CN105752112B - A kind of safety labor-saving wheel barrow stopped suitable for slope - Google Patents

Abstract

The invention discloses a kind of safety labor-saving wheel barrow stopped suitable for slope, including sweep, wagon box, single wheel and handlebar, wagon box is located at the top of sweep, single wheel is fixed on the lower section of sweep by wheel plate, handlebar is fixed on sweep, also include insertion apparatus, carriage and locking device, the insertion apparatus is fixed on sweep or handlebar, carriage is used to realize that wagon box moves back and forth on sweep, locking device is used to fix wagon box, insertion apparatus includes connecting rod, flat clamp and the insertion tube being arranged on below flat clamp, one end of connecting rod is fixed on sweep or handlebar, the other end is fixed with flat clamp.The present invention use said structure, can make wheel barrow in slope handling goods, can obtain reliable stop and ensure, prevent that stroller is out of control, can be easy to be again started up stroller on the slope, meanwhile, it is capable to make discharging laborsaving, conveniently, avoids operating personnel's injury.

Description

A kind of safety labor-saving wheel barrow stopped suitable for slope

Technical field

The present invention relates to the realm of building construction, and in particular to a kind of safety labor-saving wheel barrow stopped suitable for slope.

Background technology

In construction, due to construction environment and landform, general large-scale, quick transloading equipment can not be sent Upper use, now, trolley become means of transport indispensable in building construction process, especially wheel barrow, due to One wheel of its need contacts to earth, stronger to the adaptability of construction landform, therefore is widely used in a variety of applications.

At present, when stopping wheel barrow, directly handing down support bar will be made, as gusseted, to make to push away with single wheel Article on car and stroller stops.In construction site, especially outdoor building building site, the ground for needing handling goods is frequently run onto Fang Bingfei is flat, but on a slope, now in general processing method is, otherwise an operating personnel consolidate car Live calmly, the handling of goods are carried out by another operating personnel；Handle is pushed, support bar is inserted into ground, stops stroller On the slope, if headstock is downward, support bar is very likely fixed not to live stroller, and support bar is easy to extract in soil, reached Less than the purpose for stopping stroller, it is also possible to cause stroller to sweep away slope or rollover, cause the generation of accident；If headstock is upward, Then cause the inclination of car flat board excessive, center of gravity of goods is unstable, easily slides.Therefore, at present in building construction process, running into needs Will be in the situation of slope position handling goods, method of without nothing reliable causes operating efficiency not high, even brings peace Full hidden danger.

In addition, on building sites, typically transport raw material or building waste etc. with stroller, when stroller by raw material or After person's building waste is transported to destination, the mode directly toppled over typically to be taken, raises handlebar, wagon box turns over forward, completes discharging, During this, because raw material or building waste are heavier, plus the weight of vehicle frame in itself, cause whole discharge process very Arduously, and because the amplitude that handlebar lifts is larger, the construction raw material in wagon box or the mutation of building waste center of gravity are caused, so as to Wagon box and whole stroller may be caused to turn on one's side, not only influence discharging, but also operating personnel may be caused injured.

The content of the invention

It is an object of the invention to provide a kind of safety labor-saving wheel barrow stopped suitable for slope, solves current single wheel For stroller when running into needs in slope position handling goods, operating efficiency is not high, and easily causes stroller out of control, brings safety hidden Suffer from, in addition, during discharging, not only arduously, it is inconvenient, and easily cause stroller to be turned on one's side, influence discharging, or even cause The problem of operating personnel's injury.

The present invention to achieve the above object, is realized using following technical scheme：

A kind of safety labor-saving wheel barrow stopped suitable for slope, including sweep, wagon box, single wheel and handlebar, wagon box position In the top of sweep, single wheel is fixed on the lower section of sweep by wheel plate, and handlebar is fixed on sweep, in addition to insertion apparatus, cunning Dynamic device and locking device, the insertion apparatus are fixed on sweep or handlebar, and carriage is used to realize wagon box in sweep On move back and forth, locking device be used for fix wagon box.

