaft and car body.

When the utility model uses, first fault wheel can be sailed in the car body of accessory cart, again by clamp assembly clamp fault wheel make it relative with accessory cart fixing so that hereafter can stablize by the several rows travelling wheel below car body, reliably replacement fault wheel carry out short distance traveling. Herein it should be understood that affect by vehicle self-characteristic, can a rotation of wheel, a wheel fixing during vehicle movement, therefore, there is extremely high feasibility and the scope of application very widely in this case. This case efficiently solves in prior art the defect existed, and has that good reliability, Stability Analysis of Structures, load are big, good clamping effect and a feature without the need to external connection power source.

Accompanying drawing explanation

Fig. 1 is the using state reference drawing of this case,

Fig. 2 is the stereographic map one of Fig. 1,

Fig. 3 is the stereographic map two of Fig. 1,

Fig. 4 is the structural representation of this case embodiment five,

Fig. 5 is the vertical view of Fig. 4,

Fig. 6 be the C-C of Fig. 4 to sectional view,

Fig. 7 is the upward view of Fig. 4,

Fig. 8 is that the D-D of Fig. 7 is to sectional view;

In figure, 1 is car body, and 11 is guide swash plate, and 12 is side shield, and 13 is crashproof wheel, and 2 is walking assembly, and 20 is walking wheel, and 21 is balancing shaft, and 22 is balance arm;

3 is clamp assembly;

341 is friction roller, and 3411 is half roller, and 3412 is stationary shaft, 342 is cleat assembly, and 3421 is clamping plate, and 3422 is clamping plate arms, 3423 is clamping plate seats, and 3424 is drive nut, and 343 is clamping plate drive units, 3431 is upper gear, 3432 is lower gear, and 3433 is gear bar, and 344 is floating assembly, 3441 is floating axle sleeve, and 3442 is floating axle;

4 is fault wheel.

Embodiment

The utility model is as shown in figures 1-8, comprise car body 1, walking assembly 2 and clamp assembly 3, described walking assembly 2 comprises and some is connected to the wheel of the walking bottom car body 1 20, car body 1 can be moved freely on ground, and described clamp assembly 3 is connected on car body 1 and for clamping described fault wheel 4. During use, first fault wheel can be sailed in the car body of accessory cart, again by clamp assembly clamp fault wheel make it relative with accessory cart fixing so that hereafter can stablize by the several rows travelling wheel below car body, reliably replacement fault wheel carry out short distance traveling. Herein it should be understood that affect by vehicle self-characteristic, can a rotation of wheel, a wheel fixing during vehicle movement, therefore, there is extremely high feasibility and the scope of application very widely in this case. This case efficiently solves in prior art the defect existed, and has that good reliability, Stability Analysis of Structures, load be big and the feature of good clamping effect.

Described car body is skeleton construction and comprises front framework, rear frame and at least two pipe connectings, the parallel setting of pipe connecting described in two, described front framework is fixedly connected on the front end of pipe connecting, and described rear frame is fixedly connected on the rear end of pipe connecting, and described pipe connecting is telescopic tube. Like this so that the entire length of car body can be regulated by operator easily, thus be applicable to the fault wheel of plurality of specifications size within the specific limits.

Dismountable being connected with in the side of described car body 1 guides swash plate 11, and the both sides of the end face of described guiding swash plate 11 are also fixedly connected with side shield 12. Like this, can convenient, efficient fault wheel be sent in accessory cart. Also in guiding the top of swash plate arrange contact warning device, thus when being sent in accessory cart by fault wheel, certain reminding effect can be played during actual use.

Described guiding swash plate comprise two be hinged partly guide swash plate. Make to guide swash plate to fold easily to pack up, it is convenient to store, carry.

The bottom of described guiding swash plate 11 is also provided with instrument Storage Box. Thus carry out the instrument such as torch light, spanner receiving easily, storing.

