CN105774852A - Anti-tilting trolley fit for slope stopping - Google Patents
Anti-tilting trolley fit for slope stopping Download PDFInfo
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- CN105774852A CN105774852A CN201610346377.1A CN201610346377A CN105774852A CN 105774852 A CN105774852 A CN 105774852A CN 201610346377 A CN201610346377 A CN 201610346377A CN 105774852 A CN105774852 A CN 105774852A
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- sweep
- fixed
- gripper shoe
- cylindrical portion
- trolley
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B1/00—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor
- B62B1/10—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor in which the load is intended to be transferred totally to the wheels
- B62B1/12—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor in which the load is intended to be transferred totally to the wheels involving parts being adjustable, collapsible, attachable, detachable, or convertible
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B1/00—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor
- B62B1/008—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor having a prop or stand for maintaining position
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/04—Braking mechanisms; Locking devices against movement
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
The invention discloses an anti-tilting trolley fit for slope stopping, which comprises a trolley plate, a trolley hopper, a single wheel, a trolley handle, an insertion device and anti-tilting devices, wherein the trolley hopper is located above the trolley plate; the single wheel is fixed under the trolley plate through a wheel plate; the trolley handle is fixed on the trolley plate; the insertion device is fixed on the trolley plate or the trolley handle; the anti-tilting devices are arranged on the two sides of the trolley plate and can be unfolded downward and folded toward the bottom of the trolley plate; the insertion device comprises a connecting rod, a flat pressing plate and an insertion drum arranged under the flat pressing plate; one end of the connecting rod is fixed on the trolley plate or the trolley handle while the other end of the connecting rod is fixed with the flat pressing plate. With such a structure, the anti-tilting trolley can obtain reliable stopping guarantee and can be prevented from being out of control when used for loading and unloading cargos on a slope, can be conveniently restarted on the slope, and can be prevented from tilting in the process of transporting the cargos and can prevent a trolley operator from being hurt.
Description
Technical field
The present invention relates to the realm of building construction, be specifically related to a kind of anti-fall type handbarrow being suitable to slope stop.
Background technology
In construction, reason due to construction environment and landform, generally transloading equipment large-scale, quick cannot use, now, handbarrow becomes means of transport indispensable in building construction process, especially wheel barrow, owing to one wheel of its need contacts to earth, the adaptive capacity of construction landform is higher, therefore it is widely used in a variety of applications.
At present, when stopping wheel barrow, directly handing down, support bar and single wheel will be made as gusseted, make the article in go-cart and go-cart stop.In construction site, especially outdoor building building site, the place that being frequently run onto needs handling goods is not smooth, and it is on a slope, now general processing method is, or car is fixed by operator, another operator carry out the handling of goods；Lower pressure handle hands, support bar is made to be inserted in ground, go-cart is made to 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, does not reach the purpose stopping go-cart, may also result in go-cart and sweep away slope or rollover, cause the generation of accident；If headstock is upwards, then causing that the inclination of car flat board is excessive, center of gravity of goods is unstable, it is easy to landing.Therefore, at present in building construction process, run into needs when the situation of slope position handling goods, it does not have what reliable way, cause that operating efficiency is not high, or even bring potential safety hazard.
Additionally, when the crank of goods in road injustice or go-cart occurs in the process promoting dolly, it is easily caused go-cart, if and this slope trend is dealt with improperly by go-cart operator, most likely result in go-cart to tumble, not only cause the cargoes from scattering in go-cart, suddenly the dolly toppled over is bigger due to the movement range of car, easily go-cart personnel are damaged, especially on construction site, with a varied topography, and the thing of transport is often heavier, therefore, it is badly in need of a kind of safety, the transport dolly that reliability is higher ensures construction safety, successfully carry out.
Summary of the invention
It is an object of the invention to provide a kind of anti-fall type handbarrow being suitable to slope stop, solve current wheel barrow and run into needs when slope position handling goods, operating efficiency is not high, and it is out of control to be easily caused go-cart, the problem bringing potential safety hazard, additionally, there is also the landform that cannot adapt to complexity, cause that go-cart is easily caused in the process transporting goods to tumble, cause cargoes from scattering, or even to the problem that go-cart personnel bring injury.