In this programme, during wheel barrow transports construction raw material or building waste, locking device fixes wagon box On sweep, i.e., relative motion will not occur between wagon box and sweep, after discharging destination is reached, need to be tossed relative to tradition The mode of handlebar, this programme only need for handlebar to be lifted up certain height, sweep is had certain angle of inclination, then Locking device is opened, wagon box is moved to the front end of sweep in the presence of carriage, and stops at front end suddenly, at itself In the presence of inertia, turned over before wagon box, complete discharging, whole process is quick, laborsaving.Inventor is had found by lot of experiments, traditional Discharge way need to raise handlebar, sweep is turned forward 60 degree or so the objects that can just make in wagon box completely everywhere, by It is larger therefore relatively elaborate in the amplitude lifted, while the stability in whole process can not be guaranteed；And this programme only needs Handlebar, which is lifted, makes sweep turn forward 30 ~ 40 degree or so, then unclamps locking device, wagon box is slided along sweep, and Unexpected stopping is produced, the purpose of light discharging is reached by its inertia, compared to traditional approach, operation is more laborsaving, more reliable, Efficiency is also higher, is not susceptible to turn on one's side, security is higher.

Further, as optimal technical scheme, the insertion apparatus includes connecting rod, flat clamp and is arranged on concora crush Insertion tube below plate, one end of connecting rod are fixed on sweep or handlebar, and the other end is fixed with flat clamp.Insertion tube can be inserted easily Enter in soil, flat clamp is able to ensure that the insertion tube insertion depth below flat clamp is basically identical, makes stress balance, avoids stroller from inclining Tiltedly, even turn on one's side.

Further, cylindrical portion and conus portion are included as optimal technical scheme, the insertion tube, conus portion is fixed on cylinder The bottom in portion, cylindrical portion are hollow-core construction, and upper clamp, the lower clamp being parallel to each other, upper clamp and lower clamp are provided with cylindrical portion Relative neck is provided with, two pieces of symmetrical set squares of the vertical centerline on cylindrical portion, set square energy are connected with neck It is enough to be slided along neck, the first spring is connected between two pieces of set squares, the cylindrical portion, which is provided with, to pass set square Opening；

Also include pedal, second spring, L-shaped drive link and the collar, pedal is located at the top of flat clamp, second spring position The lower section of pedal is fixed in one end of the underface of pedal, and second spring, the other end is fixed on flat clamp, L-shaped transmission The horizontal segment of bar is located at the top of flat clamp, and the vertical section of L-shaped drive link is fixedly connected through flat clamp and with the collar, covers ring set It is connected in insertion tube；

Also include rotating disk and the inserted link being fixed on below rotating disk, rotating disk insertion flat clamp, and rotating disk can be rotated freely, The bottom of inserted link is fixed with cross bar, and the flat clamp is provided with the guide groove of through hole and twice longitudinally through the side wall of through hole, The inserted link passes through the through hole, and the shape of guide groove is engaged with the shape of cross bar.

In this programme, the structure of insertion tube is designed, two triangles that are extended and packing up are provided with insertion tube Plate, under inactive state, in the presence of the collar, set square is forced to be stowed in cylindrical portion, when insertion tube is completely inserted into soil （Flat clamp is affixed with ground substantially）Afterwards, the rotating disk on lower pedal, after cross bar exposes the bottom of flat clamp, rotation turns Disk, cross bar is hooked rotating disk, avoid it from being moved upwards in the presence of second spring；Pedal is during moving downward, set Ring equally moves downward under the induced effect of L-shaped drive link, and set square departs from the compressing of the collar, in the effect of the first spring Under, two pieces of set squares stretch out cylindrical portion and are inserted laterally into soil in the opposite direction, due to during insertion tube underthrust, Two pieces of set squares simultaneously do not extend out cylindrical portion, therefore set square is formed outside cylindrical portion and skids off route, now, in set square Under effect, resistance when insertion tube is pulled out is considerably increased, so as to realize the reliable fixation of stroller on the slope；Work as handling When goods finishes preparation startup stroller, step down on rotating disk and make its rotation, when cross bar turns to the position corresponding with guide groove, Rotating disk is unclamped, in the presence of second spring, pedal moves upwards, and drives the collar to move upwards, the mistake that the collar moves upwards Cheng Zhong, gradually set square is oppressed, and force set square to be packed up into cylindrical portion, now, due to without set square Inhibition, insertion tube can be extracted easily, so as to effortlessly realize being again started up for stroller relatively.