The side of described car body 1 is hinged with crashproof takes turns 13, and the described crashproof root edge taking turns 13 is higher than the root edge of walking wheel 20 and crashproof takes turns the front end that 13 extend out to car body 1. Like this, on the one hand, the impact damage that accessory cart is caused by ground prominence can effectively be reduced; On the other hand, when vehicle is climbed, the crashproof setting taken turns can play the effect of effective buffering, transition.In addition, owing to crashproof wheel extend out to car body front end, therefore in the way of lengthening the arm of force, effectively avoid accessory cart when the driving wheel of movement automobile, because driving wheel has moment of torsion, and the problem of the accessory cart upset that may occur.

Described car body 1 and clamp assembly 3 are made up of engineering plastics, aldural or titanium alloy. Thus while there is the advantage such as attractive in appearance, antirust, quality is little, effectively ensure that the physical strength of accessory cart entirety.

The side of described car body 1 is evenly equipped with some flash warning lamps on the surface. Thus in follow-up vehicle movement process, other vehicles are played suggesting effect.

Described clamp assembly 3 comprises two friction rollers 341, at least one cleat assembly 342 and at least one clamping plate drive unit 343;

The termination of two described friction rollers 341 is all hinged in car body 1 and the two is parallel to each other, described friction roller 341 comprise be fixedly linked by stationary shaft 3421 between two and half rollers 3411 and a stationary shaft 3412, two described half rollers 3411 and the two concentric arrange;

Described clamping plate drive unit 343 comprises gear 3431, lower gear 3432 and gear bar 3433, described upper gear 3431 is socketed described stationary shaft 3412 and is fixedly connected with stationary shaft 3412, the two ends of described gear bar 3433 are all hinged with car body 1 and are positioned at the lower section of upper gear 3431, described lower gear 3432 is socketed described gear bar 3433 and is fixedly connected with gear bar 3433, and described upper gear 3431 and lower gear 3432 engage each other; Outside screw offered by described gear bar 3433 and is positioned at the externally threaded rotation direction of lower gear 3432 both sides contrary;

Described cleat assembly 342 comprises two clamping plate 3421, two clamping plate arms 3422 and clamping plate seat 3423, one end of described clamping plate arm 3422 stretches in car body 1, and the other end extend out to the top of car body 1, described clamping plate 3421 are fixedly connected on the top of clamping plate arm 3422, and it is positioned at the side of clamping plate arm 3422 towards car body 1 center, described clamping plate seat 3423 is fixedly connected in car body 1, and one end that its both sides and two clamping plate arms 3422 stretch in car body 1 is hinged, described clamping plate arm 3422 has also offered key-way shape through hole, gear bar 3433 described in described key-way shape through hole empty set, and in key-way shape through hole, also it is provided with the driving nut 3424 being slidably connected with it, described driving nut 3424 is suitable with the outside screw on gear bar 3433, and engage each other. like this, when gear bar rotates, nut is driven to do straight reciprocating motion along gear bar drive, thus by key-way shape by the power applied inwardly by clamping plate arm or outwards swing, finally to drive clamping plate to do inside or outside oscillating motion taking the pin joint of clamping plate arm and clamping plate seat as the center of circle.

Therefore, when fault wheel enters after between two friction rollers via guiding swash plate, the continuation of fault wheel rotates and two friction rollers will be driven to rotate, thus rotated by upper and lower gear driven gear bar, and then make totally four clamping plate close to fault wheel under the drive of clamping plate arm, and final complete paired fault wheel side to clamping and lock dead, and simultaneously the reactive force by two friction rollers is also affected and cannot continue to rotate forward by fault wheel, thus making the several rows travelling wheel below car body to stablize, reliably replacement fault wheel carry out short distance traveling.

Meanwhile, when fault wheel need to be unloaded, can first by parts revolving gear bars such as spanners so that at least one pair of clamping plate unlocks, then rotates backward fault wheel, can be totally released whole clamping plate;Finally, jack-up vehicle and removable accessory cart, repair or replace fault wheel.

