CN205661472U - Reliable and stable building site handcart - Google Patents

Abstract

The utility model discloses a reliable and stable building site handcart, including the sweep, the car hopper, single wheel and handlebar, the car hopper is located the top of sweep, the single wheel passes through the wheel plate and fixes the below at the sweep, the handlebar is fixed on the sweep, still include interpolating arrangement and tilting prevention device, interpolating arrangement fixes on sweep or handlebar, tilting prevention device sets up the both sides at the sweep, and tilting prevention device can realize opening downwards and court's sweep bottom direction is packed up, interpolating arrangement includes the connecting rod, flat clamp and set up the section of thick bamboo of inserting in the flat clamp below, the one end of connecting rod is fixed on sweep or handlebar, the other end is fixed with flat clamp. The utility model adopts the above structure, can make wheel barrow when the goods handling of slope, can obtain reliable stop and guarantee, prevent that the shallow is out of control, can be convenient for start once more the shallow aslope, can also avoid the shallow to take place to tumble at the in -process that transports the goods simultaneously, prevent to lead to the fact the injury to the shallow personnel.

Description

A kind of reliable and stable construction site handbarrow

Technical field

This utility model relates to the realm of building construction, is specifically related to a kind of reliable and stable construction site handbarrow.

Background technology

In construction, due to construction environment and landform, transloading equipment the most large-scale, quick cannot be sent Upper use, now, handbarrow becomes means of transport indispensable in building construction process, especially wheel barrow, due to One wheel of its need contacts to earth, higher to the adaptation ability of construction landform, is therefore widely used in a variety of applications.

At present, when stopping wheel barrow, directly support bar and single wheel will be made as gusseted handing down, make to push away Article on car and go-cart stop.In construction site, especially outdoor building building site, it is frequently run onto the ground needing handling goods Fang Bingfei is smooth, and is on a slope, and the most general processing method is, or operator are solid by car Determine to live, another operator carry out the handling of goods；Lower pressure handle hands, makes support bar be inserted in ground, makes go-cart stop On the slope, if headstock is downward, then support bar very likely fixing incessantly go-cart, support bar is easy to extract from earth, reaches Less than the purpose stopping go-cart, it is also possible to cause go-cart to sweep away slope or rollover, cause the generation of accident；If headstock is upwards, The inclination then causing car flat board is excessive, and center of gravity of goods is unstable, easy landing.Therefore, at present in building construction process, run into and need Will be when the situation of slope position handling goods, the way that has nothing reliable, cause operating efficiency the highest, even bring peace Full hidden danger.

It addition, when the crank of goods in road injustice or go-cart occurs during promoting dolly, easily Cause go-cart to tilt, and if this slope trend is dealt with improperly by go-cart operator, it is most likely that cause go-cart to be tumbled, not only Causing the cargoes from scattering in go-cart, the dolly toppled over suddenly is relatively big due to the movement range of car, easily go-cart personnel is caused wound Evil, especially on construction site, with a varied topography, and the thing transported is the most heavier, therefore, is badly in need of a kind of safety, reliability Higher transport dolly ensures construction safety, successfully carries out.

Utility model content

The purpose of this utility model is to provide a kind of reliable and stable construction site handbarrow, solves current single wheel and pushes away Car is when running into needs at slope position handling goods, and operating efficiency is the highest, and it is out of control to be easily caused go-cart, brings potential safety hazard Problem, it addition, there is also the landform that cannot adapt to complexity, cause go-cart to be tumbled transporting to be easily caused during goods, Cause cargoes from scattering, the problem even go-cart personnel being brought injury.