Further, as optimal technical scheme, the set square is right angle triangle, wherein one of right angle triangle Right-angle side is affixed with upper clamp, and another right-angle side arrives cylindrical portion to the distance of the vertical centerline of cylindrical portion less than hypotenuse The distance of vertical centerline.

Further, as optimal technical scheme, the internal diameter of the collar is equal with the external diameter of the cylindrical portion of insertion tube.

Further, as optimal technical scheme, the carriage include the guide chute being arranged on sweep and The guide wheel of wagon box bottom is arranged on, guide wheel is engaged with guide chute.In the presence of guide chute and guide wheel, wagon box can be along Sweep moves back and forth, after wagon box stops suddenly, due to inertia, using the front end of wagon box as fulcrum, the rear end of wagon box to Upper motion, the guide wheel of the rear end of wagon box depart from from guide chute, and whole wagon box turns over before realizing, the carriage structure of this programme Simply, it is easy to operate and realize.

Further, dead bolt, the 3rd spring, drawstring and press strip are included as optimal technical scheme, the locking device, The cell wall of guide chute is provided with mounting hole, mounting hole by it is interior be the 3rd spring, dead bolt successively outward, one end of the 3rd spring is consolidated It is scheduled on dead bolt, the other end is fixed on the bottom hole of mounting hole, and one end of drawstring is fixed on dead bolt after passing through the 3rd spring, and the 3rd Spring is in compressive state all the time, and the other end of drawstring is fixed on press strip, and press strip is movably fixed on handlebar；

The guide wheel is provided with central shaft, and the both ends of central shaft are provided with the hole clipping to match with the shape of dead bolt, and hole clipping with Dead bolt is located at same level height.

In this programme, when wagon box is located at initial position, locking device is by guide wheel card column, specifically, due to not having now There is external force to be applied to press strip, dead bolt is in the presence of the 3rd spring, outwards ejection, and stretching into the hole clipping of central shaft, realization pair The locking of idler positions；After wheel barrow reaches discharging destination, handlebar is lifted to required general height, then grip pressure pressure Bar, press strip pull dead bolt to be moved into mounting hole by drawstring, and dead bolt is extracted out of central shaft hole clipping, and guide wheel departs from dead bolt After control, along inclined guide chute to the nose motion of sweep, after wagon box moves to the front end of sweep, before wagon box The guide wheel at end can just play a part of rotating fulcrum, and therefore, in the presence of inertia, whole wagon box is with the guide wheel of wagon box front end For fulcrum, overturn forward, realize discharging, whole discharging is quickly, steadily；After completing discharging, handlebar, work of the wagon box in guide wheel are pushed Under, initial position is returned to, because dead bolt is similar with door latch structure, as the principle of shutdown, dead bolt is directly pressed into by guide wheel In mounting hole, guide wheel in place after, dead bolt ejects in the presence of the 3rd spring, and is inserted into the hole clipping of guide wheel central shaft, real The locking of existing guide wheel, waits next discharging.

Further, it is provided with the shape with guide wheel as optimal technical scheme, the one end of the guide chute away from handlebar The curved baffle being engaged, the lower end of curved baffle are fixed on the upper edge of guide chute, and the upper end of curved baffle is towards close to handlebar Direction extension.When the guide wheel of wagon box front end moves to the front end of sweep along guide chute, curved baffle had both played auxiliary Guide chute makes the effect of guide wheel stop motion, while can also play the guide wheel for partly encasing wagon box front end together with guide chute Effect, make to stir before wagon box make it is more stable, reliable.

Further, as optimal technical scheme, in addition to accessory plate and some 4th springs, the accessory plate and sweep One end away from handlebar is hinged, and one end of the 4th spring is fixed on the lower section of accessory plate, and the other end is fixed on sweep.Work as wagon box When being turned over before preparing in the presence of inertia, accessory plate is same to have to the upset of sweep front end in the presence of the 4th spring Movement tendency, now, can suitably reduce the height that handlebar lifts, i.e. wagon box only needs certain speed, coordinate accessory plate give The active force given, turned over before can easily realizing wagon box, discharging is completed, so as to more laborsaving, due to before equally wagon box is realized On the basis of turning over, this programme can further reduce the height that handlebar lifts, that is to say, that compared to traditional mode, wagon box Difference in height change further reduces, and the gravity center shift of the object in wagon box is relatively smaller, so that whole discharging is more steady, and Be found by experiment that, this programme only need 20 ~ 25 degree can easily realize wagon box before turn over, while be not susceptible to turn on one's side, safety Property is higher.