The present invention for achieving the above object, realizes by the following technical solutions:
A kind of anti-fall type handbarrow being suitable to slope stop, including sweep, wagon box, single wheel and handlebar, wagon box is positioned at the top of sweep, single wheel is fixed on the lower section of sweep by wheel plate, handlebar is fixed on sweep, also includes insertion apparatus and tilting prevention device, and described insertion apparatus is fixed on sweep or handlebar, tilting prevention device is arranged on the both sides of sweep, and tilting prevention device is capable of opening downwards and packing up towards sweep bottom direction.Insertion apparatus can be inserted in earth firmly, is easy to again extract simultaneously, realizes on the slope, on the firm fixing basis of go-cart, being conveniently again started up go-cart；After tilting prevention device is opened downwards, the less side in position can be played a supporting role, thus slowing down this slope trend, and the part tilted is played a supporting role, operator are facilitated when having more, to adjust the position of centre of gravity of dolly, avoid cargoes from scattering, also avoid dolly, after directly tumbling, operator are caused infliction of body simultaneously.
Further, as optimal technical scheme, described insertion apparatus includes connecting rod, flat clamp and is arranged on the insertion tube below flat clamp, and one end of connecting rod is fixed on sweep or handlebar, and the other end and flat clamp are fixed.Insertion tube can easily be inserted in earth, 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 go-cart tilts, or even rollover.
Further, as optimal technical scheme, described insertion tube includes cylindrical portion and conus portion, conus portion is fixed on the bottom of cylindrical portion, cylindrical portion is hollow-core construction, the upper clamp being parallel to each other, lower clamp it is provided with in cylindrical portion, upper clamp is provided with relative draw-in groove with lower clamp, the set square that two pieces of vertical centrages about cylindrical portion are symmetrical it is connected with in draw-in groove, set square can slide along draw-in groove, it is connected to the first spring between two pieces of set squares, described cylindrical portion is provided with the opening making set square pass；
Also including pedal, the second spring, L-shaped drive link and the collar, pedal is positioned at the top of flat clamp, and the second spring is positioned at 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；The horizontal segment of L-shaped drive link 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, and the collar is socketed in insertion tube；
Also include 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, described flat clamp is provided with through hole and the twice guide groove longitudinally through the sidewall of through hole, described inserted link is through 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, has been provided with two set squares that are extended and that pack up in insertion tube, under resting state, under the effect of the collar, set square is forced to be stowed in cylindrical portion, when insertion tube is completely inserted in earth after (flat clamp basic with ground be affixed), and the rotating disk on lower pedal, after cross bar exposes the bottom of flat clamp, rotary turnplate, makes cross bar be hooked by rotating disk, it is to avoid it moves upward under the effect of the second spring；Pedal is in moving downward process, the collar is under the induced effect of L-shaped drive link, move downward equally, set square departs from the compressing of the collar, under the effect of the first spring, two pieces of set squares stretch out cylindrical portion in the opposite direction and are inserted laterally in earth, due in process slotting under insertion tube, two pieces of set squares also do not extend out cylindrical portion, what therefore do not form set square outside cylindrical portion skids off route, now, under the effect of set square, considerably increase resistance when insertion tube is pulled out such that it is able to realize go-cart on the slope reliable fixing；When the complete preparation of handling 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 drive the collar to move upward, in the process that the collar moves upward, gradually set square is oppressed, and force set square to be packed up in cylindrical portion, now, due to the inhibition without set square, 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, and wherein right-angle side and the upper clamp of right angle triangle are affixed, and another right-angle side to the distance of the vertical centrage of cylindrical portion less than the distance of the vertical centrage of hypotenuse to cylindrical portion.