This utility model for achieving the above object, realizes by the following technical solutions:

A kind of reliable and stable construction site handbarrow, including sweep, wagon box, single wheel and handlebar, wagon box is positioned at sweep Top, single wheel is fixed on the lower section of sweep by wheel plate, and handlebar is fixed on sweep, also includes insertion apparatus and Anti-inversion Putting, described insertion apparatus is fixed on sweep or handlebar, and tilting prevention device is arranged on the both sides of sweep, and tilting prevention device is capable of Open downwards and pack up towards sweep bottom direction.Insertion apparatus can be inserted in earth firmly, is easy to again extract simultaneously, Realize on the slope go-cart firm fixing on the basis of, be conveniently again started up go-cart；After tilting prevention device is opened downwards, it is possible to para-position Put a lower side to play a supporting role, thus slow down this slope trend, and the part tilted is played a supporting role, convenient Adjust the position of centre of gravity of dolly time operator have more, it is to avoid cargoes from scattering, also avoid dolly directly to tumble simultaneously Afterwards operator are caused infliction of body.

Further, as optimal technical scheme, described insertion apparatus includes connecting rod, flat clamp and is arranged on concora crush Insertion tube below plate, one end of connecting rod is fixed on sweep or handlebar, and the other end is fixed with flat clamp.Insertion tube can easily be inserted Entering in earth, flat clamp is able to ensure that the insertion tube insertion depth below flat clamp is basically identical, makes stress balance, it is to avoid go-cart is inclined Tiltedly, even turn on one's side.

Further, as optimal technical scheme, described insertion tube includes cylindrical portion and conus portion, and conus portion is fixed on cylinder The bottom in portion, cylindrical portion is hollow-core construction, is provided with the upper clamp being parallel to each other, lower clamp, upper clamp and lower clamp in cylindrical portion It is provided with relative draw-in groove, in draw-in groove, is connected with the set square that two pieces of vertical centrages about cylindrical portion are symmetrical, set square energy Enough sliding along draw-in groove, connecting between two pieces of set squares has the first spring, described cylindrical portion to be provided with set square can be made to pass Opening；

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

Also including rotating disk and be fixed on the inserted link below rotating disk, rotating disk embeds flat clamp, and rotating disk can be freely rotatable, The bottom of inserted link is fixed with cross bar, and described flat clamp is provided with through hole and the twice guide groove longitudinally through the sidewall of through hole, Described inserted link passes this through hole, and the matching form of the shape of guide groove and cross bar closes.

In this programme, the structure of insertion tube is designed, in insertion tube, be provided with two triangles that are extended and that pack up Plate, under resting state, under the effect of the collar, set square is forced to be stowed in cylindrical portion, in insertion tube is completely inserted into earth After (flat clamp is basic and ground is affixed), the rotating disk on lower pedal, after cross bar exposes the bottom of flat clamp, rotate and turn Dish, makes cross bar be hooked by rotating disk, it is to avoid it moves upward under the effect of the second spring；Pedal, during moving downward, overlaps Ring, under the induced effect of L-shaped drive link, moves downward equally, 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 in the opposite direction and are inserted laterally in earth, during inserting under insertion tube, Two pieces of set squares also do not extend out cylindrical portion, and therefore do not form set square outside cylindrical portion skids off route, now, at set square Under effect, considerably increase resistance when insertion tube is pulled out such that it is able to realize go-cart on the slope reliable fixing；Work as handling When the complete preparation of goods starts go-cart, step down on rotating disk and make it rotate, when cross bar turns to the position corresponding with guide groove, Unclamping rotating disk, under the effect of the second spring, pedal moves upward, and drives the collar to move upward, the mistake that the collar moves upward Cheng Zhong, gradually oppresses set square, and forces set square to be packed up in cylindrical portion, now, due to without set square Inhibition, insertion tube can easily be extracted such that it is able to relatively realizes being again started up of go-cart effortlessly.

Further, as optimal technical scheme, described set square is right angle triangle, wherein 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 centrage of cylindrical portion less than hypotenuse The vertically distance of centrage.