Further, it is fixed on as optimal technical scheme, in addition to some 5th springs, one end of the 5th spring The bottom of wagon box, the other end are fixed on the auxiliary board.In the presence of the 5th spring, after wagon box completes discharging, the 5th spring Extended state is in the 4th spring, after discharging, only the weight of surplus wagon box, therefore, only need to somewhat put down handlebar, wagon box Returning can be realized in the presence of the 4th spring and the 5th spring, moreover, in the presence of the 4th spring and the 5th spring, Cushioning effect can be played to the returning of wagon box, one can reduce the impact force between wagon box and sweep, make operation safer, Two can reduce the noise sent between wagon box and sweep.

The present invention compared with prior art, has advantages below and beneficial effect：

（1）By setting an insertion apparatus, insertion tube can be inserted easily in soil the present invention, realize stroller on the slope Fixation, and flat clamp is able to ensure that the insertion tube insertion depth below flat clamp is basically identical, makes stress balance, avoids stroller from inclining Tiltedly, even turn on one's side.

（2）The present invention not only realizes firm fixation of the insertion tube in soil by being designed to insertion tube, flat clamp, It can accomplish when extracting insertion tube simultaneously light laborsaving, be easy to be again started up stroller.

（3）The present invention only needs for handlebar to be lifted up certain height, sweep is had certain angle of inclination, then Locking device is opened, wagon box is moved to the front end of sweep in the presence of carriage, and stops at front end suddenly, at itself In the presence of inertia, turned over before wagon box, complete discharging, whole process is quick, laborsaving.

（4）The present invention is by setting curved baffle, before the guide wheel of wagon box front end moves to sweep along guide chute During end, curved baffle both plays a part of aiding in guide chute to make guide wheel stop motion, while can also be risen together with guide chute To the effect for the guide wheel for partly encasing wagon box front end, make to stir before wagon box make it is more stable, reliable.

（5）The present invention can suitably reduce the height that handlebar lifts, i.e. wagon box only in the presence of accessory plate and the 4th spring Certain speed is needed, in the active force for coordinating accessory plate to give, is turned over before can easily realizing wagon box, discharging is completed, so as to more Add it is laborsaving, due to, on the basis of being turned over before equally realizing wagon box, this programme can further reduce the height that handlebar lifts, That is compared to traditional mode, the difference in height change of wagon box further reduces, and the gravity center shift of the object in wagon box is relatively more It is small, so that whole discharging is more steady.

（6）The present invention is after discharging, due to only remaining the weight of wagon box, therefore, only need to somewhat put down handlebar, and wagon box can be In the presence of 4th spring and the 5th spring, returning is realized, moreover, in the presence of the 4th spring and the 5th spring, can be right The returning of wagon box plays cushioning effect, and one can reduce the impact force between wagon box and sweep, make operation safer, and two can The noise sent with reducing between wagon box and sweep.

Brief description of the drawings

Fig. 1 is the overall structure diagram of the present invention；

Fig. 2 is the structural representation of the insertion apparatus of embodiment 1；

Annexation structural representations of the Fig. 3 between the pedal of embodiment 1, L-shaped drive link, the collar, insertion tube；

Fig. 4 is the internal structure schematic diagram of insertion tube when the set square of embodiment 1 stretches out cylindrical portion；

Fig. 5 is the internal structure schematic diagram of insertion tube when the set square of embodiment 1 takes in cylindrical portion；

Fig. 6 is the polycrystalline substance schematic diagram of the flat clamp of embodiment 1；

Fig. 7 is the structural representation of the sweep of embodiment 1；

Fig. 8 is the structural representation of the wagon box of embodiment 1；

Fig. 9 is the dead bolt and the 3rd spring, the position relationship structural representation of sweep of embodiment 1；

Figure 10 is the structural representation of the guide wheel of embodiment 1；

Figure 11 is the structural representation of the sweep of embodiment 2.