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, and described support section includes gripper shoe, on the described gripper shoe side that to be hinged on sweep parallel with moving of car direction；
Described control part includes power supply, electric magnet, dip measuring device, ferrum block, comparator and relay, dip measuring device and electric magnet are powered by described power supply, one of them input of the output termination comparator of dip measuring device, another one input one predeterminated voltage signal of termination of comparator, one end of the outfan contact relay of comparator, the other end ground connection of relay, 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, described iron block is arranged on the supporting plate, when gripper shoe and sweep are affixed, iron block and electric magnet are affixed.
In this programme, dip measuring device is for measuring the inclination angle of sweep in real time, and when sweep is in level, electric 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 export voltage corresponding to this angle of inclination to comparator, comparator will receive voltage to carry out size with predeterminated voltage signal and compares, when the voltage received is less than predeterminated voltage signal, and comparator output low level, relay no power, normally-closed contact is in closure state, electric magnet live line work, gripper shoe is held；When the voltage received is more than predeterminated voltage signal, comparator output high level, relay power, normally-closed contact is off, electric magnet dead electricity, gripper shoe is lost the absorption affinity of electric magnet and opens downwards, car body is played the effect of support, buffered pitch, it is to avoid whole the tumbling of car body and cause that trammer is damaged greatly by car body action amplitude of variation.In this programme, if the high level of comparator output is not enough so that when relay works, can increase voltage or current amplifier between relay and comparator.nullAdditionally，The voltage signal of dip measuring device output is more big，Illustrate that inclination angle is more big，And the voltage signal preset can be determined as desired，This predeterminated voltage signal is for comparing with the voltage signal of dip measuring device output，Thus judging whether the inclination angle of sweep exceedes warning value，The warning value at such as inclination angle is 30 degree，What then predeterminated voltage signal was corresponding is that dip measuring device measures the voltage signal of output when inclination angle is 30 degree，Then on this basis，The voltage signal that dip measuring device exports every time and this predeterminated voltage signal contrast，Judge whether sweep has been tilted beyond 30 degree，If no，Then it is not switched on gripper shoe，Otherwise，Open gripper shoe，Whole operation can greatly reduce the probability that car body is tumbled，Make dolly more reliable in the process transporting goods，Thus also indirectly trammer being served certain protective effect.After tilting to release, sweep returns to level, and electric magnet is 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, it is achieved packing up of gripper shoe, does not affect the go-cart normal use when not heeling condition.
Further, as optimal technical scheme, in described gripper shoe and the hinged place of sweep, it is provided with torsion spring.Torsion spring can make gripper shoe have the trend opened downwards all the time, and after electric magnet dead electricity, gripper shoe can be opened downwards rapidly, and car body is played a supporting role by the very first time, makes 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.The inclination conditions of sweep, as dip measuring device, can be measured by obliquity sensor and gyroscope in real time, and corresponding output voltage signal, thus providing 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 the hole clipping corresponding with card article, and after gripper shoe fully opens downwards, the free end of card article is inserted in hole clipping.This programme is by arranging card article, can effectively strengthen the support steadiness after gripper shoe is opened, after gripper shoe is opened downwards, card article is taken advantage of a situation and is inserted in hole clipping corresponding on sweep, card article is firmly withstood by hole clipping, meanwhile, under the effect of torsion spring, gripper shoe and sweep is enable to be maintained at the possible angle of support, thus obtaining preferably support effect.
Further, as optimal technical scheme, described card article 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.When the arc length of arcuate structure accounts for the 1/8 ~ 1/5 of the girth of this arcuate structure place circle, namely arc length is less than quadrant, after gripper shoe fully opens, gripper shoe and sweep angulation are more than 90 degree, even if thus occurring that sweep tilts bigger situation, also can guarantee that gripper shoe can be at vertical state or the state to single wheel direction deflection, make gripper shoe have reliable support, steadiness is better.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) present invention is by arranging an insertion apparatus, and insertion tube can easily be inserted in earth, it is achieved go-cart on the slope fixing, and flat clamp is able to ensure that the insertion tube insertion depth below flat clamp is basically identical, make stress balance, it is to avoid go-cart tilts, or even rollover.