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

Further, as optimal technical scheme, described tilting prevention device includes support section and control part, described support Part includes that gripper shoe, described gripper shoe are hinged on sweep on the side parallel with moving of car direction；

Described control part includes power supply, electric magnet, dip measuring device, iron block, comparator and relay, described electricity Dip measuring device and electric magnet are powered by source, one of them input of the output termination comparator of dip measuring device, than Another one input one predeterminated voltage signal of termination of relatively device, one end of the outfan contact relay of comparator, relay Other end ground connection, the normally-closed contact of relay is serially connected in the loop at electric magnet place, power supply, electric magnet, dip measuring device, Comparator and relay may be contained within sweep, and described iron block is arranged on the supporting plate, when gripper shoe and sweep are affixed, and iron block It is affixed with electric magnet.

In this programme, dip measuring device is for the inclination angle of measurement sweep in real time, when sweep is in level, electricity Magnet is charged and holds the iron block in gripper shoe, and gripper shoe is in collapsed state；When sweep run-off the straight in motor process, Angle of inclination is detected by dip measuring device, and exports voltage corresponding to this angle of inclination and will connect to comparator, comparator Receiving voltage to carry out size with predeterminated voltage signal and compare, when the voltage received is less than predeterminated voltage signal, comparator is defeated Going out low level, relay no power, normally-closed contact is in closure state, electric magnet live line work, gripper shoe is held；Work as reception When the voltage arrived is more than predeterminated voltage signal, comparator output high level, relay power, normally-closed contact is off, Electric magnet dead electricity, loses gripper shoe the absorption affinity of electric magnet and opens downwards, car body plays the work of support, buffered pitch Car body action amplitude of variation is caused greatly trammer to be damaged with, it is to avoid whole the tumbling of car body.In this programme, if comparator When the high level of output is not enough so that relay works, voltage or current amplifier can be increased between relay and comparator. It addition, the voltage signal of dip measuring device output is the biggest, illustrate that inclination angle is the biggest, and the voltage signal preset can be as desired Fixed, this predeterminated voltage signal is for comparing with the voltage signal of dip measuring device output, thus judges inclining of sweep Whether angle exceedes warning value, and the warning value at such as inclination angle is 30 degree, then what predeterminated voltage signal was corresponding is that dip measuring device is surveyed Go out when inclination angle is 30 degree the voltage signal of output, the most on this basis, the voltage signal that dip measuring device exports every time with This predeterminated voltage signal contrasts, it is judged that sweep has been tilted beyond 30 degree, if not having, is then not switched on gripper shoe, no Then, opening gripper shoe, whole operation can greatly reduce the probability that car body is tumbled, and makes dolly transport the process of goods more Reliably, thus also indirectly trammer is served certain protective effect.After tilting to release, sweep returns to level, Electric magnet live line work again, is upwards collected through by hand propelled gripper shoe, and the iron block in gripper shoe is together with electromagnetic actuation, real Packing up of existing gripper shoe, does not affect the go-cart normal use when not heeling condition.

Further, as optimal technical scheme, described gripper shoe is provided with torsion spring in the hinged place of sweep.Torsion spring can make Gripper shoe has the trend opened downwards all the time, and after electric magnet dead electricity, gripper shoe can be opened downwards, when first Between car body is played a supporting role, make car body quickly stop inclination, to the time of the more adjustment of trammer.

Further, as optimal technical scheme, described dip measuring device is obliquity sensor or gyroscope.Inclination angle passes The inclination conditions of sweep, as dip measuring device, can be measured by sensor and gyroscope in real time, and corresponding output voltage Signal, thus provide foundation for whether opening of gripper shoe.

Further, as optimal technical scheme, described gripper shoe is provided with card article, and sweep is provided with corresponding with card article Hole clipping, after gripper shoe fully opens downwards, the free end of card article is inserted in hole clipping.This programme is by arranging card article, it is possible to Effectively strengthen gripper shoe open after support steadiness, after gripper shoe is opened downwards, card article take advantage of a situation be inserted on sweep right In the hole clipping answered, card article is firmly withstood by hole clipping, meanwhile, under the effect of torsion spring, enables gripper shoe and sweep to be maintained at and props up The possible angle of support, thus obtain preferably support effect.