It is entitled corresponding to reference in figure：1st, sweep, 2, wagon box, 3, single wheel, 4, wheel plate, 5, connecting rod, 6, handlebar, 7th, L-shaped drive link, 8, flat clamp, 9, insertion tube, 10, pedal, 11, second spring, 12, the collar, 13, rotating disk, 14, inserted link, 15, horizontal Bar, 16, press strip, 17, drawstring, 18, guide chute, 19, curved baffle, 20, dead bolt, the 21, the 3rd spring, 22, guide wheel, 23, in Mandrel, 24, hole clipping, 25, accessory plate, the 26, the 4th spring, the 27, the 5th spring, 91, cylindrical portion, 92, conus portion, 93, upper clamp, 94th, lower clamp, the 95, first spring, 96, set square, 101, through hole, 102, guide groove.

Embodiment

The present invention is described in further detail with reference to embodiment, but the implementation of the present invention is not limited to this.

Embodiment 1：

As shown in Fig. 1 ~ Figure 10, a kind of safety labor-saving wheel barrow stopped suitable for slope described in the present embodiment, including Sweep 1, wagon box 2, single wheel 3 and handlebar 6, wagon box 2 are located at the top of sweep 1, and single wheel 3 is fixed under sweep 1 by wheel plate 4 Side, handlebar 6 is fixed on sweep 1, in addition to insertion apparatus, carriage and locking device, and the insertion apparatus is fixed on On sweep 1 or handlebar 6, carriage is used to realize that wagon box 2 moves back and forth on sweep 1, and locking device is used to fix wagon box 2.

The insertion apparatus of the present embodiment includes connecting rod 5, flat clamp 8 and the insertion tube 9 for being arranged on the lower section of flat clamp 8, even One end of extension bar 5 is fixed on sweep 1 or handlebar 6, and the other end is fixed with flat clamp 8, because handlebar 6 is integrally fixed on sweep 1 , therefore, no matter one end of connecting rod 5 is fixed on sweep 1 or on handlebar 6, as long as pushing handlebar 6, insertion tube 9 can be achieved Push, insert it into soil.

The insertion tube 9 of the present embodiment includes cylindrical portion 91 and conus portion 92, and conus portion 92 is fixed on the bottom of cylindrical portion 91, circle Post portion 91 is hollow-core construction, and upper clamp 93, the lower clamp 94 being parallel to each other, upper clamp 93 and lower clamp 94 are provided with cylindrical portion 91 Relative neck is provided with, the symmetrical set square 96 of two pieces of vertical centerlines on cylindrical portion 91, triangle are connected with neck Plate 96 can slide along neck, the first spring 95 is connected between two pieces of set squares 96, cylindrical portion 91, which is provided with, can make three The opening that gusset 96 passes, in the presence of the first spring 95, two pieces of set squares have the trend backwards to motion all the time, in addition, In order to prevent set square 96 from departing from upper clamp 93, lower clamp 94, spacing knot can be set at the both ends of upper clamp 93, lower clamp 94 Structure, for example the both ends of neck are blocked, set square 96 can not be fully slid out neck.

The present embodiment also includes pedal 10, second spring 11, L-shaped drive link 7 and the collar 12, and pedal 10 is located at flat clamp 8 top, second spring 11 is located at the underface of pedal 10, and one end of second spring 11 is fixed on the lower section of pedal 10, separately One end is fixed on flat clamp 8；The horizontal segment of L-shaped drive link 7 is located at the top of flat clamp 8, and the vertical section of L-shaped drive link 7 is passed through Wear flat clamp 8 and be fixedly connected with the collar 12, the collar 12 is socketed in insertion tube 9, it is preferred that the internal diameter of the collar 12 and insertion tube 9 The external diameter of cylindrical portion 91 is equal.In addition, in order to coordinate the collar 12, the set square 96 of the present embodiment is preferably right angle triangle, directly A wherein right-angle side and the upper clamp 93 of angle set square are affixed, and another right-angle side is to the vertical centerline of cylindrical portion 91 Distance is less than hypotenuse to the distance of the vertical centerline of cylindrical portion 91, that is to say, that the vertical right-angle side of set square 96 exists all the time In cylindrical portion 91, level right angle side and hypotenuse can stretch out cylindrical portion 91, so, when the collar 12 moves downward, the meeting of set square 96 Constraint effect of the collar 12 to it is released, in the presence of the first spring 95, set square 96 stretches out cylindrical portion, plays increase insertion tube The effect of 9 pull-out resistance, conversely, when the collar 12 moves upwards, force set square 96 inwardly to be packed up, reduce pulling out for insertion tube 9 Go out resistance, be easy to start stroller.In addition, by the Design of length of the vertical section to L-shaped drive link 7, can make the collar 12 to In upper motion process, it is ensured that the collar 12 move upper limit position without departing from set square 96 upper end, so as to avoid the occurrence of the collar 12 situations about can not move downward, what this was easily realized for a person skilled in the art.