Operator also find when reality uses, the factors such as level, road surface situation and vehicle body angle of inclination of driving by person for driving a car affect, when fault wheel enters between two friction rollers, the mid point of fault wheel axis is very likely inconsistent with the mid point of friction roller, thus cause two clamping plate in same cleat assembly only to have one contact with fault wheel (fault wheel cannot translate vertically under frictional force and automobile self structure affect), like this, though also can be clamped by fault wheel, but its clamping form instability, clamping weak effect and clamping force are little. Therefore, this case has also been set up following improvement opportunity scheme:

The two ends of described gear bar 3433 are all hinged by floating assembly 344 and car body 1, described floating assembly 344 comprises floating axle sleeve 3441 and floating axle 3442, described floating axle 3442 be fixedly connected in car body 1 and and gear bar 3433 between leave gap, described floating axle sleeve 3441 is fixedly connected on floating axle 3442 and towards one end of gear bar 3433 and is socketed described gear bar 3433. like this, make cleat assembly (except clamping plate seat), gear bar and lower gear can along gear bar axially to-and-fro movement freely (largest motion amount be two gaps length and), thus when only there being clamping plate to contact with fault wheel, fault wheel be rotated further driven gear bar and clamp assemblies integral translation, and then it is close towards fault wheel to make another clamping plate in this clamp assemblies continue, until two clamping plate are fitted and are clamped fault wheel, namely clamp assembly is effectively improved to the clamping force of fault wheel and clamping effect, and serve the effect of self-centering.

After its two centerings when reality uses (first time, swash plate and the side shield on it carried out by guiding) works very well and centering, the clamping stability of fault wheel and bearing stability are all obtained and significantly promote.

Described clamping plate are provided with flexible briquetting five towards a side end face of car body. (can be made up of the material such as rubber, resin) thus effectively promote clamping plate to the clamping effect of fault wheel.

Described walking assembly 2 comprises four and arranges and be hinged on the wheel of the walking bottom car body 1 20 in the same way. So that accessory cart can freely be walked on ground.

Described walking assembly 2 comprises eight and arranges and be hinged on the wheel of the walking bottom car body 1 20 in the same way. So that accessory cart is when load, more more share out equally load by eight walking wheels, thus effectively reduce the load of single walking wheel, while extending walking wheel work-ing life, effectively improve the stability of accessory cart entirety.

Two described walking wheels 20 are one group, walking wheel 20 points of four corner positions being located at car body described in four groups;

Described walking assembly 2 also comprises four balancing shafves 21 and four balance arms 22, two walking wheels 20 of same group are hinged on the two ends of balance arm 22 respectively, the middle part of described balance arm 22 is hinged by balancing shaft 21 and car body, and (actual production adds man-hour, balancing shaft and floating axle can be set to same parts, to reduce production cost, lift technique globality). Like this, when in the face of hollow road surface, two walkings of Dan Zuzhong take turns and balance arm freely can overturn around balancing shaft, thus effectively improve the laminating degree between walking wheel and ground so that accessory cart is more steady, reliable when replacing fault wheel to travel.

From equipment on the whole, this case also has following feature:

One, the choosing of car body and clamp assembly material (being made up of engineering plastics, aldural or titanium alloy) has that light weight, structural strength height, volume be little and the advantage such as space occupancy rate is low, so that accessory cart can carry out storing or guiding and supporting transhipment easily.

Two, owing to car body entire length is adjustable, therefore can being adapted to the wheel of plurality of specifications within the specific limits, strong adaptability, result of use are good.

Three, due to guide swash plate there is folding feature, therefore, its store time space occupancy rate extremely low and when guiding and supporting transhipment also very convenient.

Four, the clamp assembly of this case is without the need to external connection power source, and the lock that only can realize fault wheel simply, efficiently by the rotation of fault wheel is only, very convenient and without additional energy.