Further, as optimal technical scheme, described card article is arcuate structure, and the arc length of this arcuate structure accounts for this arc The 1/8 ~ 1/5 of the girth of shape structure place circle.When the arc length of arcuate structure accounts for the 1/8 ~ 1/5 of the girth of this arcuate structure place circle Time, i.e. arc length is less than quadrant, and after gripper shoe fully opens, gripper shoe is more than 90 degree with sweep angulation, Even if thus occur that sweep tilts bigger situation, also can guarantee that gripper shoe can be at vertical state or to single wheel direction deflection State, make gripper shoe have reliably support, steadiness is more preferable.

This utility model compared with prior art, has the following advantages and beneficial effect:

(1) this utility model is by arranging an insertion apparatus, and insertion tube can easily be inserted in earth, it is achieved go-cart is tiltedly Fixing on slope, and flat clamp is able to ensure that the insertion tube insertion depth below flat clamp is basically identical, makes stress balance, it is to avoid push away Car tilts, and even turns on one's side.

(2) this utility model is by being designed insertion tube, flat clamp, not only achieves firm solid in earth of insertion tube Fixed, can accomplish the most laborsaving when extracting insertion tube, it is simple to be again started up go-cart simultaneously.

(3) this utility model is by arranging tilting prevention device on car body, it is possible to when sweep is tilted beyond certain angle, real Automatically opening up of existing tilting prevention device, thus the car body tilted is played good supporting role, slow down the slope trend of car body, just Have sufficient time to adjust in trammer, also avoid car body directly to tumble simultaneously, make the goods on car avoid being scattered, also avoid Trammer is caused infliction of body because action is excessive by the car body tumbled.

(4) structure that this utility model coordinates with control system by using gripper shoe, comes real by dip measuring device The now measurement to sweep angle of inclination, and judge whether to open gripper shoe by this measured value, thus realize gripper shoe at car Body tilt excessive in the case of automatically, open rapidly, the car body tilted is played quick supporting role, whole simple to operate, Without Non-follow control, even if the strongest people of equilibrium sense promotes this dolly, same it can be avoided that occur that dolly is tumbled, therefore, have What effect added go-cart is suitable to crowd.

Accompanying drawing explanation

Fig. 1 is overall structure schematic diagram of the present utility model；

Fig. 2 is the structural representation of insertion apparatus；

Fig. 3 is the annexation structural representation between pedal, L-shaped drive link, the collar, insertion tube；

Fig. 4 is set square internal structure schematic diagram of insertion tube when stretching out cylindrical portion；

The internal structure schematic diagram of insertion tube when Fig. 5 is set square income cylindrical portion；

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

Fig. 7 is gripper shoe position relationship structural representation of gripper shoe and sweep when being in open mode；

Fig. 8 is gripper shoe position relationship structural representation of gripper shoe and sweep when being in collapsed state；

Fig. 9 is the annexation structural representation of control part.

Corresponding entitled of reference in figure: 1, sweep, 2, wagon box, 3, single wheel, 4, wheel plate, 5, connecting rod, 6, handlebar, 7, L-shaped drive link, 8, flat clamp, 9, insertion tube, 10, pedal, the 11, second spring, 12, the collar, 13, rotating disk, 14, inserted link, 15, horizontal Bar, 16, gripper shoe, 17, card article, 18, hole clipping, 19, electric magnet, 20, dip measuring device, 21, iron block, 22, torsion spring, 91, circle Post portion, 92, conus portion, 93, upper clamp, 94, lower clamp, the 95, first spring, 96, set square, 101, through hole, 102, guide groove.

Detailed description of the invention

Below in conjunction with embodiment, this utility model is described in further detail, but embodiment of the present utility model is not It is limited to this.