(2) present invention is by being designed insertion tube, flat clamp, not only achieves firm fixing in earth of insertion tube, can accomplish when extracting insertion tube easily laborsaving, it is simple to be again started up go-cart simultaneously.
(3) present invention by arranging tilting prevention device on car body, can when sweep be tilted beyond certain angle, realize automatically opening up of tilting prevention device, thus the car body tilted is played good supporting role, slow down the slope trend of car body, it is simple to trammer has sufficient time to adjust, and also avoids car body directly to tumble simultaneously, make the goods on car avoid being scattered, also avoid the car body tumbled, because action is excessive, trammer is caused infliction of body.
(4) present invention is by adopting gripper shoe and controlling the structure that system coordinates, the measurement to sweep angle of inclination is realized by dip measuring device, and judge whether to open gripper shoe by this measured value, thus realizing gripper shoe when tilting of car body is excessive automatically, open rapidly, the car body tilted is played quick supporting role, whole simple to operate, without Non-follow control, even if the people that equilibrium sense is not strong promotes this dolly, same it can be avoided that occur that dolly is tumbled, therefore, what effectively increase go-cart is suitable to crowd.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention；
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 the internal structure schematic diagram that set square stretches out insertion tube during 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 that gripper shoe is in the position relationship structural representation of gripper shoe and sweep during open mode；
Fig. 8 is that gripper shoe is in the position relationship structural representation of gripper shoe and sweep during collapsed state；
Fig. 9 is the annexation structural representation of control part.
The name that in figure, accompanying drawing labelling is corresponding is called: 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, 11, second spring, 12, the collar, 13, rotating disk, 14, inserted link, 15, cross bar, 16, gripper shoe, 17, card article, 18, hole clipping, 19, electric magnet, 20, dip measuring device, 21, ferrum block, 22, torsion spring, 91, cylindrical portion, 92, conus portion, 93, upper clamp, 94, lower clamp, 95, first spring, 96, set square, 101, through hole, 102, guide groove.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment:
As shown in Fig. 1 ~ Fig. 9, a kind of anti-fall type handbarrow being suitable to slope stop described in the present embodiment, including sweep 1, wagon box 2, single wheel 3 and handlebar 6, wagon box 2 is positioned at the top of sweep 1, single wheel 3 is fixed on the lower section of sweep 1 by wheel plate 4, handlebar 6 is fixed on sweep 1, also include insertion apparatus, insertion apparatus is fixed on sweep 1 or handlebar 6, also include insertion apparatus and tilting prevention 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 is capable of 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, one end of connecting rod 5 is fixed on sweep 1 or handlebar 6, the other end is fixed with flat clamp 8, owing to 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, if under delay unloading 6, all can realize the pressure down of insertion tube 9 so that it is insert in earth.
nullThe insertion tube 9 of the present embodiment includes cylindrical portion 91 and conus portion 92，Conus portion 92 is fixed on the bottom of cylindrical portion 91，Cylindrical portion 91 is hollow-core construction，The upper clamp 93 being parallel to each other it is provided with in cylindrical portion 91、Lower clamp 94，Upper clamp 93 is provided with relative draw-in groove with lower clamp 94，The set square 96 that two pieces of vertical centrages about cylindrical portion 91 are symmetrical it is connected with in draw-in groove，Set square 96 can slide along draw-in groove，The first spring 95 it is connected between two pieces of set squares 96，Cylindrical portion 91 is provided with the opening making set square 96 pass，Under the effect of the first spring 95，Two pieces of set squares have the trend moved dorsad all the time，Additionally，In order to prevent set square 96 from departing from upper clamp 93、Lower clamp 94，Can at upper clamp 93、The two ends of lower clamp 94 arrange position limiting structure，Such as the two ends of draw-in groove are blocked，Make set square 96 cannot fully slide out draw-in groove.