The present embodiment also includes rotating disk 13 and is fixed on the inserted link 14 of the lower section of rotating disk 13, and rotating disk 13 is embedded in flat clamp 8, and Rotating disk 13 can be rotated freely, and the bottom of inserted link 14 is fixed with cross bar 15, and flat clamp 8 is provided with through hole 101 and twice are indulged To the guide groove 102 of the side wall through through hole 101, inserted link 14 passes through the through hole 101, and the shape of guide groove 102 and the shape of cross bar 15 Shape is engaged.

The carriage of the present embodiment includes the guide chute 18 being arranged on sweep 1 and is arranged on the bottom of wagon box 2 Guide wheel 22, guide wheel 22 are engaged with guide chute 18.

The locking device of the present embodiment includes dead bolt 20, the 3rd spring 21, drawstring 17 and press strip 16, guide chute 18 Cell wall is provided with mounting hole, mounting hole by it is interior be the 3rd spring 21, dead bolt 20 successively outward, one end of the 3rd spring 21 is fixed on On dead bolt 20, the other end is fixed on the bottom hole of mounting hole, and one end of drawstring 17 is fixed on dead bolt 20 after passing through the 3rd spring 21, 3rd spring 21 is in compressive state all the time, and the other end of drawstring 17 is fixed on press strip 16, and press strip 16 is movably fixed to handlebar 6 On；

The guide wheel 22 of the present embodiment is provided with central shaft 23, and the both ends of central shaft 23 are provided with what is matched with the shape of dead bolt 20 Hole clipping 24, and hole clipping 24 is located at same level height with dead bolt 20.

The one end of the guide chute 18 of the present embodiment away from handlebar 6 is provided with the curved baffle being engaged with the shape of guide wheel 22 19, the lower end of curved baffle 19 is fixed on the upper edge of guide chute 18, and the upper end of curved baffle 19 is prolonged towards the direction close to handlebar 6 Stretch.

Embodiment 2：

As shown in figure 11, the present embodiment adds accessory plate 25 and some 4th springs 26 on the basis of embodiment 1, Accessory plate 25 is hinged with the one end of sweep 1 away from handlebar 6, and one end of the 4th spring 26 is fixed on the lower section of accessory plate 25, another End is fixed on sweep 1.

In addition, the present embodiment also includes some 5th springs 27, one end of the 5th spring 27 is fixed on the bottom of wagon box 2, The other end is fixed on accessory plate 25.

The present embodiment can solve the problem that following problem using said structure：

First, solve equilibrium problem of the stroller when slope is stopped.Traditional stroller is that the point mode of putting forth effort is stopped, when as stopping When being inserted into by the support bar of the strong point in soil, because the center of gravity of goods on stroller might not be just at the center of stroller Place, therefore, when the center of gravity of goods deviates, the depth difference of support bar insertion soil can be caused, the state finally showed is to push away Car tilts, and even turns on one's side.Therefore, the present embodiment is traditional to substitute by the way of flat clamp contacts with the face that ground is affixed The mode that point is puted forth effort, avoids the occurrence of the situation of stroller both sides unbalance stress, in the presence of flat clamp, ensure that whole focusing surface Stress equalization, the problem of car body will not be because of the strong point and run-off the straight, so as to significantly reduce stroller run-off the straight, side The possibility turned over.