Embodiment:

As shown in Fig. 1 ~ Fig. 9, a kind of reliable and stable construction site handbarrow described in the present embodiment, including sweep 1, car Bucket 2, single wheel 3 and handlebar 6, wagon box 2 is positioned at the top of sweep 1, and single wheel 3 is fixed on the lower section of sweep 1, handlebar 6 by wheel plate 4 Being fixed on sweep 1, also include insertion apparatus, insertion apparatus is fixed on sweep 1 or handlebar 6, also includes insertion apparatus and prevents Focusing device, insertion apparatus is fixed on sweep 1 or handlebar 6, and tilting prevention device is arranged on the both sides of sweep 1, and tilting prevention device can Realize opening downwards and packing up towards sweep 1 bottom direction.

The insertion apparatus of the present embodiment includes connecting rod 5, flat clamp 8 and is arranged on the insertion tube 9 below flat clamp 8, even One end of extension bar 5 is fixed on sweep 1 or handlebar 6, and the other end is fixed, owing to handlebar 6 is integrally fixed on sweep 1 with flat clamp 8 , therefore, no matter one end of connecting rod 5 is fixed on sweep 1 or on handlebar 6, as long as under delay unloading 6, all can realize insertion tube 9 Pressure down so that it is insert in earth.

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, is provided with upper clamp 93, the lower clamp 94 being parallel to each other, upper clamp 93 and lower clamp 94 in cylindrical portion 91 It is provided with relative draw-in groove, in draw-in groove, is connected with the set square 96 that two pieces of vertical centrages about cylindrical portion 91 are symmetrical, triangle Plate 96 can slide along draw-in groove, and connecting between two pieces of set squares 96 has the first spring 95, and cylindrical portion 91 is provided with and can make three The opening that gusset 96 passes, under the effect of the first spring 95, two pieces of set squares have the trend moved dorsad all the time, it addition, In order to prevent set square 96 from departing from upper clamp 93, lower clamp 94, spacing knot can be set at upper clamp 93, the two ends of lower clamp 94 The two ends of draw-in groove are such as blocked, make set square 96 cannot fully slide out draw-in groove by structure.

The present embodiment also includes pedal the 10, second spring 11, L-shaped drive link 7 and the collar 12, and pedal 10 is positioned at flat clamp The top of 8, the second spring 11 is positioned at the underface of pedal 10, and one end of the 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 positioned at the top of flat clamp 8, and the vertical section of L-shaped drive link 7 is passed through Wearing flat clamp 7 and fixing with the collar 12 be connected, 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.It 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 of angle set square is affixed with upper clamp 93, and another right-angle side is to the vertical centrage of cylindrical portion 91 Distance is less than the distance of the vertical centrage of hypotenuse to cylindrical portion 91, say, that the vertical straight arm of angle of set square 96 exists all the time In cylindrical portion 91, level right angle limit and hypotenuse can stretch out cylindrical portion 91, so, when the collar 12 moves upward, and set square 96 meeting Releasing the collar 12 constraint effect to it, under the effect of the first spring 95, set square 96 stretches out cylindrical portion, plays increase insertion tube The effect of the pull-out resistance of 9, otherwise, when the collar 12 moves upward, force set square 96 inwardly to be packed up, reduce pulling out of insertion tube 9 Go out resistance, it is simple to start go-cart.It addition, by the Design of length of the vertical section to L-shaped drive link 7, it is possible to make the collar 12 to In upper motor process, it is ensured that the upper limit position of the collar 12 motion is without departing from the upper end of set square 96, thus avoids the occurrence of the collar 12 situations about can not move downward, this easily realizes for a person skilled in the art.

The present embodiment also includes rotating disk 13 and is fixed on the inserted link 14 below rotating disk 13, and rotating disk 13 embeds flat clamp 8, and Rotating disk 13 can be freely rotatable, 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 sidewall running through through hole 101, inserted link 14 is through this through hole 101, and the shape of the shape of guide groove 102 and cross bar 15 Shape matches.