Five, wheel for automobile is made up of driving wheel or follow-up pulley, when driving wheel breaks down, first by the active rotation of fault wheel, it is locked by clamp assembly, the constitutional features of recycling automobile self " differential mechanism " so that automobile can continue " normally travelling "; And when follow-up pulley breaks down, adopt auxiliary means (spanner, crank etc.) or manual rotation failure wheel can complete the locking of clamp assembly, have that result of use is good and the feature of good stability.

Six, record through the actual use of those skilled in the art, the accessory cart of this case can complete accessory cart by being fetched into the process installed at three minutes in (mean value of repetitive measurement), has that operation is simple, operation efficiency height and a feature such as fast and reliable.

Claims (7)

1. gear is from locking-type accessory cart, it is characterised in that, comprise car body, walking assembly and clamp assembly, described walking assembly comprises some walkings being connected to vehicle bottom and takes turns, car body can be moved freely on ground;

Described clamp assembly comprises two friction rollers, at least one cleat assembly and at least one clamping plate drive unit;

The termination of two described friction rollers is all hinged in car body and the two is parallel to each other, and described friction roller comprises two and half rollers and a stationary shaft, is fixedly linked by stationary shaft and the setting of the two concentric between two described half rollers;

Described clamping plate drive unit comprises gear, lower gear and gear bar, described upper gear is socketed described stationary shaft and is fixedly connected with stationary shaft, the two ends of described gear bar are all hinged with car body and are positioned at the lower section of upper gear, described lower gear is socketed described gear bar and is fixedly connected with gear bar, and described upper gear and lower gear engage each other; Outside screw offered by described gear bar and is positioned at the externally threaded rotation direction of lower gear both sides contrary;

Described cleat assembly comprises two clamping plate, two clamping plate arms and clamping plate seat, one end of described clamping plate arm stretches in car body, and the other end extend out to the top of car body, described Boards wall is connected to the top of clamping plate arm, and it is positioned at the side of clamping plate arm towards car body center, described clamping plate seat is fixedly connected in car body, and one end that its both sides and two clamping plate arms stretch in car body is hinged, described clamping plate arm has also offered key-way shape through hole, gear bar described in described key-way shape through hole empty set, and in key-way shape through hole, also it is provided with the driving nut being slidably connected with it, outside screw on described driving nut and gear bar is suitable, and engage each other.

2. gear according to claim 1 is from locking-type accessory cart, it is characterized in that, the two ends of described gear bar are all hinged by floating assembly and car body, described floating assembly comprises floating axle sleeve and floating axle, described floating axle be fixedly connected in car body and and gear bar between leave gap, described floating axle sleeve is fixedly connected on floating axle and towards one end of gear bar and is socketed described gear bar.

3. gear according to claim 1 is from locking-type accessory cart, it is characterised in that, described clamping plate are provided with flexible briquetting five towards a side end face of car body.

4. gear according to claim 1 is from locking-type accessory cart, it is characterised in that, the side of described car body is hinged with crashproof wheel, and the described crashproof root edge taken turns is higher than the root edge of walking wheel and crashproof takes turns the front end extending out to car body.

5. gear according to claim 1 is from locking-type accessory cart, it is characterised in that, described walking assembly comprises the walking wheel that four arranged and be hinged on vehicle bottom in the same way.

6. gear according to claim 1 is from locking-type accessory cart, it is characterised in that, described walking assembly comprises the walking wheel that eight arranged and be hinged on vehicle bottom in the same way.

7. gear according to claim 6 is from locking-type accessory cart, it is characterised in that, two described walking wheels are one group, and described in four groups, walking wheel point is located at four corner positions of car body;

Described walking assembly also comprises four balancing shafves and four balance arms, and two walking wheels of same group are hinged on the two ends of balance arm respectively, and the middle part of described balance arm is hinged by balancing shaft and car body.