The present embodiment also includes pedal the 10, second spring 11, L-shaped drive link 7 and the collar 12, pedal 10 is positioned at the top of flat clamp 8, 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, and the other 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 runs through flat clamp 7 and fixing with the collar 12 is connected, and the collar 12 is socketed in insertion tube 9, it is preferred that the internal diameter of the collar 12 is equal with the external diameter of the cylindrical portion 91 of insertion tube 9.Additionally, in order to coordinate the collar 12, the set square 96 of the present embodiment is preferably right angle triangle, a wherein right-angle side of right angle triangle is affixed with upper clamp 93, and another right-angle side to the distance of the vertical centrage of cylindrical portion 91 less than the distance of the vertical centrage of hypotenuse to cylindrical portion 91, that is, the vertical straight arm of angle of set square 96 is 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, set square 96 can release the collar 12 constraint effect to it, under the effect of the first spring 95, set square 96 stretches out cylindrical portion, play the effect of the pull-out resistance increasing insertion tube 9, otherwise, when the collar 12 moves upward, set square 96 is forced inwardly to be packed up, reduce the pull-out resistance of insertion tube 9, it is easy to start go-cart.Additionally, Design of length by the vertical section to L-shaped drive link 7, can make the collar 12 in the process of moving upward, guarantee upper limit position that the collar 12 the moves upper end without departing from set square 96, thus avoiding the occurrence of the situation that the collar 12 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, rotating disk 13 embeds flat clamp 8, and rotating disk 13 can be freely rotatable, the bottom of inserted link 14 is fixed with cross bar 15, flat clamp 8 is provided with through hole 101 and the twice guide groove 102 longitudinally through the sidewall of through hole 101, inserted link 14 is through this through hole 101, and the matching form of the shape of guide groove 102 and cross bar 15 closes.
The tilting prevention device of the present embodiment includes support section and control part, and support section includes gripper shoe 16, and described gripper shoe 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, dip measuring device 20 and electric magnet 19 are powered by described power supply, one of them input of the output termination comparator of dip measuring device 20, another one input one predeterminated voltage signal of termination of comparator, one end of the outfan contact relay of comparator, 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 is arranged in gripper shoe 16, when gripper shoe 16 and sweep 1 are affixed, iron block 21 and electric magnet 19 are affixed.
nullIt is illustrated in figure 9 the annexation figure of control part，The inclination angle of sweep is measured by dip measuring device in real time，And corresponding output voltage signal is to one of them input of comparator，Another input one predeterminated voltage U of termination of comparator，The size of this predeterminated voltage U is determined by inclination angle warning value，Such as，The allowable angle of inclination allowing sweep is 30 degree (namely during sweep inclination 30 degree，Tilting prevention device is not switched on)，Then measure when inclination angle is 30 degree the voltage swing of output with dip measuring device equal for the size of predeterminated voltage，The magnitude of voltage that dip measuring device exports every time all compares with predeterminated voltage U，If lower than predeterminated 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，Gripper shoe is in collapsed state；Once the magnitude of voltage exported when dip measuring device more than predeterminated voltage U, namely the inclination angle of sweep exceedes warning value, then comparator output high level, relay K A is energized, its normally-closed contact KA1 is off, electric magnet dead electricity, and gripper shoe loses the absorption affinity of electric magnet, naturally opening under the effect of self gravitation, car body is supported by the gripper shoe under open mode；After sweep is in level, manual-up can packing 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, in the gripper shoe 16 of the present embodiment and the hinged place of sweep 1, 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, and after gripper shoe 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 1/8 ~ 1/5 of the round girth in this arcuate structure place.
The present embodiment adopts 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 being inserted in earth as the support bar stopping the strong point, owing in go-cart, the center of gravity of goods might not just in the center of go-cart, therefore, during the deviation of this center of gravity of goods, causing that support bar inserts the degree of depth difference of earth, the state finally presented is that go-cart tilts, or even rollover.For this, the mode that the face that the present embodiment employing flat clamp is affixed with ground contacts is to replace the mode that traditional point is puted forth effort, avoid the occurrence of the situation of go-cart both sides unbalance stress, under the effect of flat clamp, ensure that the stress equalization of whole focusing surface, car body will not the run-off the straight because of the problem of the strong point, thus significantly reducing the probability of go-cart run-off the straight, rollover.