The tilting prevention device of the present embodiment includes support section and control part, and support section includes gripper shoe 16, described Fagging 16 is hinged on side parallel with moving of car direction on sweep 1；

Control part includes power supply, electric magnet 19, dip measuring device 20, iron block 21, comparator and relay, described Dip measuring device 20 and electric magnet 19 are powered by power supply, and one of them of the output termination comparator of dip measuring device 20 is defeated Enter end, another one input one predeterminated voltage signal of termination of comparator, one end of the outfan contact relay of comparator, continue The other end ground connection of electrical equipment, the normally-closed contact of relay is serially connected in the loop at electric magnet 19 place, power supply, electric magnet 19, inclines Angle measuring device 20, comparator and relay may be contained within sweep 1, and described iron block 21 is arranged in gripper shoe 16, support When plate 16 and sweep 1 are affixed, iron block 21 is affixed with electric magnet 19.

Being illustrated in figure 9 the annexation figure of control part, the inclination angle of sweep is carried out in real time by dip measuring device Measuring, and corresponding output voltage signal is to one of them input of comparator, another input termination of comparator is pre- If voltage U, the size of this predeterminated voltage U is determined by inclination angle warning value, such as, it is allowed to the allowable angle of inclination of sweep be 30 degree (i.e. When sweep tilts 30 degree, tilting prevention device is not switched on), then the size of predeterminated voltage and dip measuring device measure inclination angle when being 30 degree The voltage swing of output is equal, and the magnitude of voltage that dip measuring device exports every time all compares with predeterminated voltage U, if less than pre- If voltage U, then comparator output low level, relay K A no power, the normally-closed contact KA1 of relay K A is in closure state, Gripper shoe is also held by electric magnet live line work, and gripper shoe is in collapsed state；Once when the voltage of dip measuring device output When value is more than predeterminated voltage U, i.e. the inclination angle of sweep exceedes warning value, then comparator output high level, and relay K A is energized, and it is normal Closed contact KA1 is off, electric magnet dead electricity, and gripper shoe loses the absorption affinity of electric magnet, under the effect of self gravitation Naturally opening, car body is supported by the gripper shoe under open mode；After sweep is in level, can manual-up pack up Gripper shoe, the iron block in gripper shoe completes packing up of gripper shoe together with inhaling with the electric magnet on sweep.

In order to realize opening rapidly of gripper shoe 16, quickly enter holding state, gripper shoe 16 and the sweep 1 of the present embodiment Hinged place in be provided with torsion spring 22.

Preferably, the dip measuring device 20 of the present embodiment is obliquity sensor or gyroscope.

The gripper shoe 16 of the present embodiment is provided with card article 17, and sweep 1 is provided with the hole clipping 18 corresponding with card article 17, works as support After plate 16 fully opens downwards, the free end of card article 17 is inserted in hole clipping 18.

The card article 17 of the present embodiment is arcuate structure, and the arc length of this arcuate structure accounts for the girth of this arcuate structure place circle 1/8 ~ 1/5.

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

One, equilibrium problem when go-cart is stopped is solved on slope.Traditional go-cart is that the some mode of putting forth effort is stopped, when as stopping When being inserted in earth by the support bar of the strong point, owing in go-cart, the center of gravity of goods might not be just at the center of go-cart Place, therefore, during the deviation of this center of gravity of goods, can cause support bar to insert the degree of depth difference of earth, and the state finally presented is to push away Car tilts, and even turns on one's side.To this end, the mode that the face that the present embodiment uses flat clamp to be affixed with ground contacts is traditional to replace The mode that point is puted forth effort, it is to avoid the situation of go-cart both sides unbalance stress occurs, under the effect of flat clamp, it is ensured that whole focusing surface Stress equalization, car body will not the run-off the straight because of the problem of the strong point, thus significantly reduce go-cart run-off the straight, side The probability turned over.