2nd, solve stroller to stop built on the sand, stroller is again started up the problem of laborious.Traditional stroller uses support bar conduct Fulcrum is stopped, when stroller is loaded with weight, support bar can be trapped in soil, and in order to stop stroller on the slope, typically Stroller is stopped by the way of directly support bar is pressed into soil, because the lower end of support bar is generally not pointed structures, Therefore to ensure to insert must reach it is deep, it is relative will energetically, and when extracting support bar, due to having weight on slotting depth and stroller, Need support bar could be extracted energetically again, so as to cause whole process to cause high effort for；On the other hand, due to the lower end of support bar Be exactly a common cylinder, it is limited to the grasping force of soil, when stroller on the slope when, support bar be difficult play it is preferably solid It is set for using, finally easily causes stroller glide automatically, be out of control, and then cause goods to tumble, even causes injury to personnel.For This, the present embodiment has carried out the design of uniqueness, by increasing telescopic set square in insertion tube, when insertion tube is completely inserted into mud When in soil, step on pedal and set square stretched out cylindrical portion, be inserted into soil, it is attached to grabbing for soil so as to enhance insertion tube Power, and when needing to extract insertion tube, by unclamping pedal naturally, set square is taken in cylindrical portion in the presence of the collar In, reduce the grasping force of insertion tube, it is easily laborsaving for the relatively conventional operation of whole process, it is easy to start stroller, and without significantly Degree lifts handlebar, avoids the cargoes from scattering caused on stroller.

3rd, solves stroller in discharging, the problem of easily causing car body entirely to be tumbled.Traditional stroller is typically taken directly The mode toppled over, raise handlebar, wagon box turns over forward, completes discharging, during this, due to raw material or building waste compared with Weight, plus the weight of vehicle frame in itself, causes whole discharge process to cause high effort for, and because the amplitude that handlebar lifts is larger, lead The construction raw material in wagon box or the mutation of building waste center of gravity are caused, so as to cause wagon box and whole stroller to turn on one's side, not only Discharging is influenceed, but also operating personnel may be caused injured.Therefore, the application adds accessory plate and some 4th springs, it is auxiliary Plate is helped to be hinged with the one end of sweep away from handlebar, one end of the 4th spring is fixed on the lower section of accessory plate, and the other end is fixed on car On plate.When wagon box is turning over before preparing in the presence of inertia, accessory plate is same to have to car in the presence of the 4th spring Front edge of board upset movement tendency, now, can suitably reduce the height that handlebar lifts, i.e. wagon box only needs certain speed, with The active force that accessory plate is given is closed, is turned over before can easily realizing wagon box, discharging is completed, so as to more laborsaving, due to same Realize on the basis of turning over before wagon box, this programme can further reduce the height that handlebar lifts, that is to say, that compared to traditional side Formula, the difference in height change of wagon box further reduce, and the gravity center shift of the object in wagon box is relatively smaller, so that whole discharging It is more steady, and be found by experiment that, this programme only need 20 ~ 25 degree can easily realize wagon box before turn over, be not susceptible to simultaneously Rollover, security are higher.In addition, the application also add some 5th springs, one end of the 5th spring is fixed on the bottom of wagon box Portion, the other end are fixed on the auxiliary board.In the presence of the 5th spring, after wagon box completes discharging, the 5th spring and the 4th bullet Spring is in extended state, after discharging, the only weight of surplus wagon box, therefore, only need to somewhat put down handlebar, and wagon box can be the In the presence of four springs and the 5th spring, returning is realized, moreover, in the presence of the 4th spring and the 5th spring, can be to car The returning of bucket plays cushioning effect, and one can reduce the impact force between wagon box and sweep, make operation safer, and two can be with Reduce the noise sent between wagon box and sweep.

It is described above, be only presently preferred embodiments of the present invention, any formal limitation not done to the present invention, it is every according to Any simply modification, the equivalent variations made according to the technical spirit of the present invention to above example, each fall within the protection of the present invention Within the scope of.

Claims (5)

1. a kind of safety labor-saving wheel barrow stopped suitable for slope, including sweep（1）, wagon box（2）, single wheel（3）And handlebar （6）, wagon box（2）Positioned at sweep（1）Top, single wheel（3）Pass through wheel plate（4）It is fixed on sweep（1）Lower section, handlebar（6）Gu It is scheduled on sweep（1）On, it is characterised in that：Also include insertion apparatus, carriage and locking device, the insertion apparatus is fixed In sweep（1）Or handlebar（6）On, carriage is used to realize wagon box（2）In sweep（1）On move back and forth, locking device is used for Fixed wagon box（2）；

The insertion apparatus includes connecting rod（5）, flat clamp（8）And it is arranged on flat clamp（8）The insertion tube of lower section（9）, connection Bar（5）One end be fixed on sweep（1）Or handlebar（6）On, the other end and flat clamp（8）It is fixed；