Two, solve go-cart to stop built on the sand, the problem that go-cart is again started up effort.Traditional go-cart adopts support bar as 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, being generally adopted the mode being directly pressed in earth by support bar makes 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 energetically, and when extracting support bar, owing to inserting deeply and go-cart has weight, need again could be extracted by support bar energetically, thus causing that whole process causes high effort for；On the other hand, owing to the lower end of support bar is exactly a common cylinder, the grasping force of earth is limited, when go-cart on the slope time, support bar is difficult to play good fixation, be finally easily caused go-cart automatically glide, out of control, and then cause goods to be tumbled, or 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 in earth, push down on the pedal and make set square stretch out cylindrical portion, it is inserted in earth, thus enhancing the insertion tube grasping force to earth, and when insertion tube is extracted by needs, by naturally unclamping pedal, set square is made to take under the effect of the collar in cylindrical portion, reduce the grasping force of insertion tube, the relatively conventional operation of whole process, easily laborsaving, it is easy to start go-cart, and without significantly lifting handlebar, avoid the cargoes from scattering caused in go-cart.
Three, go-cart is solved when Uneven road or center of gravity of goods shakiness, it is easy to cause that go-cart is tumbled, cause cargoes from scattering or even the problem that trammer is injured.Traditional go-cart balance in running leans on trammer to come control substantially, in the process of go-cart, careless slightly, it is easy to cause tilting of car body, along with the continuous aggravation of magnitude of inclination, ultimately results in go-cart uncontrollable and thoroughly tumble.For this, embodiment adds tilting prevention device, this device can when sweep be tilted beyond certain angle, realize automatically opening up of tilting prevention device, thus the car body tilted is played good supporting role, slow down the slope trend of car body, it is easy to trammer have sufficient time to adjust, also avoid car body directly to tumble simultaneously, the goods on car is made to avoid being scattered, also avoid the car body tumbled, because action is excessive, trammer is caused infliction of body, even if the people that equilibrium sense is not strong promotes this dolly, same it can be avoided that occur that dolly is tumbled, therefore, what effectively increase go-cart is suitable to crowd.
The above, be only presently preferred embodiments of the present invention, and the present invention not does any pro forma restriction, every above example is made according to the technical spirit of the present invention any simple modification, equivalent variations, each fall within protection scope of the present invention.
Claims (10)
1. one kind is suitable to the anti-fall type handbarrow that slope is stopped, including sweep (1), wagon box (2), single wheel (3) and handlebar (6), wagon box (2) is positioned at the top of sweep (1), single wheel (3) is fixed on the lower section of sweep (1) by wheel plate (4), handlebar (6) is fixed on sweep (1), it is characterized in that: also include insertion apparatus and tilting prevention device, described insertion apparatus is fixed on sweep (1) or handlebar (6), tilting prevention device is arranged on the both sides of sweep (1), and tilting prevention device is capable of opening downwards and packing up towards sweep (1) bottom direction.
2. a kind of anti-fall type handbarrow being suitable to slope stop according to claim 1, it is characterized in that: described insertion apparatus includes connecting rod (5), flat clamp (8) and is arranged on the insertion tube (9) of flat clamp (8) lower section, one end of connecting rod (5) is fixed on sweep (1) or handlebar (6), and the other end is fixed with flat clamp (8).