Two, solving go-cart to stop built on the sand, go-cart is again started up laborious problem.Traditional go-cart uses support bar conduct Stopping fulcrum, when go-cart is loaded with weight, support bar can be trapped in earth, and in order to stop go-cart on the slope, typically The mode being directly pressed in earth by support bar is used to make go-cart stop, owing to the lower end of support bar is generally not pointed structures, Therefore to ensure to insert enough deep, relatively will the most, and when extracting support bar, owing to inserting deeply and to have weight in go-cart, Need again could be extracted by support bar energetically, thus 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, limited to the grasping force of earth, when go-cart on the slope time, support bar is difficult to play the most solid Be set for use, be finally easily caused go-cart automatically glide, out of control, and then cause goods to be tumbled, even cause 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 Time in soil, step on pedal and make set square stretch out cylindrical portion, be inserted in earth, thus enhancing insertion tube and earth is grabbed attached Power, and when insertion tube is extracted by needs, by naturally unclamping pedal, make set square take in cylindrical portion under the effect of the collar In, reduce the grasping force of insertion tube, for the relatively conventional operation of whole process, the most laborsaving, it is simple to start go-cart, and without significantly Degree lifts handlebar, it is to avoid cause the cargoes from scattering in go-cart.

Three, solution go-cart is when Uneven road or center of gravity of goods shakiness, is easily caused go-cart and tumbles, and causes goods to dissipate Fall, the problem that even trammer is injured.Traditional go-cart balance in running leans on trammer, control, pushing away substantially During car, careless slightly, it is easily caused tilting of car body, along with the continuous aggravation of magnitude of inclination, ultimately resulting in go-cart can not Control and thoroughly tumble.To this end, embodiment adds tilting prevention device, this device can when sweep is tilted beyond certain angle, Realize automatically opening up of tilting prevention device, thus the car body tilted played good supporting role, slow down the slope trend of car body, It is easy to trammer have sufficient time to adjust, also avoids car body directly to tumble simultaneously, make the goods on car avoid being scattered, also keep away Trammer is caused infliction of body because action is excessive by the car body exempting to tumble, even if the strongest people of equilibrium sense promotes this little Car, same it can be avoided that occur that dolly is tumbled, therefore, effectively increase go-cart is suitable to crowd.

The above, be only preferred embodiment of the present utility model, and this utility model not does any pro forma limit System, every according to technical spirit of the present utility model, above example is made any simple modification, equivalent variations, each fall within Within protection domain of the present utility model.

Claims (10)

1. a reliable and stable construction site handbarrow, including sweep (1), wagon box (2), single wheel (3) and handlebar (6), car Bucket (2) is positioned at the top of sweep (1), and single wheel (3) is fixed on the lower section of sweep (1) by wheel plate (4), and handlebar (6) is fixed on car On plate (1), it is characterised in that: also include that insertion apparatus and tilting prevention device, described insertion apparatus are fixed on sweep (1) or handlebar (6) on, tilting prevention device is arranged on the both sides of sweep (1), and tilting prevention device is capable of opening downwards and towards sweep (1) bottom Direction is packed up.

A kind of reliable and stable construction site handbarrow the most according to claim 1, it is characterised in that: described insertion apparatus Including connecting rod (5), flat clamp (8) and the insertion tube (9) being arranged on flat clamp (8) lower section, one end of connecting rod (5) is fixed on On sweep (1) or handlebar (6), the other end is fixed with flat clamp (8).