The carriage includes being arranged on sweep（1）On guide chute（18）And it is arranged on wagon box（2）The guide wheel of bottom （22）, guide wheel（22）With guide chute（18）It is engaged；

The insertion tube（9）Including cylindrical portion（91）And conus portion（92）, conus portion（92）It is fixed on cylindrical portion（91）Bottom, circle Post portion（91）For hollow-core construction, cylindrical portion（91）It is interior provided with the upper clamp being parallel to each other（93）, lower clamp（94）, upper clamp（93） With lower clamp（94）Relative neck is provided with, two pieces are connected with cylindrical portion in neck（91）Vertical centerline it is symmetrical Set square（96）, set square（96）It can be slided along neck, two pieces of set squares（96）Between be connected with the first spring（95）, institute State cylindrical portion（91）Set square can be made by being provided with（96）The opening passed；

Also include pedal（10）, second spring（11）, L-shaped drive link（7）And the collar（12）, pedal（10）Positioned at flat clamp （8）Top, second spring（11）Positioned at pedal（10）Underface, and second spring（11）One end be fixed on pedal（10） Lower section, the other end is fixed on flat clamp（8）On；L-shaped drive link（7）Horizontal segment be located at flat clamp（8）Top, L-shaped pass Lever（7）Vertical section run through flat clamp（8）And the and collar（12）It is fixedly connected, the collar（12）It is socketed in insertion tube（9）On；

Also include rotating disk（13）And it is fixed on rotating disk（13）The inserted link of lower section（14）, rotating disk（13）Embedded flat clamp（8）, and turn Disk（13）Can freely it rotate, inserted link（14）Bottom be fixed with cross bar（15）, the flat clamp（8）It is provided with through hole （101）And twice are longitudinally through through hole（101）Side wall guide groove（102）, the inserted link（14）Through the through hole（101）, And guide groove（102）Shape and cross bar（15）Shape be engaged；

The locking device includes dead bolt（20）, the 3rd spring（21）, drawstring（17）And press strip（16）, guide chute（18）'s Cell wall is provided with mounting hole, mounting hole by it is interior be the 3rd spring successively outward（21）, dead bolt（20）, the 3rd spring（21）One end It is fixed on dead bolt（20）On, the other end is fixed on the bottom hole of mounting hole, drawstring（17）One end pass through the 3rd spring（21）It is solid afterwards It is scheduled on dead bolt（20）On, the 3rd spring（21）All the time compressive state, drawstring are in（17）The other end be fixed on press strip（16）On, Press strip（16）It is movably fixed to handlebar（6）On；

The guide wheel（22）Provided with central shaft（23）, central shaft（23）Both ends be provided with and dead bolt（20）The card that matches of shape Hole（24）, and hole clipping（24）With dead bolt（20）Positioned at same level height；

The guide chute（18）Away from handlebar（6）One end be provided with and guide wheel（22）The curved baffle that is engaged of shape （19）, curved baffle（19）Lower end be fixed on guide chute（18）Upper edge, curved baffle（19）Upper end towards close to handlebar （6）Direction extension.

A kind of 2. safety labor-saving wheel barrow stopped suitable for slope according to claim 1, it is characterised in that：Described three Gusset（96）For right angle triangle, a wherein right-angle side for right angle triangle and upper clamp（93）It is affixed, and another right angle Side is to cylindrical portion（91）The distance of vertical centerline be less than hypotenuse to cylindrical portion（91）Vertical centerline distance.

A kind of 3. safety labor-saving wheel barrow stopped suitable for slope according to claim 1, it is characterised in that：The set Ring（12）Internal diameter and insertion tube（9）Cylindrical portion（91）External diameter it is equal.

A kind of 4. safety labor-saving wheel barrow stopped suitable for slope according to claim 1, it is characterised in that：Also include Accessory plate（25）With some 4th springs（26）, the accessory plate（25）With sweep（1）Away from handlebar（6）One end be hinged, Four springs（26）One end be fixed on accessory plate（25）Lower section, the other end is fixed on sweep（1）On.

A kind of 5. safety labor-saving wheel barrow stopped suitable for slope according to claim 4, it is characterised in that：Also include Some 5th springs（27）, the 5th spring（27）One end be fixed on wagon box（2）Bottom, the other end is fixed on accessory plate （25）On.