3. a kind of anti-fall type handbarrow being suitable to slope stop according to claim 2, it is characterized in that: described insertion tube (9) includes cylindrical portion (91) and conus portion (92), conus portion (92) is fixed on the bottom of cylindrical portion (91), cylindrical portion (91) is hollow-core construction, the upper clamp (93) being parallel to each other it is provided with in cylindrical portion (91), lower clamp (94), upper clamp (93) is provided with relative draw-in groove with lower clamp (94), the set square (96) that two pieces of vertical centrages about cylindrical portion (91) are symmetrical it is connected with in draw-in groove, set square (96) can slide along draw-in groove, it is connected to the first spring (95) between two pieces of set squares (96), described cylindrical portion (91) is provided with the opening making set square (96) pass；
Also include pedal (10), the second spring (11), L-shaped drive link (7) and the collar (12), pedal (10) is positioned at the top of flat clamp (8), second spring (11) is positioned at the underface of pedal (10), and second one end of spring (11) be fixed on the lower section of pedal (10), the other 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) runs through flat clamp (7) and fixing with the collar (12) is connected, and the collar (12) is socketed in insertion tube (9)；
Also include 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 rotating disk (13) can be freely rotatable, the bottom of inserted link (14) is fixed with cross bar (15), described flat clamp (8) is provided with through hole (101) and the twice guide groove (102) longitudinally through the sidewall of through hole (101), described inserted link (14) is through this through hole (101), and the matching form of the shape of guide groove (102) and cross bar (15) closes.
4. a kind of anti-fall type handbarrow being suitable to slope stop according to claim 3, it is characterized in that: described set square (96) is right angle triangle, wherein right-angle side and the upper clamp (93) of right angle triangle are affixed, and another right-angle side to the distance of the vertical centrage of cylindrical portion (91) less than the distance of the vertical centrage of hypotenuse to cylindrical portion (91).
5. a kind of anti-fall type handbarrow being suitable to slope stop according to claim 3, it is characterised in that: the internal diameter of the described collar (12) is equal with the external diameter of the cylindrical portion of insertion tube (9) (91).
6. a kind of anti-fall type handbarrow being suitable to slope stop according to claim 1, it is characterized in that: described tilting prevention device includes support section and control part, described support section includes gripper shoe (16), and described gripper shoe (16) is hinged on the upper side parallel with moving of car direction of sweep (1)；
nullDescribed control part includes power supply、Electric magnet (19)、Dip measuring device (20)、Iron block (21)、Comparator and relay，Dip measuring device (20) and electric magnet (19) are powered by described power supply，One of them input of the output termination comparator of dip measuring device (20)，Another one input one predeterminated voltage signal of termination of comparator，One end of the outfan contact relay of comparator，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) is arranged in gripper shoe (16)，When gripper shoe (16) and sweep (1) are affixed，Iron block (21) and electric magnet (19) are affixed.
7. a kind of anti-fall type handbarrow being suitable to slope stop according to claim 6, it is characterised in that: it is provided with torsion spring (22) in described gripper shoe (16) and the hinged place of sweep (1).
8. a kind of anti-fall type handbarrow being suitable to slope stop according to claim 6, it is characterised in that: described dip measuring device (20) is obliquity sensor or gyroscope.
9. a kind of anti-fall type handbarrow being suitable to slope stop according to any one of claim 6 ~ 8, it is characterized in that: described gripper shoe (16) is provided with card article (17), sweep (1) is provided with the hole clipping (18) corresponding with card article (17), after gripper shoe (16) fully opens downwards, the free end of card article (17) is inserted in hole clipping (18).
10. a kind of anti-fall type handbarrow being suitable to slope stop according to claim 9, it is characterised in that: described card article (17) 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.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610346377.1A CN105774852B (en) | 2016-05-24 | 2016-05-24 | A kind of anti-fall type trolley stopped suitable for slope |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610346377.1A CN105774852B (en) | 2016-05-24 | 2016-05-24 | A kind of anti-fall type trolley stopped suitable for slope |
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| CN105774852A true CN105774852A (en) | 2016-07-20 |
| CN105774852B CN105774852B (en) | 2017-10-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106240606A (en) * | 2016-08-18 | 2016-12-21 | 陈泳东 | A kind of combination type utility cart |
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|---|---|
| CN105774852B (en) | 2017-10-13 |
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