A kind of reliable and stable construction site handbarrow the most according to claim 2, it is characterised in that: described insertion tube (9) Including cylindrical portion (91) and conus portion (92), conus portion (92) is fixed on the bottom of cylindrical portion (91), and cylindrical portion (91) is hollow Structure, is provided with in cylindrical portion (91) on the upper clamp (93) being parallel to each other, lower clamp (94), upper clamp (93) and lower clamp (94) Be provided with relative draw-in groove, be connected with in draw-in groove two pieces about the symmetrical set squares (96) of the vertical centrages of cylindrical portion (91), three Gusset (96) can slide along draw-in groove, and connecting between two pieces of set squares (96) has the first spring (95), described cylindrical portion (91) It is provided with the opening that set square (96) can be made to pass；

Also including pedal (10), the second spring (11), L-shaped drive link (7) and the collar (12), pedal (10) is positioned at flat clamp (8) top, the second spring (11) is positioned at the underface of pedal (10), and one end of the second spring (11) is fixed on pedal (10) Lower section, the other end is fixed on flat clamp (8), and the horizontal segment of L-shaped drive link (7) is positioned at the top of flat clamp (8), and L-shaped passes The vertical section of lever (7) runs through flat clamp (7) and fixing with the collar (12) is connected, and the collar (12) is socketed in insertion tube (9)；

Also including rotating disk (13) and be fixed on the inserted link (14) of rotating disk (13) lower section, rotating disk (13) embeds flat clamp (8), and turns Dish (13) can be freely rotatable, and the bottom of inserted link (14) is fixed with cross bar (15), and described flat clamp (8) is provided with through hole (101) and twice pass this through hole (101) longitudinally through the guide groove (102) of the sidewall of through hole (101), described inserted link (14), And the matching form of the shape of guide groove (102) and cross bar (15) closes.

A kind of reliable and stable construction site handbarrow the most according to claim 3, it is characterised in that: described set square (96) being right angle triangle, a wherein right-angle side of right angle triangle is affixed with upper clamp (93), and another right-angle side arrives The distance of the vertical centrage of cylindrical portion (91) is less than the distance of hypotenuse to the vertical centrage of cylindrical portion (91).

A kind of reliable and stable construction site handbarrow the most according to claim 3, it is characterised in that: the described collar (12) Internal diameter equal with the external diameter of the cylindrical portion of insertion tube (9) (91).

A kind of reliable and stable construction site handbarrow the most according to claim 1, it is characterised in that: described tilting prevention device Including support section and control part, described support section includes that gripper shoe (16), described gripper shoe (16) are hinged on sweep (1) On the upper side parallel with moving of car direction；

Described control part includes power supply, electric magnet (19), dip measuring device (20), iron block (21), comparator and relay Device, dip measuring device (20) and electric magnet (19) power supply, the output termination of dip measuring device (20) are compared by described power supply One of them input of device, another one input one predeterminated voltage signal of termination of comparator, the output termination of comparator One end of relay, the other end ground connection of relay, the normally-closed contact of relay is serially connected in the loop at electric magnet (19) place, Power supply, electric magnet (19), dip measuring device (20), comparator and relay may be contained within sweep (1), described iron block (21) being arranged in gripper shoe (16), when gripper shoe (16) and sweep (1) are affixed, iron block (21) is affixed with electric magnet (19).

A kind of reliable and stable construction site handbarrow the most according to claim 6, it is characterised in that: described gripper shoe (16) it is provided with torsion spring (22) with in the hinged place of sweep (1).

A kind of reliable and stable construction site handbarrow the most according to claim 6, it is characterised in that: described measurement of dip angle Device (20) is obliquity sensor or gyroscope.

9. according to a kind of reliable and stable construction site handbarrow described in any one of claim 6 ~ 8, it is characterised in that: described Gripper shoe (16) is provided with card article (17), and sweep (1) is provided with the hole clipping (18) corresponding with card article (17), when gripper shoe (16) to Under fully open after, in the free end of card article (17) is inserted into hole clipping (18).

A kind of reliable and stable construction site handbarrow the most according to claim 9, it is characterised in that: described card article (17) it is arcuate structure, and the arc length of this arcuate structure accounts for the 1/8 ~ 1/5 of the round girth in this arcuate structure place.